Huawei H13-624_V5.0-ENU Questions - Boost Your Exam Preparation

Huawei H13-624_V5.0-ENU Questions – Boost Your Exam Preparation

Jonnie Karnath2023-03-18T10:27:02+00:00

If you want to boost your exam preparation and increase your chances of success, Certspots Huawei H13-624_V5.0-ENU questions are an excellent resource for anyone looking to pass the HCIP-Storage V5.0 exam. The H13-624_V5.0-ENU exam questions are updated regularly to ensure that they reflect the most current trends and technologies in the industry, and to keep up with any changes to the exam format or content. By practicing with Certspots Huawei H13-624_V5.0-ENU questions, candidates can evaluate their knowledge and skills, identify areas where they need to improve, and develop strategies for answering exam questions quickly and accurately. This will not only reduce their chances of failure but will also help them perform better on the actual exam.

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1. Which item is wrong about the description of the Huawei Oceanstor v3 smartcache pool?

Each engine in the storage system corresponds to a smartcache pool

On smartcache, the system generates a default smartcache partition on each engine by default

Responsible for providing fine-grained (4kb-128kb) ssd cache resources for business

Responsible for managing ssd disks, providing coarse-grained ssd resource allocation and recycling for smartcache partitions

2. Which automatic load balancing method is supported by default by Huawei OceanStor 9000 InfoEqualizer?

Number of connections by node

round robin

Throughput by Node

Combined load by node

3. The smartqos feature of Huawei Oceanstor v3 can allocate key resources of the storage system to meet the specific performance requirements of certain applications, thereby ensuring the service quality of different services. What functions are mainly provided? (Multiple choice)

Allocate system resources according to priority to ensure the service quality of high priority business

Perform performance guarantee on the shutdown business to ensure that it reaches the specified performance target

Awaken the flow limit for non-key businesses to prevent them from excessively occupying system resources

Execute control and protection of key system resources to ensure high reliability of the system

4. Huawei Oceanstor 9000 needs to apply for some temporary IP addresses for the back-end business network during the software installation process. Regarding the description of these temporary IP addresses, which are correct? (Multiple choice)

If the cluster has 6 nodes, you need to apply for 6 IP addresses

Need to specify which node uses which IP address

After the software installation is complete, these addresses will be automatically deleted

It doesn’t matter if the IP address of these temporarily planned back-end storage networks overlaps with the IP address of the back-end storage network actually planned by the node

5. When a hard disk failure occurs in the Huawei hybrid flash memory storage system, the system will take the hard disk offline, and the hard disk online diagnosis module will read the () information of the hard disk, and perform a series of analysis, testing, and recovery measures on the faulty disk, and will restore the normal hard disk is reconnected to the RAID, which prolongs the life cycle of the hard disk.

6. Which of the following storage nodes will configure an SSD as a read cache by default? (Multiple choice)

P12

P25

C36

C72

7. PCIe protocol components include: (Multiple choice)

Session layer

Data exchange layer

Physical layer

8. Which of the following are typical application scenarios of Huawei's active-active disaster recovery solution? (Multiple choice)

Oracle RAC application

SQL Server application

DB2 application

FusionSphere application

9. In a large and medium-sized database application, files such as data, logs, and modification records are stored in associated LUN1, LUN2, and LUN3, and remote copy tasks 1, 2, and 3 are created respectively, and the engineer remotely copies these three tasks are added to the consistency group. In this case, which of the following statements are correct? (Multiple choice)

If remote replication task 2 fails during data synchronization, the consistency group will immediately stop remote replication tasks 1 and 3

These three sets of remote replications can only be added to the consistency group in the primary storage system, and all remote replication slave LUNs must be located in the same remote storage system

If the remote replication task 2 fails during the data synchronization process, the consistency group will continue to complete the remote replication tasks 1 and 3, and continue the data synchronization of the remote replication task 2 after the fault is rectified.

When a disaster occurs, use the secondary storage system to restore data, and the data in the database is still valid

10. In the active/standby disaster recovery solution, the applications that can be protected by RD include: (Multiple choice)

Oracle

VMware

FusionSphere

SQL Server

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11. In the deployment and implementation of the storage solution, which of the following steps need to be performed? (Multiple choice)

Check and confirm the basic environment

Storage network configuration

Hardware installation

Storage function configuration commissioning

12. Which load balancing method does the InfoEqualize feature of Huawei OceanStor 9000 not support?

CPU usage

User Groups

Number of Node Connections

Node Throughput

13. Which of the following extended statement about storage is correct? (Multiple choice)

Scale-Out technology can increase storage performance and capacity

Scale-Up technology needs to increase storage capacity to increase storage capacity

Scale-Out device nodes can be in the same domain

Scale-UP technology is horizontal expansion, and Scale-Out technology is vertical expansion

14. The smart acc acceleration compression card module does not support hot swap.

TRUE

FALSE

15. The big data service classification scheme is adopted to store cold and hot data in different grades. Hot data is stored in SSD high-performance media to ensure business performance, and cold data is stored in SATA ordinary performance media to reduce costs and meet business needs.

TRUE

FALSE

16. ① Scale-out horizontal expansion can improve capacity and performance at the same time

② Scale-up, horizontal expansion cannot improve capacity and performance at the same time. (Multiple choice)

Description 1 is correct

Describe 2 errors

Describe 1 error

Description 2 is correct

17. In the Huawei Oceanstor 9000 system, which client type is not supported by NFS sharing?

Host name

IP address

Network group

AD domain

18. Which of the following descriptions about InfoRevive is correct?

The InfoRevive feature provided by OceanStor 9000 supports the continuity of video surveillance services without affecting the continuity of video surveillance services when the faulty node/disk exceeds the upper limit of redundancy.

After the read fault tolerance mode is turned on, when a fault occurs in the system and exceeds the configured redundancy upper limit, all damaged video file data can be rescued and read out.

After the read and write fault tolerance mode is enabled, when a fault occurs in the system and exceeds the configured redundancy limit, a certain proportion of damaged video file data can be rescued and read, and the file can continue to be written.

In addition to being applied to video surveillance scenarios, the InfoRevive feature can also be applied to other media industries such as TV stations.

19. Which of the following designs has Huawei distributed storage improved the reliability of the system? (Multiple choice)

Automatic fault detection and automatic data recovery

N+M data protection

Metadata mirroring

Data scrubbing

20. Which of the following commands belongs to the WARNING type of Huawei storage?

import license

clear configuration_data

power off disk

reboot system

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21. Which of the following options is incorrect for the metadata description of Huawei Oceanstor 9000 storage system?

Oceanstor 9000 metadata is stored in a mirrored manner

Metadata on each node is a complete, independent copy

The purpose of mirror storage is to improve the security of metadata

The use of mirroring does not provide the system with access to metadata

22. In the synchronous remote replication of Huawei hybrid flash storage, the primary LU and secondary LUN can be in the same array.

TRUE

FALSE

23. Which of the following features cannot improve the performance of Huawei's hybrid flash storage products?

Smart Partition

SmartCache

SmartVirtualization

SmartTier

24. The control information flow and service data flow between the engines of Huawei 18000 v3 series products are transmitted through which of the following components?

svp

kvm

pcie switch

10ge switch

25. In the Oceanstor 9000 system, if a node is offline for 2 days due to a power module failure and then returns to normal again, if the administrator does not manually restore the data to the node, the system will automatically restore the data that has changed during the offline time. Update to the recovered node.

TRUE

FALSE

26. Which of the following options belong to the collection items for storing fault environment information? (Multiple choice)

Device serial number and version information

Fault symptoms and operation information before and after the fault

Store alarm and log information

Host OS version

27. During the processing of Huawei's distributed block service IO stack, the block service of the EDS node writes the data into the cache for the write request. The read request is first hit in the Index, and if it does not hit, it is read from the cache.

TRUE

FALSE

28. Huawei UltaPath provides a variety of load balancing algorithms, which will calculate the overall load data volume based on the block size of each io request, and then perform load balancing algorithm which of the following algorithms?

round-robin

least-into

least-block

29. Regarding SmartMigration LUN information exchange, which of the following descriptions is correct? (Multiple choice)

The LUN information exchange needs to stop the service.

After the LUN information is exchanged, the host will send a data read and write request to the LUN ID of the target LU

Before and after LUN information exchange, the data volume ID of the source LUN will change.

Before and after LUN information exchange, the LUN ID of the source LUN remains unchanged.

30. In the Huawei HyerMetro active-active solution, when the active-active data center link fails, it will enter the "to-be-synchronized state". In order to quickly restore the business, you can choose to forcibly start the local storage system or the remote storage system to continue to provide the host with service, at this time the HyperMetro business status will enter "Normal".

TRUE

FALSE

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31. An enterprise uses all-flash memory to support its business. In order to reduce the pressure brought by duplicate data, the system can deduplicate data online. The granularity of deduplicated data blocks is the size of ___________

32. In the storage pool of the local storage system, the external LUN mapped through SmartVirtualization will be created as a raw storage logical volume according to the virtualized data organization form. The raw storage logical volume created in this way is called ()

33. The controller enclosure and hard disk enclosure of Huawei's hybrid flash memory storage system are interconnected using mini SAS interfaces, and the maximum transmission rate can reach 8GB/s.

TRUE

FALSE

34. In Huawei OceanStor 9000, which of the following is not an authentication method supported by NFS sharing?

NIS authentication

LDAP authentication

Client IP address/hostname authentication

Local user authentication

35. In Huawei's active-active disaster recovery solution, which of the following are necessary components? (Multiple choice)

HyperMirror

Quorum server

UltraPath

HyperMetro

36. In the Huawei Oceanstor v3 worn file system, the file signature mainly verifies the integrity of the file, but when the file is migrated, the fingerprint information cannot be migrated along with the file, and the fingerprint information needs to be calculated after the file migration is completed.

TRUE

FALSE

37. During the installation of Commserver, if cS and Agent are in the same network segment, there is no need to configure the host file.

TRUE

FALSE

38. Which of the following is not a function of Oceanstor cloud service?

Automatic troubleshooting

Automatically check storage health status

The fault information is transmitted to the cloud server in real time

Discover device alarms at all times

39. In the HyperMetro active-active data center solution, if a member LUN of an array has bad blocks, which of the following statements is incorrect?

When repairing bad blocks, first apply for the read permission and confirm the local read permission of the HyperMetro Pair.

When reading the local LUN of the array, after reading the bad block, if it is an error that cannot be repaired, it will return the host read error information.

When reading the local LUN of the array, after reading the bad block, if it is an error that can be repaired, the read data will be returned to the host to ensure that the host responds quickly.

When reading the local LUN of the array, after reading the bad block, if the error cannot be repaired, the system will repair it according to the data of the remote array LU

40. When planning and designing a storage project, what are the following basic stages? (Multiple choice)

Outline Design Phase

Conceptual Design Phase

Research phase

Physical Design Phase

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41. In the OceanStorV3 storage system, when the data state of the slave LUN is in which state, remote replication supports the user to perform master-slave switching operations? (Multiple choice)

Consistent

Synchronized

Initial synchronization

Synchronizing

42. Synchronous remote replication can be used for intra-city business disaster recovery, and FC links are recommended. Asynchronous remote replication can be used for remote disaster recovery. In order to reduce costs, IP links are recommended.

TRUE

FALSE

43. Which one is correct about the Oceanstor v3 storage system prefetch strategy?

Intelligent prefetching is suitable for reading applications with a single data stream, or when it is impossible to determine whether the reading application is sequential

Variable prefetch is suitable for sequential read applications with fixed size, such as multi-user streaming media on demand, users use the same code stream

Fixed prefetching is suitable for database applications

Not applicable to multi-user multimedia on demand

44. The metadata in Oceanstor 9000 object storage implements redundancy between nodes through mirroring, and each copy is an independent and complete copy, so as to improve the security of metadata and the performance of parallel metadata

TRUE

FALSE

45. Which of the following descriptions about the C72 node management interface is correct? (Multiple choice)

There are only C72 nodes in the 0ceanStor 9000 cluster, and the number of C72 nodes is greater than or equal to 3. The NICo of the A control module of the first 3 nodes provides the management interface.

When C72 nodes and non-C72 nodes are deployed together, C72 nodes can be selected to provide independent management network ports.

When C72 nodes and non-C72 nodes are mixed and deployed and the object storage service is applied, the object storage management node must be deployed on a node that provides an independent management network port.

When deploying a storage cluster, you need to configure an IP address for the NIC0 interface on the interface board of the c72 node in the cluster

46. Through Huawei OceanStor 9000 Device Manager, we can view the real-time OPS performance indicators of the system.

True

False

47. Huawei HypeMetro dual-active disaster recovery supports heterogeneous storage, so one OceanStor V3 storage and a Huawei-certified third-party storage can be used to form active-active through HypeMetro.

TRUE

FALSE

48. C72 is "a high-capacity archiving node device with a height of 4U, but it can also be fully equipped with 272 SAS disks to adapt to some scenarios with relatively high performance and capacity requirements.

TRUE

FALSE

49. HyperCDP can generate more and denser recovery points for the data on the storage device, and the HyperCDP copy is the full copy backup of the source data at a certain point in time.

TRUE

FALSE

50. In the Huawei OceanStor backup solution, if the retention time and retention cycle of the configured backup data are 13 days and 2 respectively, and the actual backup cycle is 3 days, how many days are the data retained?

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51. Need to collect customer’s application data after failure occurs

TRUE

FALSE

52. In the era of big data, one should also have big data thinking. Which of the following statements is incorrect?

In the era of big data, data processing and analysis no longer depend on random samples

In the era of big data, one should be keen on pursuing the accuracy of data

In the era of big data, the processing and analysis of big data tends to predict what will happen

53. Which statement is incorrect about Huawei Oceanstor v3 converged storage system?

The san engine and the file engine have independent architectures

Support san and nas at the same time through parallel dual stack

Use the same storage pool technology

The file system can realize data deduplication and compression function

54. Which of the following is not a storage device hardware failure? (Multiple choice)

bbu failure

license failure

Hard disk failure

raid failure

55. In the file system, which scenarios will modify the metadata? (Multiple choice)

Delete files (including soft links) or directories

Modify properties

Rename

Create files (including soft links) or directories

56. Which of the following is not a high-performance technology of hypermetro?

Zero data copy

fastwrite

Cache bubbles

Geo-optimized access

57. Operation and maintenance is essentially the operation and maintenance of all stages of the life cycle of networks, servers, and services.

TRUE

FALSE

58. Which of the following is not included in the characteristics of the InfiniBand protocol?

High speed

Remote Direct Memory Access Function

Development based on standard protocols

Transport offload, which can transfer packet routing from the chip level to the os

59. Small business A has purchased Huawei’s hyper-converged storage to build the company’s information platform. Which of the following switching modules does the hardware platform FusionsServer E9000 support? (Multiple choice)

10GE

FCoE

60. The types of deduplication supported by Huawei’s OceanStor integrated backup solution are: (Multiple choice)

Source-side deduplication

Target-side deduplication

Global deduplication

Parallel deduplication

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61. OceanStor9000 Wushan distributed file system supports online node expansion, linear increase in storage capacity and computing power, and finally provides users with linearly increasing bandwidth and concurrent numbers

True

False

62. What information needs to be collected before deploying a disaster recovery solution? (Multiple choice)

Production system equipment information

Network information

Business system

data volume

63. iDataAgent

Which of the following descriptions about the order of upgrading components is correct?

1-->2-->3

1-->3-->2

2-->1-->3

3-->1-->2

64. In the Huawei Oceanstor v3 system, after the file system snapshot is successfully created, if the file system user wants to access the snapshot, they need to re-mount it in the snapshot directory to access it.

TRUE

FALSE

65. Which of the following descriptions about the hardware features of OceansStor9000 is wrong?

P25 is a high-performance storage node device with a height of 2

It is used in OPS-intensive application scenarios. It has 25 front service hard disk slots and two rear 2.5-inch operating system hard disk slots.

All types of storage nodes support inserting an SSD in slot 0 as a read cache to improve system read performance.

When an IB switch is used in the OceanStor 9000 network, the server is equipped with a 2-port IB network card, which provides two 40GE QSPP+ Ethernet optical ports for connecting to the IB switch.

C72 is a high-capacity archiving node device with a height of 4

It is used in large-capacity application scenarios. It has 72 business hard disk slots and 4 operating system hard disk slots.

66. The key technologies of OceanStor 9000 to improve the performance of object storage applications include: (Multiple choice)

Concurrent access

SMB3 multi-channel

High-speed Internet

SSD acceleration

67. Which of the following statements about the characteristics of Huawei HyperVault is correct? (Multiple choice)

Support second-level generation of local backup snapshots to obtain consistent data copies

Support custom backup policy and copy threshold

Support both block storage and file system

When backing up in different places, only the initial full backup is performed, and only the incremental data is backed up subsequently

68. The backup situation of an enterprise application is that a full backup of all files and directories was performed on February 1 (Feb 1), February 2 (Feb 2), February 3 (Feb 3), and February 4 (Feb 4) A cumulative incremental backup was carried out. The business disk failed on February 5. Now it is necessary to restore to the version on February 4. What backup files are needed?

Feb 1+Feb 2

Feb 1+Feb 2+Feb 3+Feb 4

Feb 1+Feb 4

Feb l+Feb 3

69. In a city, if the Municipal Public Security Bureau needs to regularly archive the video surveillance within the jurisdiction of each police station, in such an application scenario, if the solution provided by Oceanstor 9000VIRC30 is used, which node type should the customer recommend?

P12 node

P24 node

P36 node

P72 node

C36 node

70. What are the advantages of Huawei's scale-out file storage over traditional NAS storage systems? (Multiple choice)

The failover is fast, and the failure of a single node in the cluster does not affect the business

Multi-node cluster, load balancing, global cache, providing strong performance

The engine cluster is connected to SAN storage, and SAN storage can use heterogeneous storage

Scale-out engine architecture is scalable

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71. The RPO of the disaster recovery feature of a storage product is 30 minutes, and the RTO is 15 minutes. Which of the following statements is correct? (Multiple choice)

When the storage system fails, there may be a 30-minute difference in data time between the production end and the disaster recovery end.

When the storage system fails, the data time point of the production end and the disaster recovery end may differ by 45 minutes.

The time from business suspension to business recovery may be 15 minutes.

The time from business suspension to business recovery may be 45 minutes.

72. Which of the following protocols uses the SHA-256 algorithm?

FTP2.0

SMB2.0

NFS3.0

NFS4.0

73. Which of the following statements about Oceanstor 9000 intelligent load balancing is correct? (Multiple choice)

Automatic load balancing between all nodes

Automatically balance capacity and performance

No human intervention required

Transparent to the application

74. Which of the following statements about the SmartQuota feature of Huawei OceanStor all-flash storage is correct? (Multiple choice)

The Dtree directory additionally records resource usage and quota limit metadata information

Support resource management and control on the Dtree directory

Update resource usage and check quota during I/O

When creating a quota for an object, at least one of the four capacity soft quotas, capacity hard quotas, file soft quotas, and file hard quotas needs to be configured

75. The object service provides multi-tenant management capabilities, which can physically isolate data between different tenants and facilitate resource division.

TRUE

FALSE

76. There are two kinds of services in the storage system of an Internet company: sequential service A and random service B. These two services often compete for cache resources in the process of reading and writing. Which of the following features can solve this problem?

SmartThin

SmartVirtualization

Smart Partition

SmartTier

77. Internet company A uses Huawei's hyper-converged infrastructure to build the company's information platform, which greatly facilitates operation and maintenance management. Which of the following options reflect this characteristic? (Multiple choice)

Hardware, software, and resource management

One-click operation and maintenance

Factory pre-integrated

High performance of single node

78. Which of the following statements about Oceanstor v3 storage system restoration and reconstruction is incorrect?

The priority data can be quickly restored, and the data that has not been updated does not require skin care

To complete recovery reconstruction, data difference log information is required

Restoration and reconstruction are used when the disk cannot be used normally and the raid group is in a degraded state

The in-place disk suddenly fails, and recovery and reconstruction will be performed at this time

79. To use smartmigration to completely migrate the business on the source lun to the target lun, which of the following conditions need to be met? (Multiple choice)

The target lun must be greater than or equal to the source lun

The ownership controllers of the source lun and target lun must be the same

The target lun cannot be mapped to the host

The target lun cannot have other value-added services

80. Which of the following statements about data global deduplication is incorrect?

Multiple deduplicated copies with different storage strategies use the same DD

Multiple deduplication copies with different storage strategies use the same disk library and deduplication attributes.

Multiple deduplication copies with different storage strategies use the same deduplication pool as the backup target.

The backup data retention periods of multiple different storage strategies need to be the same

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81. When maintaining the Huawei Oceanstor 9000 system, it is recommended that the system administrator check the account routinely. The content of the check includes: (Multiple choice)

Routinely check and audit the login and operation logs of various accounts

Routinely check whether the permissions of various accounts are reasonable

Routine checks that temporary accounts have been deleted

82. On the storage device, through which of the following configurations can the alarm information be saved to the designated FIP server?

Alert Dump

Email Notification

Configure Syslog notification

Configure SNMP

83. The external interfaces supported by HDFS Plugin include: (Multiple choice)

Shell1

C API

HTTP REST API

Java API

84. For OLTP database and Exchange applications, the recommended hard disk types are (Multiple choice)

SSD hard disk

SATA hard disk

NL-SAS hard disk

SAS hard disk

85. For the QoS feature of object services, different buckets can be configured for applications with different priorities, and the TPS and bandwidth resource allocation of buckets can be controlled through QoS; different QoS policies can be configured for VIP tenants and ordinary tenants in the same system. To ensure the service quality of high-priority tenants.

TRUE

FALSE

86. The () system refers to the establishment of multiple sets of T systems with the same functions in remote places far apart, which can perform health status monitoring and function switching between each other.

87. Which of the following options belong to the use conditions of hyperclone? (Multiple choice)

The size of the master lun and the slave lun need to be the same

The master lun and slave lun controllers need to be consistent

The primary lun and secondary lun can be in different storage systems

The master lun and the slave lun are in the same storage system

88. When it is necessary to uninstall the Huawei UltraPath host multipath software, which of the following operations is correct?

Immediately execute the UltraPath unloading command after stopping the reading and writing of host services

In the iscsi business environment, first delete the disk mapping on the host, then disconnect all connections of the host iscsi initiator, and finally execute the UltraPath uninstall command

In the FC business environment, after disconnecting all FC host physical ports, execute the UltraPath uninstall command

89. Which of the following statement about the HyperMetro arbitration server mode is correct? (Multiple choice)

A set of arrays and arbitration fail at the same time, and the surviving arrays continue to run services.

In the quorum server mode, when the heartbeat between storage arrays is interrupted, the arrays at both ends initiate an arbitration request to the quorum server, and the quorum server comprehensively judges which side wins. The party that wins the arbitration continues to provide the service, and the other party stops the service.

The arbitration fails, and the heartbeat link between arrays is interrupted, so the business will not be affected.

In the quorum server mode, if there is a requirement to obtain the quorum first, you can also configure the site priority.

90. The infoEqualizer function of Huawei Oceanstor 9000 (30) is restricted by the license, including the application of dynamic names, static domain names, and partition functions, and supports scheduling loads in a round-robin manner

TRUE

FALSE

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91. Which model of the following Oceanstor v3 storage series products has a 3u controller enclosure?

Oceanstor 5500 v3

Oceanstor 5300 v3

Oceanstor 5600 v3

Oceanstor 6800 v3

92. The remote replication feature is mainly used in disaster recovery and backup scenarios. Which of the following statements about the remote replication feature is correct? (Multiple choice)

In the process of remote replication, if the replication link fails suddenly, the data from L will be unavailable.

The remote replication slave LUN can be mapped to the host in advance, which can save business recovery time when the master L end fails.

The peak bandwidth requirement of asynchronous replication is higher than that of synchronous replication.

If the disaster recovery solution requires RPO=0, it is recommended to use synchronous remote replication.

93. Which of the following options belong to the function of the CMS cluster? (Multiple choice)

Monitoring and management

Log collection

Alarm report

Firmware upgrade

94. In the application scenario of data backup, which of the following items describe the characteristics of the physical tape library? (Multiple choice)

Data can be stored off-site for a long time

Capacity scalability is better than using a disk system

Low backup and restore performance

Low management and maintenance costs

95. An enterprise administrator created a shared folder on the root directory of the file system, and created three different Quota Trees under the root directory for Manager A (Quota Iree 1), Project Department B (Quota Tree 2) and Sales Department C (Quota Tree 3) is used alone.

Which of the following statements is correct?

CPU usage can be limited on Quota Tree

The quotas of the Quota Tree under the root directory must be consistent

Different quotas can be configured for each Quota Tree according to business needs

You can set cache partitions on Quota Tree 2

96. Huawei Oceanstor v3 smartmigration is in the process of data synchronization between the source lun and the target lun. If the target lun fails, it will affect the business continuity of the host using the source lun.

TRUE

FALSE

97. The object/file interoperability feature provided by Huawei's distributed storage is based on the method of superimposing NAS functions on the object storage system. What kind of file sharing access capability is provided on the basis of distributed object services?

HTТP

NFS

CIFS

FТР

98. A company has various businesses such as database applications, OLTP applications, mail service applications, and Web server applications. The SmartCache feature does not significantly improve the performance of which of the following business scenarios?

Mail service read business

Web server log service

Database analysis business

OLTP data query service

99. For all-flash storage RAID2.0, CKG is further divided into _________, which is the smallest granularity used by the volume. Reference answer:

100. In the following RAID levels, if two hard disks in the RAID fail, what are the options for data loss? (Multiple choice)

RAID 6

RAID 3

RAID 0

RAID 5

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101. Backup policy management does not include?

Backup time

Backup network

Backup content

Backup target

102. What type of cable does Huawei Oceanstor v3 system storage use to cascade two storage devices?

FC Cable

SAS Cable

Mini SAS HD Cable

10G Ethernet Cable

103. Which of the following descriptions about the software features of the QceanStor 9000 system is correct? (Multiple choice)

The file system supports up to 40P

Data self-healing, with a maximum recovery speed of 1TB/hour.

Each node exclusively shares the cache of the node.

Support thin provisioning and non-thin provisioning.

104. In a relatively large backup domain, using Simpana backup software, you can set up multiple cs, load sharing, and improve efficiency.

TRUE

FALSE

105. In the Oceanstor 9000 storage system, if you want to perform complete network optimization, you need to check and adjust from two aspects: storage nodes and switches.

TRUE

FALSE

106. A company purchased a set of Huawei scale-out file storage. After the system deployment is completed, the administrator sets the classification according to business needs. To better utilize the advantages of InforTier features, which options are recommended configurations? (Multiple choice)

For data with low access heat, it is recommended to associate the node pool to which the server with slow hard disk response speed but large overall storage capacity belongs to this tier

For data with high access heat, it is recommended to associate the node pool to which the server with strong hard disk processing capability and fast response speed belongs to this classification

It is recommended to configure a classification corresponding to multiple file pool policies

It is recommended that multiple classes use a file pool policy

107. OceanStor9000 supports clients of different protocols to access the same directory or file at the same time. For example, Windows client (CIFS protocol), Linux client (NFS protocol), Mac OS X client (CIFS protocol or NFS protocol)

TRUE

FALSE

108. Can deduplication and compression in Oceanstor 5300 v3 be used at the same time?

can

can't

109. With the advent of the era of big data, storage technology is also undergoing changes. Regarding the changes in storage technology, which of the following is correct? (Multiple choice)

The file system develops from a local system to a cluster file system and a distributed file system

Large-scale expansion capability is a feature of mass storage

Traditional NAS faces PB-level data, and complex volume management leads to uneven capacity distribution

Mass storage is characterized by more complex file systems and more complex management

110. Which of the following statements about Huawei Oceanstor v3 remote replication time slice technology is correct?

Both synchronous and asynchronous remote replication use time slice technology

Use the time slice technology to manage the logical space for writing data within a period of time in the cache. The Oceanstor v3 system has a clear limit on the size of the data written into this space

Using time slice technology, the remote replication cycle can be shortened to the millisecond level

Every time a synchronization cycle is started, the storage system will generate action time slices in the master cache and the slave cache

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111. When using the Huawei OceanStor SmartMigration feature for data migration, when the host issues I/O write request, the data needs to be written to the source lun now, and after the migration is complete, the data is synchronized to the target lun.

TRUE

FALSE

112. When deploying OceanStor 9000 through the deployment tool, the IP address entered in the "IP Address Range" in the "DHCP Configuration" area is only used temporarily during the deployment process. After the deployment is successful, the IP address of each node is changed to the IP address planned in the configuration file

True

False

113. When the amount of backup data is large, it is recommended to use an integrated deployment solution instead of a separate one.

TRUE

FALSE

114. Taking Huawei Ocean stor all-flash memory as an example, which of the following understandings about a certain structure of all-flash storage software are correct? (Multiple choice)

The management function of the storage system can be realized through the management function control software

Able to realize basic data storage and read and write functions through basic function control software

It can support hot and cold data intelligently and can classify data into different storage layers

Able to realize various advanced functions such as backup, disaster recovery and performance tuning through value-added function control software

115. When accessing the Windows client of the Huawei Oceanstor 9000 cluster, what aspects of the client can be adjusted to improve access performance? (Multiple choice)

TCP parameter adjustment

Dirty_bytes parameter adjustment

CIFS read and write size setting

Support Jumbo Frames

116. The distributed storage system of a certain manufacturer has been put into operation for 100 days and runs 24 hours a day. A failure occurred in the morning of the 10th day, and it took 1 hour to recover from the failure. A failure occurred in the morning of the 25th day, and it took 4 hours to recover from the failure. A failure occurred in the morning of the 80th day, and it took 1 hour to recover from the failure. The availability of the software system is?

97.75%

97.25%

99.25%

99.75%

117. Which of the following descriptions about the characteristics of the DME architecture are correct? (Multiple choice)

Can only take over Huawei storage devices

The north-south direction is fully open. The north direction provides RESTful, SNMIP, and ecological plug-ins (such as Ansible, etc.) to connect to the upper system. The south direction SNMP, RESTful and other open interface protocols docking storage

Distributed micro-service architecture, high reliability

Support the management of large-scale storage devices, and a single node can manage 16 storage devices

118. Which of the following options belong to the rules to be followed for FusionStorage software deployment? (Multiple choice)

DSS and OMS are components that must be deployed. Select and deploy FusionStorage block, file, and object services as required.

DSS and OMS are recommended to be deployed to virtual machines on different physical nodes. Three DSSs need to be deployed, and only one OMS needs to be deployed.

FusionStorage block, file, and object storage services are all deployed on their own physical nodes and cannot be mixed.

When FusionStorage File/FusionStorage Object is provided, the first two nodes in the cluster serve as management nodes.

119. A company’s applications and data have high security requirements. During the inspection, it was found that two NL-SAS hard disks were disconnected and data was lost. In order to avoid this situation from happening again, it is necessary to complete the RAID configuration and require the use of hard disks. The rate must be greater than 60%, which of the following are eligible? (Multiple choice)

Use 6+2P hard drives to create RAID6

Use 4+P hard drives to create RIAD5

Use 4+2P hard drives to create RAID6

Use 2+2P hard drives to create RAID6

120. The maintenance and management tools required by the Oceanstor 18000 high-end storage system are installed on the svp, so that users can easily complete a complete set of management, configuration, authentication and other tasks locally or remotely

TRUE

FALSE

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121. ACL can be used to grant permissions, can also be used to prohibit permissions.

TRUE

FALSE

122. When using remote replication technology to implement 3dc application scenarios, which of the following plans will be made? (Multiple choice)

Intra-city Fiber Synchronous Remote Replication

Intra-city Ethernet asynchronous remote replication

Synchronous remote replication with fiber optics in different places

Off-site Ethernet asynchronous remote replication

123. The recommended scenarios for installing iDA in a virtual machine are: (Multiple choice)

The storage is directly attached to the virtual machine

The storage is directly connected to the ESXi host

The virtual machine contains a large database

The virtual machine contains a large number of files

124. InfoReplicator supports splitting pairs, that is, temporarily suspends data synchronization between master and slave directories. If the user wants to restore the data synchronization of the Pair and keep the data in the master and slave directories consistent again, he only needs to manually create a new Pair.

TRUE

FALSE

125. In order to ensure data reliability, an enterprise has established a remote replication pair between the master LUN at site A and the slave LUN at site B. Which of the following statements about the data relationship between the state of the pair and the master-slave LUN is correct? (Multiple choice)

If the link used for remote replication is disconnected or the primary LUN or secondary LUN of remote replication fails, the running status of the pair will be "split".

When the running status of the pair is "Normal", it means that the data synchronization between the primary LUN and the secondary LUN is completed successfully

When the Pair status is "Synchronizing", the slave LUN cannot be read or written at this time

If the engineer manually disconnects the pair relationship between the primary LUN and the secondary LUN, the pair running status is "split" at this time, and the data replication between the primary LUN and the secondary LUN is suspended

126. Which of the following statements about eDevLun in the SmartVirtuAlization feature of Huawei OceanStor all-flash storage is correct? (Multiple choice)

The eDevLUN consists of two parts: the actual data volume and the metadata volume. The correspondence between metadata and actual data is established through the mapping relationship.

eDevLUN refers to the third-party heterogeneous device volume connected to Huawei storage

The application server can access the data on the external LUN through the eDevLUN

The actual physical space occupied by the eDevLUN in the local storage system is the storage space required by the data volume

127. Internet company A uses Huawei's hyper-converged storage to build the company's information platform, which significantly improves the storage space utilization efficiency of the platform. Which of the following options reflect this characteristic? (Multiple choice)

Support deduplication and compression

Support EC

Support active-active

Support asynchronous replication

128. Which of the following features cannot improve the performance of Oceanstor v3 storage products?

smart tier

smart cache

smart partition

smart virtualization

129. Which of the following descriptions about the data backup strategy is correct? (Multiple choice)

Any backup needs a full backup as the base

Differential incremental backup can minimize the use of backup space

Differential incremental backup refers to the backup of differential data between two backups

Synthetic backup has an advantage over incremental backup recovery time in the same scenario

130. A bank's production center and disaster recovery center both use Huawei's hyper-converged storage products, and the two centers perform disaster recovery through asynchronous replication. The copied network type can support GE/10 GE/25 [single choice]

TRUE

FALSE

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131. Which of the following options does not belong to the inspection function of the Oceanstor toolkit?

Provide inspection standards and repair suggestions

Support email sending inspection report

Support business status check before upgrade

Support regular inspection

132. Regarding the description of the data protection function of the Huawei Oceanstor 9000 system, which of the following options is incorrect?

Oceanstor 9000 implements N+M redundant storage of data through ErasureCode

Oceanstor 9000 implements redundant storage of metadata through mirroring

After physical domain division is enabled, a hard disk or node failure in a single domain will cause data reliability degradation or failure in other domains

When the protection level is N+1, the minimum number of nodes required by the cluster is 3

133. The link layer of the IB protocol mainly provides functions such as sequential forwarding and segmentation of information packets.

TRUE

FALSE

134. In the Huawei Oceanstor 9000 software architecture, the distributed object storage layer is based on the distributed file storage layer.

TRUE

FALSE

135. When performing Oceanstor 9000 network optimization, which of the following commands can check whether the network port is connected?

ifconfig

ethtool

Ispci Igrep Ether

136. Which of the following functions does the eService LLDesigner tool contain? (Multiple choice)

Resource Allocation

Automatically recommend the placement of equipment in the cabinet

Generate offline configuration files

Device networking

137. When using the files in the Oceanstor v3 quota, which of the following operations does not need to be checked?

Add files

View read file

Modify the file

Delete files

138. Which of the following types of files is not recommended for the ASCII transfer mode in the FTP protocol?

*.txt

*.bat

*.cfg

*.bin

139. The possible causes of common business failures of Huawei OceanStor 9000 storage system include: (Multiple choice)

File system exception

Protocol exceptions

The connection to the external authentication server is abnormal

Abnormal client settings

140. Network connection is required before the initial configuration of the big data system, and the networking of Huawei Oceanstor9000 is not included.

Front-end business network

Backend storage network

Manage the network

Heartbeat network

Page 15 of 29

141. Which of the following are the types of flash memory particles of SSD hard drives? (Multiple choice)

SLC

MLC

TLC

QLC

142. For an OceanStor 9000 system, the total number of nodes is 10, and the data protection level that can be configured for it can be: (Multiple choice)

RAID1

6+3

6+4

6+5

143. The HyperLock (WORM) feature of Huawei storage allows data to be written only once to a file, and cannot be written repeatedly and is not allowed to be modified, deleted, or renamed.

TRUE

FALSE

144. Which of the following descriptions about the characteristics of IP SAN networks are correct? (Multiple choice)

Theoretically, there is no distance limit

Lower purchase and maintenance costs

Good compatibility with existing IP networks

Compared with FC SAN network, the transmission speed is fast

145. Where is the shared mapping table of HyperSnap stored?

COW Data

Source LUN

Snapshot LUNs

Cow Meta

146. Which of the following descriptions does not belong to the features of OceanStor9000?

OceanStor DFS, a self-developed distributed file system, supports massive unstructured data storage and realizes a global unified namespace.

Provide object storage service, compatible with Amazon S3 interface and OpenStack Swift interface.

It supports Fusion Insight Hadoop/Cloudera Hadoop encapsulated by open-source Hadoop components, allowing users to easily build an enterprise-level big data analysis platform.

Distributed metadata management supports linear expansion of 3~4000 nodes.

147. The system debugging log level is used to identify the severity and importance of a log. eReplication can divide the system debugging log into the following four levels in descending order of severity: error, warning, running, and debugging.

TRUE

FALSE

148. The disaster recovery system can copy business data to a local or remote data center for protection. Not all data damage/loss can be recovered. Which of the following data damages cannot be recovered by the disaster recovery system? (Multiple choice)

Hard disk failure

Virus attack

Human error

The business data center is paralyzed

149. If the two sites to be migrated are far away and network loss has a great impact on the migration rate, do not adopt the direct cross-site migration solution.

TRUE

FALSE

150. Which of the following descriptions about the physical division of Oceanstor 9000 is wrong?

Physical partitioning is an effective means of isolating faults

The failure of certain nodes will reduce the reliability level of data on other nodes in a physical domain with these nodes

Oceanstor 9000 realizes physical division through node pool and classification method

The administrator must add at least 2 storage nodes to a domain

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151. Which of the following options does not belong to the characteristics of distributed storage big data service solutions?

Integrated deployment, storage and computing are configured in proportion

High performance supports EC, better than native HDFS 3.0

Distributed NameNodes

An EC mechanism that is truly fully compatible with native HDFS semantics

152. The disadvantages of using cloud storage as a backup medium are:

The capacity is not easy to expand

Backup media needs to be managed

Requires a high-bandwidth network

Difficult to deploy

153. Store the data blocks in the cache first, and then perform deduplication processing when the system is idle. The advantage is that it does not affect the performance of data transmission, and the disadvantage is that it requires additional storage space". Which deduplication technology is described above?

Source-side deduplication

Target-side deduplication

Parallel deduplication

Global deduplication

154. A multinational company has a huge business, and customer business data is scattered in multiple locations, and the distance between locations is greater than 1,000 km. The enterprise hopes to centrally manage the backup data of each site, so that users can analyze and mine all the data without affecting the normal business; and if any business site suffers a disaster, the enterprise can take over the business and restore the data. In this case, which disaster recovery and backup solution should the enterprise choose?

Central disaster recovery backup solution, using synchronous remote replication between the business site and the central site

Two-site three-center solution, using asynchronous remote replication between sites

Two-site three-center solution, using synchronous remote replication between sites

Central disaster recovery backup scheme, using asynchronous remote replication between the business site and the central site

155. At the time of Oceanstor 9000, Huawei adopted a scale-out architecture for the characteristics of big data and used a big data storage platform launched through X86 architecture hardware

TRUE

FALSE

156. Oceanstor 9000 (C30) adds the internal file copy function when sharing files. When the client performs which of the following operations, the data traffic will not be seen when monitoring the Huawei Oceanstor 9000 client? (Multiple choice)

When performing copy and paste operations through the resource manager on the client Windows7

When performing copy and paste operations through the resource manager on the client Windows8

When the Windows2012 client performs copy and paste operations through the resource manager

When the client Suse10 executes the copy and paste operation through the command

157. Which of the following is the correct power-on sequence for the Huawei OceanStor 9000 big data storage system?

Cabinet--->Switch--->KVM---->Node

Cabinet--->KVM--->Switch---->Node

Cabinet--->Switch--->Node--->KVM

Cabinet--->Node--->KVM---->Switch

158. Before planning and designing a project, it is necessary to collect information about the project. Which of the following information collection descriptions is correct? (Multiple choice)

Collect project contract amount information

Collect network topology information on the live network

Collect operating system version information of business hosts

Collect business storage capacity demand information

159. The three elements of the CAP principle of a distributed database system are: Consistency, Availability, and Partition tolerance.

Regarding the three elements of CAP followed by the database, which of the following descriptions are correct? (Multiple choice)

In a distributed system, these three elements can only achieve two points at the same time at most, and it is impossible to take care of all three

For distributed data systems, partition tolerance is a basic requirement

For most web application databases follow the CPA principle, the design usually sacrifices consistency for high availability

Partition tolerance is a basic requirement for traditional relational databases

160. Which of the following options is wrong about the AK/SK authentication process?

After OceanStor9000 retrieves the SK, it uses the MD5 algorithm to encrypt the Zhang and request content to generate a signature.

When the user initiates a data request, the SK and the request content are encrypted using the IAC algorithm to generate a signature.

After OceanStor9000 receives the request and signature, it will retrieve the SK based on the A

OceanStor9000 will compare the received signature with the signature calculated by the corresponding system. If they are consistent, the authentication will pass.

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161. SmartMigration can completely migrate the business on the source LUN to the target LUN only when the host business is stopped.

TRUE

FALSE

162. The principles for formulating file system backup strategies include: (Multiple choice)

Measure data backup frequency based on data importance.

Measure task execution time in terms of delta.

Ensure sufficient network bandwidth for backup during the same period of time within the backup window.

Measure the data retention period based on the size of the data.

163. Before performing re-striping, Oceanstor 9000 will judge whether the occupied space of the node pool in the target classification is higher than the read-only water level. If it is lower than the read-only water level, it can perform re-striping, otherwise it will not perform striping.

TRUE

FALSE

164. Which of the following technologies are used to achieve cross-site data reliability when using the block service active-active feature in Huawei distributed storage? (Multiple choice)

Data cross-site mirroring

Static Priority Mechanism

Data Consistency Guarantee

Cross-site bad block repair

165. Which of the following are types of data? (Multiple choice)

Structured data

Semi-structured data

Unstructured data

Big data

166. The minimum number of nodes required for OceanStor9000 cluster deployment is?

167. In Oceanstor v3 storage, which information of edevlun is the storage space directly provided by Huawei storage

data volume

meta volume

external lun

taget lun

168. The primary storage array returns information of successful writing to the host.

4 Write IO data to the master and slave LUNs.

1-->2-->3-->4

1-->4-->3-->2

2-->1-->4-->3

3-->2-->1-->4

169. The difference between synchronous replication and asynchronous replication are? (Multiple choice)

Asynchronous remote replication, when a disaster occurs, data will be lost from the center

Synchronous remote replication will affect the performance of the host. Asynchronous remote replication will not affect the performance of the host.

Synchronous replication is to replicate real-time data Asynchronous replication is to replicate periodic replication

There is no limit to the network distance of synchronous replication

170. In the Huawei Oceanstor 9000 system, if the access storage system nodes of the client are unevenly distributed, after readjusting the partition, it is necessary to uninstall the shared directory on each client and remount it with the assigned domain name.

TRUE

FALSE

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171. Smartpatition technology can be combined with which of the following technologies to use cache partition? (Multiple choice)

smart qos

smart cache

smart tier

smart virtualization

172. When choosing the type of data backup, which of the following is wrong?

If there is only cumulative incremental backup but no full backup in the schedule, all files will be backed up when cumulative incremental backup is performed for the first time.

It is recommended to use the three backup types of full backup, differential incremental backup, and cumulative incremental backup in combination.

If the backup strategy is full backup combined with differential incremental backup, when the system fails, if you want to restore to the latest data, you need to restore the data of the last full backup and all differential incremental backups after the full backup.

The differential incremental method can save storage space to the greatest extent, and the backup window is small.

173. Which of the following options is wrong about quotas and statistical descriptions?

When the bucket capacity reaches the configured bucket quota, no write operations can be performed on the bucket.

Bucket resources available for statistics include the size of the bucket, the number of buckets owned, and the number of objects in the bucket.

Account resources available for statistics include account quota, number of buckets owned, number of objects, and total capacity.

When the total bucket capacity of the account reaches the configured account quota, the account can no longer perform write operations.

174. Which of the following descriptions about eReplication is incorrect?

eReplication is a disaster recovery service management software suite developed by Huawei Technologies Co., Ltd.

eReplication is a backup service management software suite developed by Huawei Technologies Co., Ltd.

eReplication supports visual management, and the execution status of protection groups and recovery plans can be seen at a glance.

175. During the processing of Huawei's distributed big data service IO stack, the computing component sends the request to the DataNode module through hdfs_client and returns the file metadata information.

TRUE

FALSE

176. Creating a consistency group is a necessary step in Huawei's active-standby disaster recovery solution.

TRUE

FALSE

177. Which of the following DAV (distributed authoring and versioning) can solve those problems that the http protocol cannot solve? (Multiple choice)

Overwrite protection

Resource management

Document Properties

Document encryption

178. Which of the following belongs to the automatic load balancing technology supported by RAID2.0+ technology of Oceanstor 18000 storage series products?

smartmotion

smarttier

smartqos

smart partition

179. Which of the following descriptions about remote replication of the Huawei Oceanstor v3 file system is correct? (Multiple choice)

Support synchronous and asynchronous remote replication

When the system fails, the longer the master-slave system data synchronization cycle, the more data loss, and the shorter the cycle, the less data loss may be

File system remote replication relies on snapshot technology. According to the principle of file system remote replication, the master and slave file systems will automatically generate snapshots

After the remote replication configuration is completed, the slave file system is not readable and writable by default. If the master file system fails, the system can automatically set the slave file system to be readable and writable

180. Which of the following descriptions about the cache in Huawei Oceanstor 9000 is wrong?

The first-level cache is the read cache of the storage node, and the location of the global cache is in the first-level cache

The secondary cache is used to cache the hotspot data of this node. Simultaneously cache the hotspot data of other nodes in the same node

The second-level cache is composed of SSD disks. If there is no SSD disk in the node, there is no second-level cache

Telegram cache (NVDIMM) is mainly used as a write cache.

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181. The Huawei Oceanstor 9000 FRU replacement tool does not support the replacement of which of the following modules or devices?

Power module

Replace hard disk online c. cable

IO module

182. Which of the following problems may be faced in the management of massive big data? (Multiple choice)

How to achieve fast search and improve retrieval efficiency

How to ensure the authenticity of data and prevent data fraud

How to realize the storage of different types of data at the PB level

How to reduce the amount of data generated and save storage resources

183. Huawei’s SmartVirtualization feature supports offline takeover and online takeover. Which of the following statements about these two methods is correct? (Multiple choice)

When using other vendor's multipath software for online takeover, the eDevLUN's masquerade attribute is "basic masquerade takeover"

During offline takeover, the masquerade attribute of the eDevLUN is "no masquerade"

Online takeover includes configuring basic masquerading takeover, configuring extended masquerading takeover, and configuring third-party takeover

During offline takeover, the application server business needs to be suspended

184. When Huawei Oceanstor 9000 is used in a large file scenario, we should focus on its OPS.

TRUE

FALSE

185. FusionStorage is divided into business system and management system. The ______ layer of the business system is used for the conversion of logical space and physical space.

186. Which of the following paths will Huawei UltraPath test? (Multiple choice)

Failure path

Normal path

Free available paths

High priority path

187. The data format before and after backup is consistent, and the backup data can be directly used to restore production data to ensure the continuity of business read and write.

TRUE

FALSE

188. The evolution route of big data technology is from distributed storage to cloud storage, from intelligent analysis to distributed analysis.

TRUE

FALSE

189. Bank A purchased a batch of Huawei OceansStor 18500 v5, and used RDMA Scale-out to expand the connection. Which of the following statements is correct? (Multiple choice)

The SmartIO interface provides internal interconnection, the transmission protocol is the RDMA protocol, and the port bandwidth can reach 100 GB

The 4 free ports are used to expand to 16 controller direct connection networking

Directly connected redundant networking realizes full interconnection between 8 controllers, and each engine shares 400 GB switching bandwidth

Divide the logical VLAN on the SmartIO port to connect the data network and the heartbeat network at the same time

190. When the bbu of the storage device fails, which of the following fault handling methods is incorrect?

Unplug the bbu battery

Manually modify the lun read and write strategy to write through

Replace the bbu battery

Collect fault environment information and contact technical support

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191. An enterprise A purchased a set of Huawei hybrid flash memory storage devices. Before the installation and deployment, the engineer used the networking assistant on Huawei's official website to plan and design the network. Through the storage network assistant, the network diagram of the storage device can be obtained, you can also get the networking diagram between the storage device and the application host.

TRUE

FALSE

192. Which of the following options describe the reasons for the rapid development of enterprise-level cloud storage? (Multiple choice)

Enterprises have a strong demand for resource pooling, shortening the time required for products to go to market, and reducing holding costs.

Storing business data in the cloud is less likely to be mishandled or stolen maliciously than storing it locally.

It can improve the performance and reliability of various typical or emerging application services and their businesses.

For typical application scenarios such as VST, VDI and big data, it can save more storage space, provide more bandwidth and better compatibility with virtual machines.

193. The controller in Huawei's hybrid all-flash memory fails, and the storage system tries to reset. During the reset process, the data is stored in the cache. If the reset fails, the data in the cache will be written to the hard disk of the controller () to avoid data loss.

194. Regarding source-side deduplication and destination-side deduplication, which statement is correct? (Multiple choice)

Source-side deduplication performs hash comparison on the transmitted data block at the source. If the data block has been transmitted before, only the hash index value needs to be transmitted.

Compared with the post-processing method, the online deduplication processing method at the target end has better data transmission performance.

Deduplication at the target end saves bandwidth resources and does not occupy resources at the source end.

Deduplication at the source end takes up resources at the source end and saves bandwidth resources.

195. Cloudera Hadoop docking process includes:

1 Data preparation.

2 Verify the docking status

3 Install HDFS Plugin to Cloudera Hadoop nodes and clients.

4 Migrating business data

Which of the following options is in the correct docking order:

1-3-5-2-4

1-3-4-5-2

1-5-3-4-2

1-5-3-2-4

196. If a customer wants to buy a Huawei storage device for video surveillance and backup and archiving data services, which indicator is recommended to choose a suitable Huawei storage device?

CPU Utilization

Bandwidth

IOPS

Latency

197. By checking the operating performance of the storage system through DeviceManager, you can know the real-time and long-term status of the storage system's business performance.

TRUE

FALSE

198. In the FusionStorage system, the () component processes the IO messages issued by the VBS, performs specific I/O data storage space operations, performs data redundancy protection and persists them to the storage medium.

199. The underlying virtualization of the N8000 clustered NAS system is realized through VxVM components. The virtual objects managed by VxVM include: VM disks, disk groups, subdisks, and Picks. Which one of the following explanations is correct?

The N8000 cluster file system VxVM is a non-log file system and can support files larger than 2T

The file system snapshot adopts copy-on-write (copy-on-write technology), and shares the storage space of the partition or volume with other file sets

The snapshot provided by N8000 is based on the file system level

Features such as file system snapshots, mirroring, and replication are implemented based on storage checkpoints

200. Verify and load the OS

4 ， 1 ， 3 ， 2

1 ， 4 ， 2 ， 3

1 ， 3 ， 2 ， 4

1 ， 2 ， 3 ， 4

Page 21 of 29

201. A company purchased a set of Huawei scale-out file storage for a video surveillance system. When configuring the InfoRevive feature to provide fault tolerance for the video surveillance system, which fault tolerance modes can be selected? (Multiple choice)

Read Fault Tolerant Mode

Write fault-tolerant mode

Read and write fault tolerance mode

Verify fault-tolerant mode

202. Which of the following options is wrong about the concept description of object storage service (compatible with OpenStack Swift interface)?

Account is the owner and manager of resources. Using Account, you can add, delete, check, and configure attributes for Containers, and you can also upload, download, and query Objects.

Object is an object, that is, data, which can be regarded as a file that can be accessed through the network.

Container supports nesting, thus avoiding the non-hierarchical container structure.

Container is a container for storing objects, which can be regarded as a directory that can be accessed through the network.

203. It is the following layer that completes the codec work in the FCoE protocol.

Ethernet

FC-2

FC-3

FC-0

204. In the Huawei storage system, a Storage __________ tool can pool storage resources for unified management.

205. SmartCache can support both SAN and NAS services.

TRUE

FALSE

206. There is a user whose quota type is capacity quota, and the quota method is mandatory quota. The recommended threshold for this user's usage capacity is

3GB, the soft threshold is 4GB, the hardware threshold is 6GB, and the grace period is 10 days. Which of the following options is incorrect?

When the storage space used by the user reaches 3GB, the system will not report an alarm, and the user can continue to write

When the user's used storage space reaches 5GB, and the storage capacity exceeds 4GB for 11 days, the user will be restricted from writing data

When the user's used storage space reaches 4GB, the system will report an alarm, and the data writing will not be restricted within the grace period

When the user's used storage space reaches 6GB, the system will prohibit data writing

207. The NAS storage system implements file system sharing, and the underlying protocol uses iSCSI for data transmission.

TRUE

FALSE

208. Through Huawei Oceanstor 9000 DeviceManager, we can view the real-time OPS performance indicators of the system.

TRUE

FALSE

209. The mean time between failures (Mean Time Between Failures, MTBF) is to describe the average continuous failure-free time of a product during operation or testing.

TRUE

FALSE

210. The storage device has two controllers, A and B. If the BBU of controller A fails, which of the following descriptions is correct?

The LUN belonging to Control A will be turned into write-through

The LUN belonging to Control B will be turned into write-through

All LUNs are converted to write-through

All LUNs are not converted to write-through

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211. In global deduplication, deduplication copies of multiple different storage strategies use the same deduplication pool as the backup target. Which of the following items need to be the same? (Multiple choice)

DDB

Disk library

Remove duplicate attributes

Retention period

212. Large e-commerce company A uses Huawei hybrid flash memory storage to ensure its core business. Regarding the SSD storage chip technology, which of the following statements are correct? (Multiple choice)

Support Multimedia

Support multiple interfaces

The FTL algorithm is built into the memory chip

The chip directly confirms the reading and writing position and other information

213. Which of the following descriptions about the unified namespace is incorrect?

As the root directory of the entire system, the namespace cannot be shared and accessed. Only the subdirectories below it can be shared and accessed.

The namespace is automatically created when 0ceanStor 9000 starts, and its name is consistent with the system naming.

A unified namespace provides users with a unified storage resource pool to achieve centralized management and allocation of storage space.

Each file share directory is a subdirectory of the namespace.

214. High-speed Ethernet ports (such as QSFP+) and high-speed cables are used between CE6810-24S20-LI and CE6810-4854Q-EI to implement stacking.

TRUE

FALSE

215. The network file sharing protocols supported by the NAS system mainly include: (Multiple choice)

FAT32

NTFS

NFS

CIFS

216. For the same set of Oceanstor v3 storage system, Oceanstor toolkit and Oceanstor cloud service tools cannot be configured and used at the same time

TRUE

FALSE

217. Which of the following scenarios are more suitable for using FusionInsight hadoop technology of Huawei Oceanstor 9000? (Multiple choice)

Write-once-read-many applications

Structured Data Form Processing

Storage and retrieval of massive small files

Mass document management with frequently changing content

218. Data block fingerprint entry opportunity table

1 ， 4 ， 2 ， 3

2 ， 1 ， 3 ， 4

1 ， 4 ， 3 ， 2

2 ， 1 ， 4 ， 3

219. The command to check the status of the controller in the cli management mode of Huawei storage oceanstor is:

show cotrolinfo

show controller general

show sys

show system general

220. Which of the following descriptions about the cloud storage system is correct? (Multiple choice)

Huawei's cloud storage system can only provide storage services to Huawei's cloud platform and its users

Huawei's cloud storage system can provide storage services for users of the VMwaxe cloud platform

The OceanStor9000 storage system will also become a part of the cloud storage system in the future

The scalability of OceanStor9000 storage system is better than that of cloud storage system

Page 23 of 29

221. Regarding the NDMP 2-way backup method of Oceanstor v3, which the following description is correct? (Multiple choice)

The NAS device sends backup data to its directly connected tape device through Fiber Channel

Tape devices can be shared by multiple NAS devices

The tape device must support the NDMP protocol

The backup server will generate an index to maintain these files and directories

222. A company has deployed multiple block service applications on the same Huawei distributed storage device, including daily backup, database sorting, and bill cycle settlement. The administrator finds that these services will consume system resources extremely during a specific period of time. If It is the business that occurs during working hours and will affect other interactive classes. The administrator uses the QoS feature to limit the consumption of storage resources by these services according to the time period in which they occur, so as to avoid affecting production services or interactive services. Which resources should administrators consider limiting? (Multiple choice)

Bandwidth

IOPS

CPU

memory

223. In the Oceanstor 9000 storage system, configure Info Allocator hard quotas for directory A and its subdirectory B to be 1GB and 2GB respectively. Which of the following statements is correct? (Multiple choice)

Directory B can write up to 2GB of data

Directory B can write up to 1GB of data

The maximum data that can be written in directory A is 2GB

Directory A can write up to 1GB of data

224. When purchasing a storage device, the available capacity is less than the actual hard disk capacity, which of the following possible reasons are correct? (Multiple choice)

Hot spare space occupied

RAID verification data occupation

Storage Metadata Occupancy

Coffer Disk Occupation

225. Which of the following is incorrect about the customer value of Huawei storage snapshot backup?

Reduce backup time

Reduce the amount of transfer and storage of backup data

Zero business impact

Cost reduction by 50%

226. The health status of the Huawei Oceanstor 9000 system cluster includes: (Multiple choice)

normal

Malfunction

Partial damage

Downgrade

227. Bank A has purchased Huawei’s hybrid flash memory storage. The encrypted hard disk technology in it can strengthen the security of business data. Which of the following statements are correct? (Multiple choice)

External Key Manager adopts KMIP+TLS standard protocol

Internal Key Manager is a key management application embedded in the storage system

The encryption hard disk technology uses the AES256 encryption algorithm to ensure that the data stored on the disk is encrypted and that the performance is not affected

OceanStor 18000/18000FV5 supports TPM for key protection

228. Huawei Oceanstor v3 smartmigration features and smartvirtualization are mutually exclusive and cannot be used together

TRUE

FALSE

229. After a failure occurs, it is possible to recover the data in case of system failure or disaster ()

230. When configuring Simpana backup software, the configurable deduplication strategy does not include?

Source-side deduplication

Client deduplication

Global deduplication

Parallel deduplication

Page 24 of 29

231. Which of the following statements about the characteristics of Huawei SmartQuota is correct? (Multiple choice)

SmartQuota supports two storage types: block storage and file storage

The main function of SmartQuota is to facilitate system administrators to manage storage resources of resource users

You can limit the resource usage of a single directory, user, and user group

Resource usage can be reminded to resource users through alarms and events

232. Which one is not included in the three elements of information research on Huawei’s active/standby disaster recovery solution?

Project background

Customer needs and refinement

Project Implementation Plan

Live network environment confirmation

233. The peak write bandwidth of an application is 10MB/s, the average write bandwidth is 200KB/s, and the average write IO size is 4KB (the overhead of private information is about 11%, and the bandwidth utilization rate is 70%).

If the FC network is used and the synchronous remote replication mode is set (considering the overhead of private information), which one is the correct requirement for network bandwidth?

Greater than or equal to 128.4Mbps

Equal to 128.4Mbps

Less than 128.4Mbps

Greater than or equal to 64.2Mbps

234. When designing a backup plan, if the application program is not in the compatibility list, it cannot be backed up.

TRUE

FALSE

235. Regarding the multi-NameNode concurrency characteristics of Huawei’s distributed storage products, which of the following statements are correct? (Multiple choice)

The number of files supported by multiple Active NameNodes is no longer limited by the memory of a single node

Multi-directory metadata operations are fully concurrent on multiple nodes

Avoid metadata service interruption caused by traditional HDFS NameNode switching

Multiple Active NameNodes provide metadata services, and the data between multiple nodes is consistent in real time

236. There are 1040GB files that need to be backed up, the backup window is 6 hours, GE network, media side deduplication, which of the following statement is correct? (Multiple choice)

Optional LAN-Base networking

The required bandwidth is 61.6MB/s

The required bandwidth is 71.7MB/s

Must use LAN-Free networking

237. Which of the following is correct in describing the CIFS protocol? (Multiple choice)

Data transmission based on TCP protocol

Data transmission based on UDP protocol

Linux platform file sharing protocol

Windows platform file sharing protocol

238. The parameters to be considered when configuring the backup data retention policy include the retention period, retention cycle, and the number of write streams.

TRUE

FALSE

239. Adjust the TCP parameters of LINUX clients accessing the Huawei Oceanstor 9000 cluster to improve access performance. Under the 10GE network, TCP

It is recommended to increase the sending and receiving buffer size to the following values, net.ipv4.tcp_rmem='4000000 8000000 16000000'net.ipv4

+tcp_wmem='4000000 8000000 16000000' [Single Choice]

TRUE

FALSE

240. Regarding the multi-NameNode features of Huawei’s distributed storage products, which of the following statements is correct?

Only one Active NameNode provides metadata services

NameNode is the metadata request processing node of HDFS

NameNode switching will cause metadata service interruption

NameNode is the data read request processing node of HDFS

Page 25 of 29

241. Fusion storage block storage supports large-scale expansion and elastic expansion, and supports DHT data routing. Originally, the VBS module uses LUNID and calculates the hash value, and the characteristic space is mapped to specific nodes according to the size of 64M, and the time processing is completed

242. What are the file type quota methods supported by smartquota in Oceanstor 5300 v3? (Multiple choice)

Hard quota

Capacity Quotas

Calculating Quotas

File Quota

243. Which of the following options is incorrect in describing the product features of Huawei Oceanstor 9000?

Oceanstor 9000 adopts a fully symmetrical logical architecture and business load balancing design, which can greatly improve the concurrent access capability of the system

Oceanstor 9000 uses a global cache, so the data is saved in the cache

Oceanstor 9000 does not support accessing Oceanstor DeviceManager through HTTPS

Oceanstor 9000 can expand smoothly, capacity and performance support linear expansion

244. C72 is a large-capacity archiving node device with a height of 4U, but it can also be fully equipped with 72 SAS disks to adapt to some scenarios with relatively high performance and capacity requirements.

TRUE

FALSE

245. Regarding the application of InfoStamper features, which of the following options are correct? (Multiple choice)

The antivirus server reads the file through the snapshot, and performs virus scanning, killing and isolation

Snapshots avoid data loss caused by two failures, and support fault-tolerant processing of sub-healthy disks with complete failures

When the file data in the source directory is damaged by non-physical media such as artificial accidental deletion, overwriting, or virus intrusion, restore the files in the snapshot directory before the time point of failure during access

After the remote replication task is started, snapshots are created regularly according to the set time interval, and then the data at the snapshot time is synchronized to the slave end. Only the incremental data between the current snapshot and the previous snapshot needs to be copied each time

246. What is the unit that Huawei Oceanstor 9000 provides for CIFS/NFS/FTP sharing?

Contents

Documentation

User

User Groups

247. When the balance strategy switch of Oceanstor 9000 is turned off, the system will not generate balance tasks in the scenarios of expanding nodes, deleting or disabling nodes, adding hard disks, hard disk pre-failures, and slow disks, but if the nodes are deleted, then open the balancing strategy switch, the system will automatically complete the data balance.

TRUE

FALSE

248. Which statement is correct about Huawei Oceanstor 9000 NFS service characteristics? (Multiple choice)

Compatible with multiple operating systems, enabling file resource sharing in heterogeneous network environments

After a node fails, the client business connected to this node is quickly switched to other nodes to take over, and the business is not interrupted

Provide shared services externally in a cluster mode, and nodes can monitor each other's service status

Load balancing can be achieved according to business and node status, and data access is evenly distributed in the cluster

Oceanstor 9000 supports NFSv3 and v4 protocols

249. An account is a credential for using an object storage service (compatible with the Amazon S3 interface), and its management functions do not include:

Contract business management

Basic Account Management

Certificate Management

Cross-domain access policy management

250. An engineer needs to perform a snapshot rollback operation to obtain source data at a certain point in the past. Regarding this operation process, which of the following statements are correct?

If the data is rolled back to the snapshot at time A, the snapshot created after time A will be deleted

The snapshot rollback speed can reach the second level

If the data is rolled back to the snapshot at time A, the snapshots created after time A will not be deleted

Snapshot rollback is a full copy recovery of source data at a certain point in time

Page 26 of 29

251. Which of the following options did not improve the reliability of Oceanstor v3 storage products?

Support raid2.0+

Built-in bbu

Component redundancy design

Support acc card

252. If the alarm indicator of the storage controller box is yellow, it means that there is a critical alarm in the storage system.

TRUE

FALSE

253. The worm feature of Huawei Oceanstor v3 is to add the worm attribute on the basis of the ordinary file system, so that the files in the file system can only be read and cannot be written.

TRUE

FALSE

254. Which of the following statements about the Oceanstor 9000 InfoLocker feature is incorrect?

WORM files can be modified and deleted

The WORM clock is only allowed to be set once, and it is no longer allowed to be changed after the setting is successful

When a directory is configured as a WORM root directory, all subdirectories, new directories and new files of the directory automatically obtain the WORM attribute of the parent directory

WORM-protected submission only supports automatic submission

255. Which of the following options is incorrect about the description of Bucket?

A bucket is a container for storing objects, which can be regarded as a directory that can be accessed through the network.

Buckets support nesting, thus avoiding non-hierarchical container structures.

Buckets and Containers have similar functions and can be accessed through the network.

Bucket life cycle management refers to the function of automatically deleting objects in the bucket after a certain period of time through configuration rules without client intervention.

256. In Huawei Oceanstor v3 smartmigration, splitting only removes the pair relationship after the data synchronization between the source lun and the target lun is completed. Which of the following statements about splitting is wrong? (Multiple choice)

The system will exchange lun information at the split time point

When the smartmigration migration status is normal, it can be split

The splitting of multiple smart migration pairs can be realized at the same time

Supports two split modes: manual split and automatic split

257. The built-in script of the disaster recovery management software OceanStor BCManager eReplication supports one-click failure recovery for Oracle and SQL Server applications. Which of the following steps is not included in the one-click failure recovery?

The test application starts successfully

Forcibly switch the replication relationship

Start the disaster recovery application

Mapping LUNs

Resumption of production operations

258. Regarding the description of the principle of DCL small bitmap technology in remote replication, which items are incorrect? (Multiple choice)

Small bitmap technology can be applied to asynchronous remote replication.

Through the small bitmap technology, the amount of data replication and the risk of data loss can be reduced, the replication performance can be improved, and the RPO can be reduced.

The small bitmap technology splits a 64KB Chunk into smaller 16KB Chunks to record differences.

According to the principle of small bitmap technology, when there are 6 consecutive addresses with different data that need to be synchronized, the granularity of copying at this time is 4K

259. An Oceanstor 18000 storage system has two engines, engine 0 and engine 1. When the engine 0 disk fails, reconstruction will definitely occur on all disks of the two engines

TRUE

FALSE

260. Which level does the IB protocol stack not include?

Session layer

Application layer

Physical layer

Transport layer

Page 27 of 29

261. A Huawei Oceanstor 9000 cluster office is configured with 6 C72 nodes. How many nodes should NIC0 be connected to the management network?

262. The Huawei Oceanstor 9000 storage system adopts layered security maintenance. Which item does not belong to the application layer security content?

Cryptography

Authorization and Authentication Mechanisms

Use SSH/SFTP method to circumvent insecure network communication

Activity log

263. Which of the following descriptions about indicator lights is correct for Huawei OceanStor flash storage products? (Multiple choice)

In the control box, if the orientation indicator light is off, it means that the control phase is positioned

The warning light in the control phase is amber, indicating that the control phase is in alarm

The battery button and the battery indicator light must be separated

The phase positioning indicator in the control box is always on in blue, indicating that the control board is being positioned

264. When the storage business model is continuous large IO, bandwidth is used as a measure of performance.

TRUE

FALSE

265. In the VMware backup scenario, when the non-SAN transmission mode is used, the backup data is transmitted to the VSA through the ESXi host, and then written to the backup medium through the MA.

TRUE

FALSE

266. Which of the following functions can the Oceanstor 9000 administrator achieve through the InfoAllocator feature? (Multiple choice)

Reasonably plan users

Manage and monitor users

Statistics and view users

267. When accessing the LINUX client of the Huawei Oceanstor 9000 cluster, the number of concurrent NFS clients can be appropriately reduced to improve access performance.

TRUE

FALSE

268. Which of the following descriptions about the principles of backup strategy formulation is wrong?

Measure data backup frequency according to data importance

Measure task execution time based on the amount of data change

Measure the data retention period according to the size of the data

Scale backup media in terms of data discreteness

269. Which of the following application scenarios does not belong to the typical application scenarios of Oceanstor storage?

Automatic Tiering Storage Application

Disaster recovery application

High-density virtual machine applications

Multimedia applications with a capacity requirement above EB level

270. Regarding the high-reliability architecture of Huawei's all-flash storage, which of the following statements are correct? (Multiple choice)

Tolerate successive failures of 7 controls

Storage system components adopt dual redundant design

Tolerate single engine failure

Tolerate 2 control failures at the same time

Page 28 of 29

271. An enterprise has purchased a Huawei distributed storage system, and now needs to plan and deploy the network. Among the following options, which network planes must be planned? (Multiple choice)

Arbitration plane

Business Plane

Copy plane

Storage Plane

272. Which of the following servers must be authenticated by the user to access the object storage service (compatible with the OpenStack Swift interface)?

KEYSTONE

LDAP

RBAC

273. Game live broadcast platform A uses Huawei's all-flash storage FlashLink many-core technology to protect its business. For the many-core technology, which of the following describes the scenario where the CPU is grouped by core?

vnode is bound to the CPU to reduce the overhead of cross-CPU scheduling and cross-CPU transmission

Identify the hot and cold data in the system, improve the performance of garbage collection and prolong the service life of the SSD through the cooperation of the SSD disk and the controller

A request is executed continuously on the same core and implements a lock-free design to avoid frequent multi-core switching

Read and write IO and other IO are deployed in different CPU core groups to avoid mutual interference

274. The InfoEqualizer feature supports partition setting load balancing strategy, which options are optional ways to configure the load balancing strategy? (Multiple choice)

Throughput by node

Round Robin

Number of connections by node

By CPU usage

275. Taking data center A as the priority site and data center B as the non-priority site as an example, when the user does not configure an arbitration server or the arbitration server cannot be accessed, the HyperMetro arbitration mode is the static priority mode, and when arbitration occurs in the HyperMetro Pair () the site end obtains arbitration and provides services.

276. Which one of the following is incorrect when the description about Huawei Oceanstor v3 smarterase technology is incorrect?

When you choose to use the custom destruction method, you can overwrite up to 99 times

When the mirror data is destroyed, every time complete random data is written to the lun, it will trigger a check whether the expected number of times is reached

Support DOD and custom destruction methods, and the default destruction times are 3 times

277. Huawei distributed storage, _____________ feature supports remote data migration

278. When performing data backup, in order to save space, data may be deduplicated. For example, duplicate data blocks A and B will only physically save one copy of the data, and the corresponding index of block A or B will be deleted.

TRUE

FALSE

279. The active architecture of Huawei's mass storage system ensures load balancing of high concurrent transaction services. Using this architecture, I/Os are distributed evenly across all frontends for access load balancing

TRUE

FALSE

280. The LUN size relationship between production storage and disaster recovery storage configuration remote replication is: the capacity of the secondary LUN is greater than or equal to the capacity of the primary LUN.

TRUE

FALSE

Page 29 of 29

281. Which is correct about RAID10? (Multiple choice)

RAID 10 uses parity disks for data protection

Compared with RAID 1, RAID 10 has higher hard disk utilization

When writing data to RAID 10, there is no need to calculate the checksum

RAID 10 uses mirroring to provide data element redundancy

282. An enterprise purchased a set of distributed storage system, which contains 50 nodes. Engineer C plans and designs the installation and deployment of the storage system before deployment. According to the recommended reference configuration, when planning the network configuration, it is necessary to plan to use aggregation switches.

TRUE

FALSE

283. Regarding the global deduplication of Simpana, which of the following statements is correct?

When creating a sub-client, you can choose global deduplication as the storage policy.

You can modify the existing storage policy to global deduplication.

A global deduplication policy can be referenced by multiple deduplication policies.

Global deduplication and parallel deduplication cannot be used at the same time.

284. In the OceanStor V3 storage system, regarding the remote replication consistency group, which item is wrong?

All members must be synchronized, split, disconnected, and master-slave switched together.

It is used to maintain time consistency of mirrored data between multiple LUNs.

There can be both synchronous remote replication and asynchronous remote replication in a consistency group.

For remote replication in the same consistency group of Huawei arrays, the master must come from the same array, and the slaves must also come from the same array.

285. Huawei hyper-convergence has the function of adaptive global deduplication and compression, which can provide significant space reduction and reduce user TCO under reasonable resource consumption. The implementation process of adaptive local compression is correctly sorted

286. OceanStor 9000 uses Erasure code technology to protect data. If there are 6 nodes in a site, and the customer wants to ensure that the data can still be restored even if 3 disks are damaged in a stripe, the redundancy code can be used. The remaining protection levels are: (Multiple choice)

4+3:1

6+3

4+2

12+3:1

287. Between the two nodes of the Huawei N8000 (V200R001) cluster NAS, how many lines of redundancy are there between the heartbeat links?

By Jonnie Karnath Huawei Free Dumps H13-624_V5.0-ENU, H13-624_V5.0-ENU practice test questions, HCIP-Storage V5.0, Huawei H13-624_V5.0-ENU free dumps 0 Comments

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Huawei H13-624_V5.0-ENU Questions – Boost Your Exam Preparation

Huawei H13-624_V5.0-ENU Questions – Boost Your Exam Preparation

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