HCIA-Storage V5.0 H13-611_V5.0-ENU Sample Questions

Jonnie Karnath2023-08-17T07:59:14+00:00

HCIA-Storage V5.0 H13-611_V5.0-ENU is an exam that validates the knowledge and skills required to manage, operate, and maintain storage systems. If you are planning to take the HCIA-Storage V5.0 H13-611_V5.0-ENU exam, it’s important to practice with the latest HCIA-Storage V5.0 H13-611_V5.0-ENU sample questions to prepare yourself for the test. Certspots offers a wide range of HCIA-Storage V5.0 H13-611_V5.0-ENU sample questions that are updated regularly to reflect the latest exam content. By practicing with these HCIA-Storage V5.0 H13-611_V5.0-ENU sample questions, you can get a feel for the format of the exam, identify areas where you need to improve, and build your confidence before taking the actual test.

With Certspots’ HCIA-Storage V5.0 H13-611_V5.0-ENU sample questions, you can access a comprehensive set of practice questions and answers that cover all the topics of the exam. These questions are designed to be challenging and will test your knowledge and understanding of the storage systems concepts. By practicing with these HCIA-Storage V5.0 H13-611_V5.0-ENU sample questions, you can increase your chances of passing the HCIA-Storage V5.0 H13-611_V5.0-ENU exam on your first attempt.

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1. () is a data reduction technology that reduces the physical storage capacity occupied by data by deleting redundant data blocks in the storage system, thereby meeting the growing demand for data storage.

SmartDedupe

2. Snapshots used for backup purposes should be set to read-only to prevent being modified by other applications and affecting the consistency of backup data.

True

False

3. What are the storage product forms? (Multiple Choice)

Integrated disk control

Disk control separation

Entire cabinet

4. Which of the following steps does the CIFS protocol need to go through? (Multiple Choice)

Protocol handshake

Safety certification

Shared connection

File operations

Disconnection

5. When configuring the hyper metro feature in Huawei storage, the arbitration server can only be deployed on the physical server, not on the virtual machine.

True

False

6. A company newly purchased a hybrid flash memory device. What functions can the device provide for the company? (Multiple Choice)

Able to provide intelligent classification function of cold and hot data

Able to support file sharing in different departments

Can create ThinLun to save initial capacity

Can support the financial department to use database applications

7. Taking Huawei OceanStor all-flash devices as an example, which of the following descriptions of logical ports are correct? (Multiple Choice)

Logical ports are created based on bonded ports, VLAN ports, or Ethernet ports

Logical ports are virtual ports that carry host services

Each logical port will be assigned an IP address to carry the corresponding business

Different logical ports can be assigned the same IP address

8. For random accessing to mechanical disks, the biggest impact on the time taken to complete an IO is:

Seek time

Rotation delay

Data transfer time

9. CKG is composed of multiple CKs on different types of different hard disks in the hard disk domain.

True

False

10. Statement 1: Hyper Mirror one LUN failure, the host business is not interrupted, Hyper Clone primary LUN failure, the host business is interrupted.

Statement 2: Hyper Mirror supports dual copy, and Hyper Clone supports a maximum of 1 primary LUN: 16 secondary LUNs.

Statement 1 is correct, Statement 2 is correct

Statement 1 is correct, Statement 2 is wrong

Statement 1 is wrong, Statement 2 is correct

Statement 1 is wrong, Statement 2 is wrong

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11. For Huawei Ocean Stor all-flash storage devices, which of the following descriptions about LUN and LUN groups are correct? (Multiple Choice)

Using Device Manager, you can create multiple LUNs at once

All Huawei Ocean Stor all-flash storage devices can create thick LUNs

Using Device Manager, when creating a LUN, you can select the application type corresponding to the LUN

A LUN group can contain only one LUN

12. Among flash memory media chips, QLC is lower in cost than TCL, supports frequent rewriting, can provide high-speed read and write rates, and is suitable for server memory.

True

False

13. Which of the following statements are correct about flash memory particles? (Multiple Choice)

In SLC, one cell can store 1 bit of data

In MLC, one cell can store 2 bits of data

In TLC, one cell can store 4 bits of data

In QLC, one cell can store 3 bits of data

14. FC relies on a dedicated FC network, which is easy to form storage islands.

True

False

15. The level of PCle equipment: mainly divided into (), (), (), ()

Physical layer, data link layer, transaction layer, application layer

16. Which of the following descriptions of NAS is correct?

Description 1: NAS is always based on file sharing.

Description 2: The distance of the network connection affects the performance of the NAS.

Both description 1 and description 2 are correct.

Description 1 is correct, description 2 is wrong

Description 1 is wrong, description 2 is correct

Both description 1 and description 2 are wrong

17. Which of the following are types of data? (Multiple Choice)

Structured data

Semi-structured data

Unstructured data

Massive data

18. Statement 1: ICT infrastructure should be built with high-end equipment with high reliability, so there is no need to establish a backup.

Statement 2: Servers are usually used to refer to computers with higher specifications in some enterprises. These computers usually install some important software in the enterprise, run important business.

Both Statement 1 and Statement 2 are correct

Statement 1 is correct Statement 2 is wrong

Statement 1 is wrong, Statement 2 is correct

Both Statement 1 and Statement 2 are wrong

19. Regarding the commonly used components of ICT, which of the following statements is correct? (Multiple choice)

Common components of ICT include hosts, storage arrays, switches, and networks

Hosts are also called servers, which refer to computers with higher specifications in some enterprises

Storage array usually refers to the equipment that provides data storage

The switch is also called the switching hub, which mainly works on the three-layer network

20. In the following description of the Hyper clone feature, which options are correct? (Multiple Choice)

Heterogeneous LUNs can be used as Hyper clone source LUNs and target LUNs

Active-active as a negative LUN can be used as a source LUN of a Hyper clone as a target LUN

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21. () is directly connected to the host bus, mainly including the cache and memory required for CPU operations, hard disks and optical drives directly connected to the computer motherboard. The capacity is often not large and inconvenient to expand.

Built-in storage system

22. The IB system includes channel adapters CA, switches, routers, repeaters, and connected links. CA is divided into which of the following? (Multiple choice)

TOE NIC + initiator software

NIC + initiator software

Host channel adapter.

Target Channel Adapter.

23. SCSI communication is initiated by the initiator, received and processed by the target. When the host communicates with the storage device, the storage device side assumes the role of the initiator.

True

False

24. Regarding Huawei's OceanStor V3 storage dynamic tiered storage technology, which of the following descriptions is wrong?

Smart Tier calculates and analyzes the activity of the data to determine the activity level of the data

Smart Tier automatically and dynamically moves data to storage media of different performance according to the different activity levels of the data

Smart Tier data movement based on configuration data migration strategy

Data statistics, analysis and data migration of Smart Tier features will affect business continuity and data availability

25. The user wants to purchase a server (or storage), deploy database services, and has high IOPS requirements. Please help the user to choose which of the following models?

OceanStor100D C110

OceanStor100D C100

OceanStor100D P110

OceanStor100D F110

26. Which of the following descriptions about SCSI is wrong?

The latest is that the protocol transmission speed can reach 1GB/S

Support communication between different devices.

Experienced the changes of SCSI-1, SCSI-2, SCSI-3 and other versions.

SCSI, the interface of a small computer, is a protocol system.

27. Types of data According to the way of data storage and management, data are divided into (), () and ()

Structured data/semi-structured data/unstructured data.

28. After employee A of a company logs in to the storage device of the company system, he finds that he has certain control rights. However, the system time cannot be modified, and user management cannot be performed. Excuse me, which of the following roles does employee A have?

Super Administrator

Administrator

Ordinary users

Read-only users

29. With the advent of the era of big data, storage technology is also undergoing changes. Which of the following is correct about the changes in storage technology? (Multiple Choice)

The file system has evolved from a local system to a cluster file system and a distributed file system

Large-scale expansion capability is a characteristic of mass storage

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

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

30. What is the difference between synchronous replication and asynchronous replication? (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, while asynchronous remote replication will not affect the performance of the host

Synchronous replication is to replicate real-time data, and asynchronous replication is to replicate periodic replication

There is no limit to the network distance of synchronous replication

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31. During the host's read operation of Thin LUN, what technology is used to read data from the corresponding actual storage space in the storage pool?

Capacity-on-write

Direct-on-time

Direct-on-read

Capacity-on-read

32. In an Internet company's storage system, two businesses, A and B, are constantly competing for cache and network resources, causing other businesses to wait longer. In order to solve this problem, it is necessary to configure cache partition and flow control technology. Among them, business A is a transaction processing application, business B is an analytical query application, and it needs to ensure that business A responds immediately.

So how to configure it reasonably? (Multiple Choice)

When configuring the cache partition, the cache corresponding to service A is larger than the cache corresponding to service B

When configuring the cache partition, the corresponding cache of B business is larger than the corresponding cache of A business

Configure the QoS priority of service B to be higher than service A

Configure service A to have a higher QoS priority than service B

33. Which of the following storage services does Huawei distributed storage (such as Huawei OceanStor100D) support? (Multiple Choice)

Block storage

File storage

Object storage

HDFS storage

Chain storage

34. In the Huawei OceanStor V3 storage system, one LUN can create multiple snapshots, but only one snapshot can be in the activated state.

True

False

35. Port of the local controller

1->2->3

2->1->3

3->1->2

2->3->1

36. CIFS share permissions from large to small are as follows: 1. "Prohibit", 2 "Read and Write" 3 "Full Control" 4 "Read Only"

1->2->3->4

3->4->2->1

1->3->2->4

2->1->4->3

37. SSD is mainly composed of a control unit and a storage unit. Which of the following does not belong to the control unit?

SSD Controller

NAND FLASH particles

Host Interface

DRAM

38. There are twos statements of fiber optic switches below, which is correct?

Statement 1: A port can be in multiple zones.

Statement 2: A switch can have multiple zones.

Both Statement 1 and Statement 2 are correct

Statement 1 is correct, Statement 2 is wrong

Statement 1 is wrong, Statement 2 is correct

Both Statement 1 and Statement 2 are wrong

39. The NFS protocol uses the client/server architecture.

True

False

40. The protocols supported by DAS are? (Multiple choice)

SCSI protocol

SAS Protocol

FC Agreement

SATA

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41. A bank enabled the Smart Tier feature for the storage space of the bill transaction system. During the I/O monitoring process, it was found that the data access written by the business was very high. What are the following configurations that can optimize performance? (Multiple Choice)

Prioritize capacity allocation from the high-performance tier

Migrate to the high-performance tier

Prioritize capacity allocation from the capacity tier

Migrate to the low-performance tier

42. Which of the following are the FC topology? (Multiple Choice)

Arbitration Ring Network

Peer-to-peer network

Switching network

Dual exchange network

43. Which of the following description about NAS is wrong? (Multiple choice)

NAS devices can use cluster technology for failover

NAS provides a console centralized management, which can effectively manage the file system

Do not allow NAS to be accessed by multiple clients at the same time

A client cannot connect to multiple NAS devices at the same time

44. Regarding the four disaster recovery modes of active-active, hot standby, warm standby, and cold standby, which of the following statements is wrong?

Active-active technology can realize that both the active and standby data centers provide external services. During normal operation, the services of the two data centers can be load-shared based on weights. There is no distinction between active and standby. They respond to some users separately. The weights can be divided by region, data center service capacity or external bandwidth

Warm backup technology, when a data center failure causes the service to be unavailable, the service can be automatically switched to the backup data center within the specified RTO time

The hot standby service is responded by the main data center. When the service is unavailable due to a data center failure, the service can be automatically switched to the backup data center within the specified RTO time

The biggest feature of Multi Live is that it will not cause waste of data center resources, and data centers all carry application services.

45. () refers to reducing the amount of data by reorganizing the data to reduce the storage space and improving the transmission, processing and storage efficiency of the storage system without losing information. The storage system supports online compression, that is, only newly written data is compressed.

Data Compression Features

46. 1.SmartThin is a storage space management technology provided by Huawei OceanStor V3 storage system that allocates storage resources on demand. Based on virtualization technology, SmartThin reduces the deployment of physical storage resources and maximizes the utilization of storage space.

True

False

47. Huawei Ocenstor hybrid flash memory can only be expanded through PCIe Scale-out.

True

False

48. Which is wrong about the Huawei Oceanstor all-flash storage system?

The data of each LUN is evenly distributed to the cache of all nodes

When creating a LUN, plan the ownership of the LUN to achieve load balancing of the controllers in the system

The caches of all controller nodes together form a global cache

A front-end intelligent shared IO module can be provided, and the host IO can be divided and sliced into LUNs and sent directly to the corresponding target controller

49. Drag question ILM (Information life cycle management, information life cycle management)

The corresponding data management is generally divided into the following stages. Drag the corresponding option to the corresponding option.

50. Which of the following descriptions are correct about the functions of the Huawei storage device control module? (Multiple Choice)

FC interface module is used for FCoE network connection

The system plug provides storage for various interface modules through the backplane

Expansion module, cascade control and other disk enclosures through the expansion port

The hard disk module provides storage capacity for the storage system

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51. If the GE network uses the required bandwidth calculation formula to get <100M/s, which backup network should be selected?

LAN-Base

LAN-Free

Server-Free

NDMP

52. Semi-structured data is generally self-describing, and the structure and content of the data are mixed, and there is no obvious distinction.

True

False

53. A Snapshot of an original snapshot contains data written to the original snapshot.

Which of the following is deemed a snapshot of an original snapshot?

Clone

Snapshot copy

Cascaded snapshot

Backup snapshot

54. A government unit adopts Huawei's two-location three-center solution for disaster recovery construction, and its business is mainly concentrated from 8:00 to 18:00. Which of the following is wrong?

The production center and the remote disaster recovery center should adopt synchronous remote replication

The time period for data synchronization between the production center and the disaster recovery center should be selected at night when the business volume is small

When doing remote replication, a consistency group should be created according to the business of the unit, and related businesses should be placed in a consistent group

The BC Manager software can be used to set the data synchronization period

55. Two CKs in a CKG of RAID 2.0+ can come from the same hard disk.

True

False

56. According to the changes in the amount of backup data, the types of backups can be divided into ______. (Multiple choice)

Real-time backup

Full backup

Incremental backup

Differential backup

57. Which of the following belong to the operation and maintenance standard system? (Multiple Choice)

ITIL (Information Technology Infrastructure Library)

ISO 2000 (International Organization for Standardization 2000)

IEEE (Institute of Electrical and Electronics Engineers)

SNIA (Storage Networking Industry Association)

58. Description 1: The data recovery of the snapshot depends on the source data. If the source data is physically damaged, it cannot be recovered. In this case, the clone can still recover the source data.

Description 2: After the source data is damaged, LUN copy must make a complete copy of the backup data to restore the source data. The clone only needs to restore the damaged data, which greatly shortens the recovery time.

-Snapshot: The data recovery of a snapshot depends on the source data. If the source data is physically damaged, it cannot be recovered. In this case, the clone can still recover the source data.

-LUN copy: After the source data is damaged, LUN copy must make a complete copy of the backup data to restore the source data. The clone only needs to restore the damaged data (incremental copy), which greatly reduces the recovery time.

-Remote replication: Remote replication can only protect data between storage devices. The hardware cost is high, and the remote link bandwidth is usually low, and the data recovery time is long. The cloning can realize data protection in the storage device, which can effectively save expenses and shorten the data recovery time.

Description 1 is correct, description 2 is correct

Description 1 is correct, description 2 is wrong

Description 1 is wrong, description 2 is correct

Description 1 is wrong, description 2 is wrong

59. A certain bank will launch a set of business systems, which have very high performance and security requirements. The database uses an Oracle database and plans to deploy the Oracle database to a storage system. Then, when creating a RAID group for the Oracle database, the optimal RAID strategy should be:

RAID 1

RAID 5

RAID 6

RAID 10

60. A company purchased a set of Huawei storage (such as Huawei OceanStor hybrid flash memory) equipment, using SAS interface hard drives.

In addition to SAS hard drives, what types of hard drives can the storage support? (Multiple Choice)

NLS AS hard disk

SCSI hard disk

FC hard disk

SSD hard disk

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61. In the backup system, the data that needs to be backed up must pass through the media server before being stored in the backup media.

True

False

62. Which of the following statements about Huawei RAID 2.0+ is correct? (Multiple choice)

Hot spare space cannot cross engines

RAID 2.0+ uses an independent hot spare disk

Chunk size and Extent size are not adjustable

Automatically reserve a certain amount of hot spare space in the disk domain according to the hot spare policy

63. NAS equipment optimizes file service, storage, retrieval, file access and other functions on the basis of general-purpose servers.

True

False

64. What are the correct analysis of the dual-control architecture storage subsystem? (Multiple Choice)

Only for high-end storage

In Active-Active, only one controller receives data requests in the same time period

In Standby, the controller does not receive data requests and does not 0 hard disks

There are two working formats: Active-Active, Standby

65. Which of the following is not included in all-scenario data protection provided by OceanProtect backup storage?

Full disaster recovery of hot data

Hot backup of warm data

Warm archive of warm data

Warm archive of cold data

66. In the Huawei Ocean Stor storage system, when creating a clone, the original LUN can be a Thick LUN or Thin LUN, and the secondary LUN can only be a Thin LUN.

True

False

67. In iSCSl communication, an initiator is used to initiate I/O requests.

Which of the following can be used as an imitator?

iSCSl disk array

Initiator driver program

TOE card

iSCSI HBA

68. Hybrid cloud is a solution that uses both private cloud and public cloud at the same time.

True

False

69. The storage architectures listed below, which are scalable? (Multiple choice)

DAS

NAS

FC SAN

IPS AN

70. pcie can provide the business interface between the control box and the data switch for exchanging control flow and data flow information between the control boxes.

True

False

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71. The configuration process of HyperReplication must remember the sequence before and after, it will change during the exam, so you can drag or connect to complete the sequence.

图示

描述已自动生成

72. The normal power-on sequence of the server device is: turn on the corresponding drag questions of each device

73. Which of the following are the business models of cloud computing? (Multiple choice)

IaaS

PaaS

SaaS

MaaS

74. On which of the following storages the NV ME interface protocol is applied?

NL-SAS

SSD

SATA

SAS

75. What is necessary for the initial configuration of the storage system? (Multiple Choice)

Enter Device Manager

Change password

Configure the accessible IP address

Configure the management port IP address

76. Which mirroring scenarios are mainly used for volume mirroring, or Hyper Mirror? (Multiple choice)

Mirroring of two LUNs in this array

Cooperate with the heterogeneous virtualization function to realize the mirroring of the LUN of the heterogeneous array and the local array

Cooperate with heterogeneous virtualization to realize the mirroring of two heterogeneous LUNs

The mirrors of the two LUNs of the volume mirror are not under the same owning controller

77. Dual-controller storage systems generally contain mirroring channels, and data written to the storage system's Cache will be written to the peer controller through the mirroring channel.

True

False

78. Which of the following descriptions are correct about IP scale-out expansion? (Multiple Choice)

iwaRP protocol can be used

PCIe protocol can be used

TCP/IP protocol can be used

IB protocol can be used

79. Synchronization in cloning, double write 0 and single choice for master and slave LUN

True

False

80. A reliable ICT infrastructure should avoid a single point of failure of equipment, or even a single point of problem for personnel.

True

False

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81. Distributed storage can provide: block services, big data services, object services and file services.

True

False

82. Which of the following descriptions about the technical characteristics of pre-copy are correct? (Multiple Choice)

Reduce the occurrence of refactoring.

Improve RAID reliability.

Pre-copy needs to suspend RAID group business access in advance.

When the number of errors of the suspicious failed disk exceeds the preset threshold, immediately migrate and copy the data on the suspicious failed disk and import it to the hot spare disk.

83. Which of the following descriptions are correct about SAN and NAS? (Multiple Choice)

NAS is characterized by putting the server file system in the storage so that the server needs to share data through the network

Now NAS is geared towards unstructured data storage, such as many department employees for office files and centralized storage

SAN is more used in data scenarios to store structured

DAS, NAS, SAN are all external storage, so storage resource sharing can be easily realized

84. Huawei al-flash series storage systems employ the FlashLink technology. It is designed for flash memory to prov ide high IOPS concurrency and stable low latency.

Which of the following are key technologies of FlashLink?

Intelligent multi-core technology

Large-block sequential write

Hot and cold data separation

Smart disk enclosure

Global wear leveling and anti-wear leveling

85. What kinds of external storage are there? (Multiple Choice)

DAS

NAS

SAN

FAS

86. LUN and the file system will not be in the same storage pool, nor in the same hard disk

True

False

87. ASmartQoS policy provides mult-dimensional processes.

Which of the following objects cannot be added to such a policy?

LUN

LUN group

Host group

File system

88. What are the functions that can be achieved by storage snapshots? (Multiple Choice)

Take a snapshot of the business LUN at the end of the month and analyze the business data of the previous month through the snapshot.

Take regular snapshots of the storage at 12 o'clock every evening, and use the snapshot data for backup

Obtain real-time data analysis business status through snapshot data

Use the snapshot LUN data for the development and testing of the new version

89. A company has sufficient client server resources, but the network resources are tight. Which deduplication strategy is suitable?

File-level deduplication

Byte-level deduplication

Source-end deduplication

Target-end deduplication

90. The company has received a new batch of storage devices, which does not require much access speed, and can use IP-SAN networking.

True

False

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91. Which RAID use parity? (Multiple Choice)

RAID 5

RAID 1

RAID 0

RAID 3

92. Which of the following statements about the NAS architecture is incorrect?

NAS sharing is based on files.

NAS enables customers to directly share files with the minimum storage management overhead.

NAS does not require multiple file servers.

UNIX and Windows users cannot directly share the same data through NA

93. In flash memory media chip technology, QLC is cheaper than TLC and supports frequent rewriting. SCM (Storage Class Memory, storage class memory) can provide high-speed read and write rates, suitable for server memory.

True

False

94. Regarding the description of the Hyper Clone function, which are correct? (Multiple Choice)

When the business source LUN fails, the data backed up by the Hyper Clone feature can be restored to the business data at any point in time

If the hard disk of the source LUN configured with Hyper Clone has a physical failure, the service can continue to be provided through the split target LUN

In the event of a logical failure of the source LUN, data can be reversely synchronized through the target LUN to restore the business of the source LUN

If there are multiple applications that need to use the business data of the source LUN, you can use the Hyper Clone feature to generate multiple target LUNs for multiple applications

95. Some file types in the computer file system, such as XML, HTML, and Json, can be classified as semi-structured data according to the data type.

True

False

96. The SATA connector can support both SATA and SAS hard disks at the same time.

True

False

97. What state must the LUN migration be before the consistency split is performed?

Migrating

Pause

Normal

Migration complete

98. Which of the following options are not the constituent elements of the SAN architecture?

Server

Back-end storage system

Switch

Router

99. A company purchasing a set of Huawei storage services needs to provide file services while providing block services. Which of the following is correct?

CIFS/NFS are both C/S mode

Support non-domain environment

Support CIFS and NFS deployment on the same network

Support AD domain environment

100. A company needs to make a backup strategy. The company has a small amount of backup data and hopes to back up in a short time and save storage space to the utmost extent.

Which type of backup do you recommend?

Full backup

Cumulative incremental backup

Differential incremental backup

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101. Regarding the disaster recovery drills, which of the following statement is incorrect?

Perform the drills in accordance with the real disaster recovery steps.

Familiarize with the disaster recovery process through disaster recovery, and exercise business recovery capabilities when a disaster strikes

Through disaster tolerance drills, business integrity cannot be checked

Disaster recovery drills are verification and the most effective means to prove the availability of the system

102. When writing 500 bytes of data for RAID 3, if the sector size of the mechanical hard disk in the RAID group is 512 bytes, because the amount of written data is small, data verification is not required.

True

False

103. When creating a hyper clone with hybrid flash memory, a group of hyper clones must be configured.

True

False

104. A device has only one WWNN number, but it can have multiple WWPN numbers.

True

False

105. When the alarm indicator of the lithium battery module shows red (), it means that the module has a fault alarm and the lithium battery module needs to be replaced.

Status

106. () also known as intelligent quality of service control, by dynamically allocating the resources of the storage system to meet the specific performance goals of certain applications. The storage system uses LUN, file system or snapshot-based I/O priority scheduling and I/O traffic management to ensure the operation of critical services.

SmartQoS

107. () is also called a field replaceable unit.

FRU

108. What are the common protocols in SAN networking? (Multiple Choice)

iSCSI

CIFS

NFS

109. In RAID 2.0+, the administrator needs to manually set and specify which hard disks are used as hot spare disks.

True

False

110. In the storage planning and deployment stage, an enterprise has learned that the company's business requires high read and write performance, data redundancy and data recovery capabilities, and hopes to ensure that data can be recovered by one person in the event of a single failure. At the same time, it is required that the utilization rate of the hard disks in the RAID group composed of 6 hard disks is not less than 60%. According to the above requirements, which RAID levels can be selected? (Multiple Choice)

RAID 1

RAID 50

RAID 5

RAID 6

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111. What are the NFS authentication methods? (Multiple Choice)

Global authentication

Local authentication

LDAP authentication

NIS certification

112. Based on Huawei Oceamstor distributed storage, which of the following statements about network plane division is correct?

The arbitration plane is used to communicate with the double arbitration reflexive. The real plane will only be planned when both parties are in the service plan.

The management plane is used for customer application docking to provide an interface for management and maintenance

The replication plane connects the storage node with the disaster recovery site for data synchronization and replication

The BMC plane is used to access the management node and find the MGM1 interface of the storage node to provide transport equipment management functions

113. In Huawei RAID 2.0+, which is the correct description of chunck and extent?

Chunck is the smallest unit for LUN to apply for and release space from the storage pool

Extent is the smallest unit for the storage pool to allocate resources from the hard disk domain

Chunck is the smallest unit of hot data statistics and migration

The extent size of different storage pools can be different, but the extent size in the same storage pool is uniform

114. Which of the following statements about the evolution of storage network architecture is correct?

Users first generated storage requirements due to the increase in data volume, which resulted in the earliest and simplest storage architecture SAN

SAN provides file storage, and its emergence solves the inconvenience of file sharing in the DAS architecture

Compared with DAS architecture, NAS architecture can better provide file sharing services

Distributed storage appeared at the same time as DAS, providing better scalability for DAS architecture

115. Regardless of whether it is a single disc or multiple discs, only one head is allowed to read and write data at a time.

True

False

116. () can shorten the time taken for backup and restore. Throughput is determined by the speed of the storage device, not the processing power of the server, so the system performance will be greatly improved

NDMP

117. In the bank's bill imaging system, structured data is often stored on the SAN array, and unstructured data is stored on the NAS array.

True

False

118. By using the data deduplication feature, the data between each mirror () is deleted, and storage resources are released for storing more business data.

repeat

119. The architecture of the SAS protocol, what is the following interface to the link layer and the transport layer?

Port layer

Link Layer

Transport layer

Physical layer

120. The performance of the controller, front-end and back-end ports can be monitored through Device Manager.

312

True

False

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121. SSD interface type: 4

122. Huawei Dorado is positioned as small and medium-sized enterprises, centralized storage, video surveillance, database applications, etc.

True

False

123. On DeviceManager, which of the following files is used to collect disk un logs, I/O statistics, service life information, and S.M.A.R logs?

Configuration information

Recent logs

DHA run logs

Diagnosis files

124. When using the NFS protocol, adding a client and setting read and write permissions will have an impact on performance.

True

False

125. The data compression feature saves space by deleting data.

TRUE

FALSE

126. Backup is concerned with data recoverability, and disaster recovery is concerned with business continuity.

True

False

127. Which of the following descriptions about DAS is wrong?

DAS is a designated storage device directly connected to the server that uses them.

DAS is divided into internal DAS and external DAS

The hard disk inside the server is not DAS

External DAS can be connected to the server that accesses them through FC protocol or SCSI protocol.

128. Which of the following statements corresponding to RAID 5 and RAID 10 are correct?

The sequential read performance of RAID 5 is lower than that of RAID 10.

With sufficient front-end pressure, the sequential write performance of RAID 5 is higher than that of RAID 10.

The random read performance of RAID 5 is lower than that of RAID 10.

The random write performance of RAID 5 is higher than that of RAID 10.

129. Regarding the snapshot technology, which of the following statement is incorrect?

When rolling back a file system snapshot, you must cancel the shared mount of the source file system

After opening multiple snapshots of the same file system, roll back to one of the snapshots. After the roll-back is completed, all snapshots after the point-in-time when the target snapshot was created will be deleted

When manually creating a snapshot for a file system, if the product specification limit is exceeded, a new snapshot cannot be created for the file system

When creating a periodic snapshot for the file system, the storage system automatically deletes the earliest created snapshot and automatically generates a new snapshot

130. What is the function of using multi-path software? (Multiple choice)

Failure path switching

Load balancing of IO traffic

Failed path recovery

Data recovery

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131. As the core component of a storage system, a controller enclosure accommodates controllers and provides storage services.

True

False

132. Drag questions. Drag the corresponding content before the corresponding description.

文本, 信件

描述已自动生成

133. A company's applications and data have high security requirements. During the inspection, it was found that two NL-SAS hard disks were offline and the data was lost. In order to avoid this situation, it is necessary to complete the RAID configuration and require the utilization of the hard disk. To be greater than 60%, which of the following are eligible? (Multiple Choice)

Use 6+2P hard drives to create RAID 6

Use 4+P hard disk to create RIAD 5

Use 4+2P hard drives to create RAID 6

Use 2+2P hard drives to create RAID 6

134. Among the following backup media, the order of unit capacity price from low to high is:

Tape, CD/DVD, SSD, virtual tape library

CD/DVD, tape, virtual tape library, SSD

Magnetic tape, CD/DVD, virtual tape library, SSD

CD/DVD, SSD, tape, virtual tape library

135. What is the maximum number of NVMe SSDs supported by an OceanStor Pacific 9950 device?

136. When the Meteorological Center needs to store a large amount of satellite pictures and image data, and the amount of data will grow rapidly in a short period of time, due to the elastic expansion of cloud storage, the engineer recommends using the cloud storage platform.

True

False

137. In the Huawei storage system using RAID 2.0+ technology, regarding the difference between Thick LUN and Thin LUN, which of the following descriptions is correct? (Multiple choice)

Allocate storage capacity when Thick LUN is created

When Thin LUN is created, storage capacity is not allocated by default. Storage capacity is allocated only when data is written.

Thin LUNs are more flexible than Thick LUNs and have better performance when reading and writing large IOs sequentially

Thin LUN makes the overall storage space utilization higher

138. Oceanstor dual-controller hybrid flash storage products must ensure that the LUN working controller and the attribution device are consistent in control

True

False

139. Which of the following are the goals of integrating artificial intelligence into storage? (Multiple Choice)

Simple

Efficient

High energy consumption

Easy to use

140. Engineer A configures a snapshot of the business data LUN of the Huawei Ocaenstor hybrid flash memory system. Which of the following steps are correct? (Multiple Choice)

Create a pair of snapshots

Set snapshot description information

Confirm that the snapshot license is within the validity period

Create a snapshot

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141. ANAS storage system has its own file system.

True

False

142. Smart Tier technology discovers large-scale IO active data after running. In order to improve performance, the initial capacity is set to the capacity layer.

True

False

143. Before maintaining a DAS storage device, you need to power off the system.

True

False

144. All-flash memory (such as Huawei Oceanstor) uses the smartMation architecture to realize the front-end and back-end interconnection. The failure of any controller does not affect the normal business.

True

False

145. A device can only have one WWPN, but there can be multiple WWNNs.

True

False

146. According to the storage access rate, which types of storage devices can be divided into? (Multiple Choice)

Nearline storage

Unified storage

Online storage

Offline storage

147. Which of the following is not an IP SAN component?

Storage devices with iSCSI interface

Twisted pair

NIC

FC switch

148. Remote replication technology is a general technology for disaster tolerance. When the primary site suffers a disaster, the secondary site quickly switches services.

True

False

149. NAS is easier to deploy than SAN.

True

False

150. () is the division of the hard disk space in the storage pool into several fixed-size physical spaces, and is the basic unit for forming RAID.

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151. After the host installs the multipath software, which of the following descriptions are correct? (Multiple choice)

LUN is automatically mapped to the host

Assist the operating system to access the same LUN through multiple links to avoid logic errors

Improve link reliability and prevent single link failure, thereby avoiding system failure

Establish a SCSI connection between the host and the storage device

152. Huawei FusionCube is an IT infrastructure platform based on () architecture. FusionCube is no longer a separate computing, network, and storage device, but an integrated device. It realizes the integration of computing, storage, and network resources without additional configuration of storage, network and other resources.

Hyperconvergence

153. Common backup topologies include Lan-Base, Lan-Free, and Server-Base.

True

False

154. Which of the following options does the distributed storage network include? (Multiple Choice)

Management network

Front-end business network

Front-end storage network

Back-end storage network

155. Which of the following descriptions is correct? (Multiple choice)

OceanStor V3 series products support 8 controllers, and the switching plane between the controllers is IP-based Scale-out interconnection

When the control frame of OCeanStor5300 V3 is expanded from 2 controllers to 4 controllers, either direct connection networking or switch networking can be used

In the OceanStor V3 series of new-generation storage products, the back-end loop of the same SAS interface card can be mixed with ordinary disk enclosures and high-density disk enclosures.

OceanStor V3 mid-range storage arrays use IP switches for interconnection, which has cost advantages. PCIe switches are dedicated switches and have relatively high costs. They are mainly used in high-end storage.

156. The CoE protocol means to encapsulate the FC protocol into TCP/IP protocol package and transmit it on the Ethernet.

True

False

157. A company belongs to the fields of banking and finance, with a large amount of business data and high security requirements. Which RAID level is suitable for this company?

RAIDO

RAID 1

RAID 5

RAID 10

158. Which of the following statement about the three iSCSI connection methods is correct?

The connection method of Ethernet card+initiator software does not occupy host resources at all

The connection method of hardware TOE network card+initiator software reduces the pressure on host resources

The iSCSI HBA card completes the TCP/IP protocol conversion without occupying host resources at all

TOE network card completes the conversion of iSCSI packets to TCP/IP packets

159. A snapshot was created at 8:00 am, then the data was modified, m and n were modified, and the snapshot was restored at 9:00 pm, please fill in the status after restoring the snapshot, please drag the corresponding option to the specified Location.

160. Which of the following statements about HyperClone is incorrect?

The target LUN can be read and written during synchronization.

Full synchronization and differential synchronization are supported.

Forward synchronization and reverse synchronization are supported.

Consistency groups are not supported.

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161. What scenarios can RDMA technology be applied to? (Multiple Choice)

Server and storage are interconnected through Infiniband

Data center servers are interconnected through Infiniband

Data center servers are interconnected through ROCE

The storage disk enclosure is connected to the hard disk through ROCE

162. () is the key technology to realize service migration. It can completely migrate the service on the source LUN to the target LUN without interrupting the host service, and make the target LUN completely replace the source LUN to carry the service after the copy is completed.

SmartMigration

163. The InfiniBand interface is used as a front-end host interface in Huawei OceanStor V3 unified storage, which can flexibly support the direct connection and multiple networking modes of switch.

True

False

164. The data replication technology based on the SAN network is a storage area network (SAN) between the front-end application server and the back-end storage system, adding a layer of intelligent switches, the front-end is connected to the server host, and the back-end is connected to the storage device.

True

False

165. Statement 1: FC protocol and FCoE protocol have different operating environments, different operating channels, and the same protocol stack.

Statement 2: FCoE can only run on 10GE, which solves the problem of short FC transmission distance and packet drop in IP network.

Statement 1 is correct, Statement 2 is correct.

Statement 1 is correct, Statement 2 is wrong.

Statement 1 is wrong, Statement 2 is correct.

Statement 1 is wrong, Statement 2 is wrong

166. The main purpose of the SmartMigration feature is to adjust service performance or upgrade equipment to meet user needs by migrating data on LUNs. The implementation process of SmartMigration is divided into two stages, please drag the corresponding stage to the corresponding position.

图片包含图标

描述已自动生成

167. Huawei FusionCube converged compute, network, and storage devices in an out-of-the-box package, eliminating the need purchase extra storage or network resources.

True

False

168. Regarding the description of the hard disk domain in Huawei RAID 2.0+ technology, which of the following statement is incorrect?

A hard disk domain is a group of hard disks

A hard disk can only belong to one hard disk domain

OceanStor V3 storage system can create one or more disk domains

In a disk domain, disks of the same type must be of the same size and rotational speed

169. Regarding the description of pre-copy, which of the following statement is incorrect?

Pre-copy is the process of copying data from the member disk that is about to expire to the hot spare disk

The data to be pre-copy must be calculated and reconstructed

Pre-copy greatly reduces the risk of data loss

Pre-copy requires a hot spare disk

170. Drag the corresponding icon to the corresponding position in the front view of the disk enclosure.

图示

描述已自动生成

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171. Regarding the advantages of DAS, which of the following descriptions is correct? (Multiple choice)

The deployment is simple

Large initial investment

Small network complexity

The configuration is more complicated

172. During the daily inspection, an operation and maintenance engineer found that the storage device was alarming and required quick maintenance. Which of the following operations is wrong?

Check the status of the indicator light and deal with related abnormalities

Check system performance and handle related abnormalities

Check business status and handle related abnormalities

Restart the storage device

173. For a system with high business continuity, the RPO and RTO values should have which of the following characteristics?

RPO is higher, RTO is lower

RPO is lower, RTO is higher

RPO and RTO are both lower

RPO and RTO are both higher

174. The backup software in the backup system is called the backup server.

True

False

175. What is the synchronization cycle time limit for asynchronous remote replication?

1s~144min

3s~144min

1s~300min

3s~300min

176. Which of the following about the data and information is correct? (Multiple choice)

Data is a record that reflects the attributes of objective things, and is the specific manifestation of information

Data refers to information that can be stored and transmitted

Information is data processed to meet the needs of users for decision-making

Data is the sum of information and data redundancy

177. NDMP is a protocol specially designed for the () system of (). It allows the NAS device to directly send the data that needs to be backed up to the connected hard disk device or the backup server on the network, and this process does not require any backup ClientAgent to participate.

NAS device/data backup

178. What are the common time indicators to measure the reliability of a system? (Multiple choice)

Reliability

Effective

average time to failure

average time between failures

179. During the period when the disk cannot be accessed, when writing to the disk, which refactoring method is used?

Full-disk refactoring

Partial refactoring

Restoration reconfiguration

Local refactoring

180. Which of the following descriptions of RAID 10 is correct? (Multiple choice)

RAID 10 is used in scenarios with high requirements for speed and fault tolerance

RAID 10 requires at least 4 member disks

In RAID 10, if two member disks in a subgroup fail, the data is read normally

Data is mirrored and then striped in RAID 10

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181. An e-commerce company has configured the highest priority of I/O for the main online transaction business in the storage system, and the instant messaging and archive services are respectively low and medium priority. At this time, the I/O needs to be written in the same time period 123456 , Among which 3,5 comes from online transaction business, 2,6 comes from instant messaging, 1,4 comes from archiving business, which of the following I/O writing sequence is wrong? (Multiple Choice)

345612

123456

351462

352614

182. The composition of the backup system does not include?

Backup software

Backup media

Backup server

Backup strategy

183. A company is considering migrating part of its business from the old storage to the new Huawei distributed storage during the IT architecture upgrade. Which of the following is correct?

Distributed storage nodes can use existing storage disk enclosure equipment

10GE network can be used for the distributed storage node business network

The back-end storage network of distributed storage nodes can use the existing GE network

Distributed storage nodes need to be configured with coffer disks

184. PCIE is a high-performance and high-bandwidth serial communication interconnection standard to replace the bus-based communication architecture. It follows the existing PCI concepts and signal standards, and builds a higher-speed serial communication system standard.

True

False

185. Meaning of each indicator light

186. The FCoE protocol is () protocol that functions directly on the enhanced lossless Ethernet infrastructure.

Transmission of Fibre Channel signals

187. The difference between DAS and SAN, which of the following descriptions is wrong?

SAN redundant networking provides higher reliability

DAS and SAN are both external storage, so storage resource sharing can be easily realized

DAS is suitable for small and medium LAN environments with only a few servers

SAN is suitable for medium and high-end storage application environments, such as critical databases, centralized storage, large-scale storage, backup and disaster recovery scenarios

188. The Hyper Clone of the Huawei Ocean Stor hybrid flash storage system is a data protection value-added feature. After the Hyper Clone is created, the data of the target LUN needs to be synchronized in the background before the target LUN can be read and written.

True

False

189. Storage architecture is developing from distributed to centralized.

True

False

190. Which CLI shortcuts are correct? (Multiple Choice)

page up and page down two keys are the previous page and the next page

Q is the exit instruction manual

R is the view command

A is to view command parameters

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191. The RPO in the disaster recovery system measurement indicators is used to measure the business recovery capability of the disaster recovery system

True

False

192. Which item is correct in the description of distributed storage nodes based on Huawei's DCeanstor distributed storage such as Huawei oceanstor 1000?

The nvme interface solid state drive is used in the full flash node

The FC interface mechanical hard disk is used in the performance medium node

The FC interface solid state drive is used in the performance medium node.

The nvme interface mechanical hard disk is used in the capacity node

193. Which of the following descriptions about RAID technology is correct? (Multiple choice)

Not every RAID technology can improve write performance

In RAID 0, multiple hard drives are accessed at the same time (parallel access), speeding up data access performance

Current RAID technology only uses parity check mechanism to protect data

The performance of all RAID levels increases linearly as the number of member disks increases

194. In an enterprise IP SAN network, the host resource occupancy rate is always high. After investigation, it is found that the Initiator software in the host occupies a large amount of resources to complete the conversion of iSCSI packets to TCP/IP packets. The enterprise engineer proposed several types of storage Network upgrade solutions, which of the following solutions can solve the above problems? (Multiple Choice)

Expansion of storage devices

Upgrade NIC card to TO ENIC card

Upgrade 10GE network to 25GE network

Upgrade NIC card to iSCSI HBA card

195. () is integrated into the operating system and requires no additional software. It only sends a little redundant information, so it has higher transmission efficiency than NFS.

CIFS

196. Which of the following storage services are supported by Huawei scale-out storage products?

Block service

File service

Object service

HDFS service

197. () in order to solve the problem of poor scalability of DAS, the storage device is networked, and hundreds of servers can be connected at the same time.

FC SAN

198. Regarding PCIe Lcale-Out and IP Scale-Out, which of the following are correct? (Multiple Choice)

PCIe Lcale-Out can support iWARP technology

PCIe Lcale-Out can support Ethernet protocol

PCIe Lcale-Out is Lcale-Out technology built on PCIe protocol, IP Lcale-Out is based on IP protocol

PCIe Lcale-Out integrates PCIe channels and RDMA technology to achieve controller service exchange

199. In RAID 2.0+,which of the following is the minimum granularity to allocate storage space in thin LUN mode

Chunk

Chunk Group

Extent

Grain

200. The following are two statements about cloud computing:

Statement 1: A deployment model of cloud computing is to divide a large physical server into multiple small virtual machines.

Statement 2: A deployment model of cloud computing is to aggregate multiple small physical servers into one large host.

Both Statement 1 and Statement 2 are correct

Statement 1 is correct, Statement 2 is wrong

Statement 1 is wrong, Statement 2 is correct

Both Statement 1 and Statement 2 are wrong

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201. The iSCSI protocol can be transmitted through the optical fiber network, and the transmission distance is almost unlimited. The iSCSI protocol is limited by the SCSI protocol and can run on the Ethernet.

True

False

202. () refers to reducing the storage space by reorganizing the data and reducing the amount of data to improve the transmission, processing and storage efficiency of the storage system without losing information.

SmartCompression

203. A data center is an infrastructure built to access and carry server services. According to the business, the data center can be divided into ________. (Multiple choice)

Cloud Data Center

Enterprise Data Center

Carrier Data Center

Internet Data Center

204. The disadvantage of a full backup is that it must rely on the last full backup and the current differential backup to restore the data completely.

True

False

205. The RTO=0 and RPO=0 of the disaster recovery center in the same city.

True

False

206. The structure of mechanical hard disk roughly includes: disk, magnetic head arm, read/write magnetic head, spindle, hard disk interface and control circuit, etc. Drag and drop the corresponding name into the corresponding box.

207. The DAS storage network architecture must be built using additional switches and routers.

True

False

208. Data processing includes the following basic steps: input, processing, and output. Which of the following options belong to the processing steps? (Multiple Choice)

Enter calculation data into the database

Calculate salary based on employee attendance records

Calculate the current month's sales summary based on the sales order

Print employee's salary receipt

209. Drag questions. According to the NGN architecture, please drag and drop the following corresponding devices to the hierarchical structure to which they belong.

210. The NAS engine and the storage unit are interconnected by an Ethernet switch.

True

False

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211. The SmartMigration feature implements service () migration from source LUNs to target LUNs through service data synchronization and splitting.

Complete

212. Which of the following options belong to the form of data? (Multiple Choice)

Text

Video

Sound

Image

213. Taking Huawei Oceanstor hybrid flash memory device as an example, when any Ethernet port in the binding port fails, IP drift technology will be applied.

True

False

214. Regarding the description of eSight, which of the following statements are correct? (Multiple Choice)

eSight adopts a componentized architecture, customers can choose the required components according to their own situation

eSight supports unified management of Huawei servers, storage, virtualization, switches, routers, WLAN, firewalls, etc.

eSight adopts B/S architecture

eSight only supports the management of Huawei devices

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