Huawei HCIE-Datacom V1.0 H12-891_V1.0-ENU Free Material

Jonnie Karnath2023-07-19T06:19:04+00:00

Huawei HCIE-Datacom V1.0 H12-891_V1.0-ENU is a certification exam for network professionals who want to validate their knowledge and skills in the field of data communication. This exam tests your ability to design, configure, troubleshoot, and manage enterprise-level data communication networks. To best prepare for this exam, you can use Certspots Huawei HCIE-Datacom V1.0 H12-891_V1.0-ENU Free Material. Certspots provides free sample questions online to help you test yourself and get familiar with the exam format before taking the actual test. With the help of Certspots Huawei HCIE-Datacom V1.0 H12-891_V1.0-ENU Free Material, you can prepare for the exam more effectively and increase your chances of passing. The material is designed to cover all the topics in the exam and provide you with the knowledge and skills you need to succeed.

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1. As shown in the figure, to enable hosts on network segment 10.0.1.0/24 to unidirectionally access 10.0.4.0/25 through virtual system a (vsysa) and virtual system b (vsysb), which of the following commands need to be run to configure routes?

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Run the ip route-static vpn-instance vsysa 10.0.4.0 255.255.255.0 vpn-instance vsysb command in virtual system a.

Run the ip route-static 10.0.1.0 255.255.255.0 10.1.2.1 command in virtual system a.

Run the ip route-static 10.0.4.0 255.255.255.0 10.0.34.4 command in virtual system b.

Run the ip route-static vpn-instance vsvsb 10.0.1.0 255.255.255.0 vpn-instance vsysa command in virtual system b.

2. DHCP snooping is a security feature of DHCP that prevents DHCP servers and clients from being attacked.

Which of the following statements about DHCP snooping are correct?

After DHCP snooping is enabled on a switch, you need to configure the interface that receives DHCP messages from a DHCP server as a trusted interface.

The device discards messages, such as DHCP ACK and DHCP Offer messages, received on untrusted interfaces from a DHCP server.

A DHCP snooping-enabled device listens to DHCP messages and records client information obtained from DHCP Offer messages.

When the interface directly connected to a DHCP client goes Down, the corresponding DHCP snooping entry does not disappear until the IP address lease of the DHCP client expires.

3. In HQos scenarios, which of the following queue scheduling modes can be used for flow queues and subscriber queues?

WFQ

WFQ+PQ

WFQ+WRR

4. On the network shown, an engineer uses two routers to test IPv6 services by running BGP4+ to simulate the communication between the enterprise headquarters and a branch. The engineer checks an Update message sent by R1.

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Which of the following statements about the message information is correct?

The route described in the message may be imported using the import command.

The message describes a withdrawn IPv6 route.

The next-hop address of the route described in the message is 2001:db8.2345.1::1.

The route address prefix (including the prefix length) described in the message is 2001:db8:.2345:1:1/128.

5. In the Huawei Cloud Campus Solution, which of the following deployment modes are supported by Huawei switches?

CLI

Web interface

Huawei registration center

DHCP Option 148

6. Which of the following causes may result in a BGP peer relationship fault?

An ACL is configured to disable TCP port 179.

The peer router ID conflicts with the local router I

The peer ebgp-max-hop command is not configured when loopback interfaces are used to establish the EBGP peer relationship.

The peer connect-interface command is not configured when loopback interfaces are used to establish the BGP peer relationship.

7. Assume that a company's headquarters network and branch networks are connected through the Internet.

Which of the following VPN technologies is most capable of ensuring secure and reliable data transmission between the headquarters and branches?

SSL VPN

IPsec VPN

L2TP VPN

MPLS VPN

8. Assume that the SRH of an SRV6 packet has five segment IDs.

When the packet reaches the third router on the forwarding path, which segment ID will the node use as the IPv6 destination address?

Uncertain

9. Which of the following Internet access modes can be used to implement centralized security control over Internet access traffic?

Local Internet access

Centralized Internet access

Hybrid Internet access

Priority-based Internet access

10. On a VXLAN campus network, which of the following resources can be invoked for VNs?

Network service resource

IP address segment and VLAN of terminal users belonging to the VN

External network

Wired access ports and/or wireless access devices

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11. Which of the following security protection actions is not used to safeguard MAC addresses?

Restrict

Protect

Re-mark

Shutdown

12. In BGP4+, what is the content of the next hop network address field carried in the MP_REACH_NLRl attribute of an Update packet?

It must be a link-local address.

It must be a global unicast address.

It can be only a link-local address.

The link-local address and global unicast address can be carried at the same time.

13. Which of the following user logout modes are supported by 802.1X authentication?

A user logs out manually.

An access device forces a user to log out.

An authentication server forces a user to log out.

An accounting server forces a user to log out

14. Which of the following is the drop probability of packets exceeding the upper threshold in WRED?

0.2

0.5

0.8

15. The major routing policy tools available to BGP include the ﬁlter-policy and route-policy. The ﬁlter-policy can only be used to ﬁlter routes, and the route-policy can only be used to modify routes.

True

False

16. For telemetry data push, data can be transferred between devices and collectors using the TLS protocol. TLS must be conﬁgured for data encryption if data is pushed based on gRPC.

True

False

17. Which of the following steps is not mandatory when manually configuring an OSPF-based SR- MPLS BE tunnel?

Enable MPLS globally.

Configure the LSR ID for routers.

Enable segment routing globally

Configure the adjacency SID for each link.

18. On a CloudCampus virtualized campus network, virtual networks are deﬁned based on services. Each virtual network corresponds to a service, and isolation needs to be manually conﬁgured between virtual networks.

True

False

19. Which of the following deployment modes are recommended for LAN-side APs on small and midsize campus networks based on the Huawei Cloud Campus Solution?

Deployment through the registration query center

Email-based deployment

DHCP option-based deployment

CLI-based deployment

20. In the SSH algorithm negotiation phase, the SSH server and client exchange the list of algorithms that they support. The list of symmetric encryption algorithms of the SSH server is as follows: aes256-ctr, aes192-ctr, aes128-ctr, and aes256-cbc. The list of symmetric encryption algorithms of the SSH client is as follows: aes128-ctr, aes192-ctr, aes256-ctr, and aes256-cbc.

Which of the following symmetric encryption algorithms can be used by both the SSH server and client?

aes256- ctr

aes192- ctr

aes128- ctr

aes256- cbc

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21. Anetwork runs SR-MPLS. R1 needs to access R7, and is label stack is as shown in the figure.

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Which of the following paths can be used by R1 to access R7?

R1-R2-R4-R6-R7

R1-R2-R4-R5-R7

R1-R3-R5-R7

R1-R2-R4-R6-R7 and R1-R2-R4-R5-R7 (load balancing)

22. Which of the following statements about IKEv1 are correct?

IKE SAs are established in IKE phase 1 through negotiation.

IPsec SAs are established in IKE phase 2 through negotiation.

IKE phase 1 supports two negotiation modes: main mode and aggressive mode.

IKE phase 2 supports two negotiation modes: quick mode and slow mode.

23. The following figure shows the inter-AS PLS VTN Option C (solution 2). RRs are deployed, and no traffic passes through the RRs during forwarding.

If a data packet sent from PE2 to 192.168.1.1 carries two labels, which of the following statements about the two labels are correct?

V1 is allocated by PE1.

T1 is allocated by RR2.

T1 is allocated by P2.

V1 is allocated by P2.

24. SSH must be conﬁgured before you can enable NETCONF on Huawei network devices.

True

False

25. Which of the following deployment modes are recommended for LAN-side APS on small and midsize campus networks based on the Huawei CloudCampus Solution?

Deployment through the registration query center

Email-based deployment

DHCP option-based deployment

CLI-based deployment

26. Which of the following is used to implement inter subnet communication on a VXLAN network and allow access from a VXLAN network to an external non VXLAN network?

VLANIF inter face

NVE interface

Layer 2 VXLAN gateway

Layer 3 VXLAN gateway

27. For the same MAC address, a manually conﬁgured MAC entry has a higher priority than an automatically generated MAC entry.

True

False

28. What is the largest number of CPEs that a site can support in the Huawei SD-WAN Solution?

A. 1

A. 0

B. 2

C. 3

D. 4

29. In 6PE and 6VPE networking, no VPN instance needs to be created on PEs.

True

False

30. SR-MPLS uses the MPLS forwarding plane, and therefore requires MPLS to be enabled.

Which of the fowling con tons must be met or MPLS to be automatically enabled on an interface?

Segment routing is enabled for IGP, and IGP is enabled on the interface.

The static adjacency label of the corresponding interface is configured in the segment routing view.

Segment routing is enabled in the system view.

The SRGB is configured for the IGP process.

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31. gRPC is a language-neutral, platform-neutral, and open-source remote RPC system and supports the service methods of unary RPCs and streaming RPCs.

Which of the following service methods are not supported by gRPC?

rpc Cancel (CancelArgs) retums (CancelReply) {};

rpc Subscribe (SubsArgs) stream retums (SubsReply) {};

rpc stream LotsOfGreelings (HelloRequest) returns (HelloResponse) {};

rpc dataPubhsh (stream serviceArgs) retums (stream serviceArgs) {};

32. Portal authentication is recommended for scenarios with high mobility and numerous terminal types, such as shopping malls and supermarkets. MAC address authentication is recommended for dumb terminals that do not support Portal authentication, such as printers, fax machines, and IP phones.

True

False

33. Which of the following are components of Huawei CloudCampus Solution?

iMaster NGE-Campus

iMaster NCE-CampusInsight

GloudEngine S series switches5

NetEngine AR series routers

34. Fabric nodes need to be planned during fabric design on a CloudCampus virtualized campus network.

Which of the following statements about node planning on a fabric is incorrect?

It is recommended that core devices be deployed as border nodes, and access or aggregation devices be deployed as edge nodes.

It is recommended that access devices be deployed as edge nodes to implement end-to-end automatic VXLAN deployment.

When the fabric needs to connect to two external networks located in different physical locations, two border nodes need to be deployed.

If a BGP EVPN RR is required on a VXLAN network, BGP peer relationships need to be established between edge nodes and border nodes and between edge nodes.

35. If the ipv6 enable topology standard command is run in the IS-IS view, IPv4 and IPv6 share the same topology.

True

False

36. On a medium-sized network configured with BGPR, two RRs are typically deployed to improve BGP RR reliability. Typically, the cluster IDs of the two RRs are set as the same.

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Which of the following is the reason for that?

To prevent loops.

To prevent sub-optimal routes.

To prevent memory insufficiency caused by receiving too many routes on RRs.

To prevent memory insufficiency-caused by receiving too many routes on clients.

37. In a scenario where a VXLAN tunnel is dynamically established through BGP EVPN, BGP EVPN advertises the MAC address of a host to the remote VTEP through a Type 5 route.

True

False

38. Which of the following statements is incorrect about configuring fabric access management on iMaster NCE-Campus?

Create a server template and then an authentication template.

only one authentication mode can be specified in an authentication template.

iMaster NCE Campus can function as a RADIUS server or Portal server.

Authentication templates need to be bound to wired and wireless access points.

39. On a CloudCampus virtualized campus network, virtual networks are defined based on services. Each virtual network corresponds to a service, and isolation needs to be manually configured between virtual networks.

True

False

40. What can be determined from the following figure?

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A No IS-IS routes exist in R1's IP routing table.

B. Six IS-IS routes exist in R1's IP routing table.

C. The route whose destination is 172.16.1.4/32 does not exist on R1.

D. The route whose destination is 172.16.1.4/32 exists on R1.

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41. If network administrator A wants to use an ACL to match only routes 1, 3, 5, and 7 shown in the following figure, what is the minimum number of ACL rules that must be configured?

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A 1

B. 2

C. 3

D. 4

42. Which of the following statements about HTTP packets are correct?

The start line in an HTTP request packet describes the execution result and the response packet describes the operation to be performed

The header fields are used to supplement additional information about the HTTP request and response.

The body of an HTTP request packet is the data to be sent from the client to the web server.

The body of the HTTP response packet is the data to be returned by the web server to the client.

43. Huawei Open Programmability System OPS provides openness and programmability capabilities for

network devices and enables users to perform secondary development. To facilitate script compilation, Huawei OPS provides the Python script turnplate.

Which of the following statements about the Python script template are correct?

The OPS Connection class is used to invoke RESTful APIs. This class defines methods for establishing HTTP connections. You do not need to modify the methods.

The initialization method of the OPS Connection class is def_init_(self, host, port=80.When the OPS Connection class is initialized in the main) function, the host parameter needs to be set to the IP address of the management interface of the network device to be managed.

Users need to search for the corresponding URI and the XML content of the HTTP packet body in the RESTful API Reference based on the managed object to be accessed, and modify the Python scrip template accordingly.

The OPS Connection class has four methods. create, delete, set and get which encapsulate the PUT, DELETE, POST, and GET methods of HTT

By Jonnie Karnath Huawei Free Dumps H12-891_V1.0 free material, H12-891_V1.0-ENU, HCIE-Datacom V1.0 0 Comments

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