Huawei H12-891 Online Practice Questions and Exam Preparation

Huawei H12-891 Online Questions & Answers

• Question 691:

  As shown in the topology diagram, all router interfaces in the figure have ISIS enabled. Which of the following statements is correct? (Choose three)

  

  A. If R1's Ethernet0/0/0 interface goes down, R2 becomes the master device
  B. If R1's Ethernet0/0/1 interface goes down, R2 becomes the master device
  C. If R3's GE0/0/0 interface goes down, R2 becomes the master device
  D. If R3's Ethernet0/0/0 interface goes down, then R2 becomes the master device
  A. If R1's Ethernet0/0/0 interface goes down, R2 becomes the master device
  B. If R1's Ethernet0/0/1 interface goes down, R2 becomes the master device
  C. If R3's GE0/0/0 interface goes down, R2 becomes the master device

• Question 692:

  When running OSPFv3 on a Huawei router, the OSPFv3 process automatically select an interface address as the process router ID.

  A. True
  B. False
  B. False

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  Explanation

• Question 693:

  A router Router-LSA is shown below. Which of the following statements is incorrect?

  display ospf lsdb router self-originate

  OSPF Process 1 with Router ID 10.0.12.1 Area: 0.0.0.0

  Type: Router Ls id 10.0.12.1 Adv rtr : 10.0.12.1 Ls age 312 Len 36

  A. This router is a DR
  B. This router has established an adjacency relationship
  C. This router supports external route ingestion
  D. The Router ID of this router is 10.0.12.1
  A. This router is a DR

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  Explanation

• Question 694:

  An LSR supports various label retention modes. Which of the following statements regarding the liberal mode are correct? (Choose two)

  A. This label retention mode saves the memory and label space.
  B. An LSR retains labels from a neighboring LSR only when the neighbor is its next hop.
  C. An LSR reserves all labels distributed by its neighbor.
  D. Liberal mode allows the device to retain labels from all LSRs, not just the next hop.
  C. An LSR reserves all labels distributed by its neighbor.
  D. Liberal mode allows the device to retain labels from all LSRs, not just the next hop.

• Question 695:

  Command *ip as-path-filter 1 permit ^12.74$ can match which AS_PATH?

  A. AS_PATH (32 112 23 74)
  B. AS_PATH (123 6217 2374)
  C. AS_PATH (125 328 74 23)
  D. AS_PATH (32 127 423)
  B. AS_PATH (123 6217 2374)

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• Question 696:

  Which of the following descriptions about the characteristics of cross-domain VN-Optionc are correct? (Choose two)

  A. A maximum of two layers of tags need to be used in the message forwarding process.
  B. VPMV4 routes are not saved on the ASBR, and VPNv routes are not advertised to each other.
  C. VPN routes are exchanged directly between the ingress PE and egress PE and do not require an intermediate device to secure a circular VPN route.
  D. Cross-domain VN-Optionc, which is not suitable for use when spanning multiple AS.
  B. VPMV4 routes are not saved on the ASBR, and VPNv routes are not advertised to each other.
  C. VPN routes are exchanged directly between the ingress PE and egress PE and do not require an intermediate device to secure a circular VPN route.

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  Explanation

• Question 697:

  BGP routing policies can be used to control the advertisement and acceptance of routes.

  A. TRUE
  B. FALSE
  A. TRUE

• Question 698:

  Huawei Open Programmability System (OPS) provides openness and programmability capabilities for network devices and enables users to perform secondary development. To facilitate script completion, Huawei OPS provides the Python script template in which the OPS Connection class is created. The member function for creating device resources is def post (self, uri, req_data).

  A. TRUE
  B. FALSE
  A. TRUE

• Question 699:

  In Rapid Spanning Tree Protocol (RSTP), which port provides a backup path to reach the root node of the spanning tree, and what state is the port in?

  A. Root Port in Listening State
  B. Alternate Port in Forwarding State
  C. Alternate Port in Learning State
  D. Designated Port in Listening State
  E. Alternate Port in Discarding State
  E. Alternate Port in Discarding State

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  Explanation

• Question 700:

  Which of the following parameters should be modified to re-establish the IS-IS neighbor relationship? (Choose two)

  A. Modify the Cost value of the IS-IS interface
  B. Modify the send interval for the IIH of the IS-IS interface
  C. Modify the Level of the IS-IS interface
  D. Modify the IP address of the IS-IS interface
  C. Modify the Level of the IS-IS interface
  D. Modify the IP address of the IS-IS interface

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