Huawei Huawei Certifications H12-831 Questions & Answers

• Question 241:

  According to this diagram, can we break the A. system-IDforee8c.a0c2.baf2The device' whose type isLevel-1

  

  

  B. system-IDforee8c.a0c2.baf2device whose type isLevel-1-2

  C. R4belong only toLevel-1

  D. R4dry onlyLevel2

  Correct Answer: BC

• Question 242:

  In the same environment, engineers A and B execute the tracert command. The destination addresses are the same, but the paths are different. What are the possible reasons?

  

  A. The phenomenon is abnormal, the device has an operating system failure

  B. Engineer A's operation error

  C. Engineer B's operation error

  D. The destination port numbers of the UDR packets serving tracert are different, and the hashes reach different equivalent next hops.

  Correct Answer: D

• Question 243:

  If you want to check the files under Flash, which command should you use?

  A. dir sdl:

  B. dir sdO:

  C. display patch-information

  D. dir flash:

  Correct Answer: D

• Question 244:

  Which of the following statements about LDP Label Retention - Free Way is true:

  A. Requires more memory and tab space

  B. Keep all labels distributed by neighbors

  C. Only keep labels from next-hop neighbors and discard all labels from next-hop neighbors

  D. Save memory and label space

  Correct Answer: AB

• Question 245:

  When 0SPFV2 evolves to 0SPFV3, the LSA format and function are exactly the same, but the network layer in the LSA address from IPv4 to IPv6.

  A. True

  B. False

  Correct Answer: B

• Question 246:

  What is the Router-ID of OSPFv3?

  A. 100bit value

  B. 128bit value

  C. 32bit value

  D. 64bit value

  Correct Answer: C

• Question 247:

  Which of the following options is incorrect:

  A. Created by assigning labels staticallyLSPIt can also be dynamically adjusted according to changes in network topology, without administrator intervention.

  B. The principle to be followed when manually assigning labels is: the value of the outgoing label of the upstream node is the value of the incoming label of the downstream node

  C. LSPstaticLSPand dynamicLSPtwo kinds. staticLSPManual configuration by administrator, dynamicLSPthen use Dynamic establishment of label protocol

  D. dynamicLSPDynamically established through the label publishing protocol, such asMP- BGP, RSVP-TE, LDP

  Correct Answer: C

• Question 248:

  For the same MA, C address, manually configured MA, C entries have higher priority than automatically generated entries.

  A. True

  B. False

  Correct Answer: A

• Question 249:

  Network administrator A wants to use AS-Path Filter to match the BGP routing attribute AS_PATH[100200300]. Network administrator A sorts out the four configurations in the figure. Which of the following configurations can meet the requirements of network administrator A?

  

  A. way A

  B. way D

  C. WayC

  D. way B

  Correct Answer: AD

• Question 250:

  About the difference between NSR and NSF, which is correct?

  A. NSF must rely on neighbor routers to complete

  B. Both NSR and NSP require neighbor routers to complete

  C. NSR must rely on neighbor routers to complete

  Correct Answer: B