Huawei H12-831-V1-0 Exam Questions

Questions for the H12-831-V1-0 were updated on : Jul 16 ,2024

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Question 1

In OSPFv3, an LSA whose propagation range is one area has_____kind. (Fill in Arabic numerals only)

Answer:

9

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Question 2

BFDLink state detection at the heart (millisecond) level can be achieved.

  • A. right
  • B. wrong
Answer:

A

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Question 3

Which of the following statements about the multicast address used by 0SPFv3 is correct?

  • A. DR routers use FF08::6
  • B. All 0SPF routers use FF08: 5
  • C. All 5PF Routers use FF02:5
  • D. DRThe router uses FF02::6
Answer:

C, D

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Question 4

by executing___________The command can completely isolate the second and third layer users of
different ports on the same LAN and cannot communicate. (Please use English and lowercase letters
to complete the command, and the command cannot be abbreviated)

Answer:

(port-isolate
enable)


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Question 5

Which of the following operations is not part of the middle stage of dissection?

  • A. field defense
  • B. cutover implementation
  • C. Cutover preparation
  • D. business test
Answer:

D

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Question 6

CutoverThe previous information collection can be used to determine whether the services before
and after the cutover are normal.

  • A. right
  • B. wrong
Answer:

A

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Question 7

BGP authentication can prevent illegal routers from establishing neighbors with BGP routers. BGP
authentication can be divided into ID5 authentication and Keychain authentication. Which of the
followingBGP packets will carryBGPKeychain authentication information?

  • A. Open
  • B. Keepalive
  • C. Update
  • D. Notification
Answer:

A, B

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Question 8

In the topology shown in the figure, the entire network runsOSPFv3agreement inNoIn the case of
attracting external routes,R1which type ofLAS?

  • A. Intra-Area-Prefix-LSA
  • B. Link-LSA
  • C. Inter-Area-Router LSA
  • D. Inter-Area-Prefix-LSA
Answer:

C

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Question 9

How many bits are there in the label field of PLS?

  • A. 1
  • B. 8
  • C. 3
  • D. 20
Answer:

D

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Question 10

As shown in the figure, SF is enabled on all interfaces of the router, the cost value of the link is
marked in the figure, and the Loopback0 interface of R2 is advertised in area 1, then the cost value of
R1 reaching 10.0.2.2/32 is?

  • A. 100
  • B. 150
  • C. 50
  • D. 200
Answer:

D

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Question 11

An engineer uses two routers to test IPv6 services, and runs 0SPFv3 to implement IPv6 network
interconnection. R1 is required to be able to access the loopback interface address of R2. The
engineer checked the OSPFv3 routing table entry of R1, as shown in the figure, and found that there
was no route to the loopback interface address of R2. Which of the following reasons could not be
the cause?


  • A. R2 advertises the loopback interface into different OSPFv3 processes
  • B. R2 does not have 0SPFv3 enabled on the loopback interface
  • C. R2 does not use network to advertise loopback address in area 0
  • D. R2 is not configured with the Router ID used in the OSPFv3 process
Answer:

B

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Question 12

aboutOSPFWhich of the following statements is false?

  • A. For a pair of additional 0hers on an Ethernet link, it is normal to stop clearing in the 2-72 state
  • B. Stalling in ExStart state may be a bad match between neighbor routers
  • C. stagnantINThe it state indicates that the router has received the neighbor'sHello message. butHell messagedoes not include this routerOSPF Router ID
  • D. The two router databases are synchronized, SPFAn error occurred in the calculation, it must be because of the RouterID repeated
Answer:

A

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Question 13

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.
Answer:

D

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Question 14

Which of the following is included in the routine collection of basic equipment information?

  • A. License information
  • B. Patch information
  • C. The software version the device is running
  • D. Whether the configuration is saved
Answer:

A, B, C, D

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Question 15

According to this picture, we can judge that R4 is on?

  • A. 1 default route
  • B. 2 equal-cost default routes
  • C. 2 default routes with different costs
  • D. 4 equivalent default routes
Answer:

B

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