Huawei Huawei Certifications H12-831 Questions & Answers

• Question 171:

  The Router LSA of a router is shown in the figure. Which of the following statements is wrong?

  A. of this routerRouter IDfor10.0.12.1

  B. This router isDR

  C. This router has established an adjacency relationship

  D. This router supports external route import

  Correct Answer: B

• Question 172:

  As shown below:

  

  A. in the pictureLSAis generated by this router

  B. ShouldLSAThe described destination network is10.0.23.0/24

  C. ShouldLSAis of typeAS-extermal-LSA

  D. This device isA, BR

  Correct Answer: B

• Question 173:

  Which of the following BGP routing attributes cannot control BGP routing?

  A. MED

  B. AS Path

  C. Community

  D. Originator ID

  Correct Answer: C

• Question 174:

  As shown in the figure, the operator's BGP/MPLS IP VPN backbone network builds SP through DP. If you want to implement user X.

  If the two sites communicate through the BGP/MPLS IPVPN network, PE1 and PE2 must use a 32-bit masked loopback interface address to establish an MP-IBGP peer relationship.

  A. True

  B. False

  Correct Answer: A

• Question 175:

  As shown in the figure, an engineer uses 4 routers to test branch network interoperability. Among them, R1, R2, and R3 in branch 1 deploy OSPF to implement network interoperability. R2, R3, and R4 in branch 2 deploy IS-S to implement network interoperability. Now the engineer wants to implement R1 to access the loopback interface address of R4. Which of the following operations can meet this requirement?

  

  A. existR2ofOSFFprocess neutralizationIS-ISDuring the process, the default route is advertised separately

  B. No configuration required

  C. only atR2ofIS-ISDuring the process, the default route is advertised

  D. only atR2ofOSPFDuring the process, the default route is advertised

  Correct Answer: A

• Question 176:

  When troubleshooting a network, if you need to confirm the business traffic path, which of the following may need to be done ()

  A. Confirm data link layer service traffic path

  B. Confirm the network layer service traffic path

  C. Investigate service traffic path planning in the network design phase

  D. Confirm the frequency of failure

  Correct Answer: ABC

• Question 177:

  According to this picture, we can judge? display ospf Isdb router self-originate OSPF Process 1 with Router ID 10.0.12J Area: 0.0.0.0 Type:Router Lsid: 10.0.12 J Adv rtr: 10.0.12.1 Ls age: 312 Len: 36 Options : A, BR E \seq#:80000013 1chksum : 0xc61c

  ILink count: 1 1* Link ID: 10.0.12.2 IData : 10.0.12.1 ,Link Type: TransNet .Metric : 1

  A. R1ofsystem IDYesee8c.a0c2.bafl

  B. R1existinglevel", andlevel-1-2Dimensional state information of

  C. R1onlylevel-2link state information

  D. Ds level-2In the network, there are a total of8Tailu Electric

  Correct Answer: A

• Question 178:

  There is a concept of forwarding equivalence class (FEC-Fowarding Equivalence Class) in MPLS, so FEC does not. Can the allocation be made based on which of the following criteria?

  A. Service type(Class of Service) BsFragment offset (Fragment office)

  B. Application protocol(Application Protocol)

  C. target address(Destination Addess)

  Correct Answer: B

• Question 179:

  As shown in the figure, OSPF is enabled on all the routers. The IP address marked in the figure is the IP address of the loopbackO interface of the device. The LoopbackO of R1 and R2 is advertised in area 1, the LoopbackO of R4 is advertised in area 0, and the LoopbackO of R3 and R5E is advertised in area 0. In area 2, which of the following IP addresses can ping each other?

  

  A. 10.0.2.2and10.0.3.3 (Non-backbone area received3class received does not count)

  B. 10.0.3.3and10.0.5.5 (same area1kind)

  C. 10.0.4.4and10.022 (normal calculation3kind)

  D. 10.022and10.0.5.5 (Non-backbone area received3class received does not count)

  Correct Answer: BC

• Question 180:

  Which of the following actions may affect the normal operation of the customer's network?

  A. Device naming

  B. software upgrade

  C. Hardware expansion

  D. Routing Protocol Configuration Changes

  Correct Answer: BCD