Huawei H12-831 Online Practice Questions and Exam Preparation

Huawei H12-831 Online Questions & Answers

• Question 221:

  On the OSPF network shown in the figure, area 1 is a stub area, area 2 is a totally stub area, and area 3 is an NSSA. Which of the following LSAs does not exist in areas 1, 2, and 3?

  

  A. Type 2
  B. Type 4
  C. Type 1
  D. Type 3
  B. Type 4

• Question 222:

  Regarding BGP/MPLS IPVPN routing interaction, which of the following descriptions is wrong?

  A. ExportPEable to passBGP,IGPor static routing to the remoteCEsendIPv4routing
  B. ExportPEupon receiving the entrancePEpostedVPNv4After routing, according to the route carriedRTproperty, yes VPNv4route to filter
  C. PEandCEthe interaction isIPv4routing information
  D. EntrancePEwill be fromCEreceivedIPv4route becomesVPNv4routing, and vary according toVPNsave the instance
  A. ExportPEable to passBGP,IGPor static routing to the remoteCEsendIPv4routing

• Question 223:

  On an enterprise network shown in the figure, if CE2 is dual-homed to PE2 and PE3, a routing loop may occur during the exchange of Type 5 LSAs (External LSAs in OSPF). To prevent the loop, the route-tag command can be run on PE2 and PE3.

  In this way, if the route tag of the route received by PE3 is the same as that configured locally, the route is ignored.

  

  Is this statement True or False?

  A. TRUE
  B. FALSE
  A. TRUE

• Question 224:

  As shown below:

  

  A. R3andR1ofIS-LevelMismatch
  B. R3andR1different area codes
  C. R3andR1ofIIHAuthentication failed
  D. R3andR1ofSystem
  C. R3andR1ofIIHAuthentication failed

• Question 225:

  The following description of TL in PLSHeader is correct:

  A. Limit the LSR
  B. Control of upstream equipment for label distribution
  C. Similar to the TTL in the IP header, it is used to prevent packet loops
  D. To control label distribution
  C. Similar to the TTL in the IP header, it is used to prevent packet loops

• Question 226:

  According to this picture, Xinmen can be judged?

  

  A. R1access172.16.1.4.need to go through2hop router
  B. R1access172.16.1.4,need to go through4hop router
  C. R1access172.16.1.4have2an equivalent path
  D. R1access172.16.1.4have4an equivalent path
  A. R1access172.16.1.4.need to go through2hop router
  C. R1access172.16.1.4have2an equivalent path

• Question 227:

  The router ID of R4 is 10.0.4.4. The LSA shown in the figure is displayed in the LSDB of R4.

  

  Which of the following statements are true about the LSA?

  A. The three LSAs belong to area 1.
  B. Area 1 is a stub area.
  C. No OSPFv3 neighbor relationship is established on at least one link of R4.
  D. R4 is the DR on a link.
  A. The three LSAs belong to area 1.
  C. No OSPFv3 neighbor relationship is established on at least one link of R4.
  D. R4 is the DR on a link.

• Question 228:

  As shown below:

  

  A. area. have8indivualMAThe internet
  B. area. have4indivualMAThe internet
  C. area. have4router
  D. area. have8router
  B. area. have4indivualMAThe internet
  C. area. have4router

• Question 229:

  To protect a device against the attacks of forged BGP messages, you can configure GTSM to check whether the TTL value in the IP message header is within the specified range. If the peer x.x.x.x valid-ttl-hops 100 command is configured on a device, the valid TTL value range of the detected message is [155, 255].

  A. TRUE
  B. FALSE
  B. FALSE

• Question 230:

  In the absence of a header, the LDP adjacencies will trigger the establishment of LSPO based on the IP routing of the 32-bit address.

  A. True
  B. False
  A. True