Huawei H12-831 Online Practice Questions and Exam Preparation

Huawei H12-831 Online Questions & Answers

• Question 261:

  In BGP4+, what is the content of the next hop network address field carried in the P_REA, CHLRI attribute in the Update packet?

  A. Can only be a global unicast address
  B. can just be a link-local address
  C. Can carry link-local addresses and global unicast addresses at the same time
  D. Only link-local addresses
  C. Can carry link-local addresses and global unicast addresses at the same time

• Question 262:

  On the OSPFv3 network shown in the figure:

  Area 1 is a stub area Area 2 is a common area Area 3 is an NSSA The IPv6 address of Loopback0 on R6 is 2000::6/128. The router ID of each router is 10.0.X.X, where X is the router number.

  

  Which of the following statements are true?

  A. The Inter-Area-Prefix-LSA that is generated by R1 and describes 2000::6/128 exists in Area 0.
  B. The Inter-Area-Prefix-LSA that is generated by R1 and describes 2000::6/128 exists in Area 3.
  C. The Inter-Area-Prefix-LSA that is generated by R2 and describes 2000::6/128 exists in Area 1.
  D. The Inter-Area-Prefix-LSA that is generated by R3 and describes 2000::6/128 exists in Area 2.
  A. The Inter-Area-Prefix-LSA that is generated by R1 and describes 2000::6/128 exists in Area 0.
  D. The Inter-Area-Prefix-LSA that is generated by R3 and describes 2000::6/128 exists in Area 2.

• Question 263:

  OSPFv3 packets are encapsulated in IPv6 packets. Which of the following is the value of the Next Header field in the IPv6 packet header? Options:

  A. 6
  B. 189
  C. 17
  D. 89
  D. 89

• Question 264:

  When deploying MPLS/BGP IP VPN, which of the following descriptions is wrong about using BGP to exchange routing information between PEs and CEs?

  A. existCEIn the case of multi-homing, enableBGP ASThe number substitution function may cause routing loops that can be passed throughBGP SoDpreventVPNIntra-site routing loops
  B. whenPEandCEbetweenBGPWhen exchanging routing information, if twoVPNThe autonomous system the site is in uses the same privateASnumber, can be passed throughASThe number replacement function is to use any specifiedASreplace the received private network route with theASnumber to preventASRoutes are discarded due to duplicate numbers
  C. existHubandSpokescene, whenHub-CEandHub-PEuseIGPTimeSpoke-PEandSpake- CEcannot makeEBGP
  D. whenPEandCEbetweenBGPWhen exchanging routing information, you do not need toPEPerform private network route import on theBGPoperation
  B. whenPEandCEbetweenBGPWhen exchanging routing information, if twoVPNThe autonomous system the site is in uses the same privateASnumber, can be passed throughASThe number replacement function is to use any specifiedASreplace the received private network route with theASnumber to preventASRoutes are discarded due to duplicate numbers

• Question 265:

  An interface of a switch is in error-down state. A possible cause is that the average rate of broadcast packets received by the interface exceeds the upper threshold set by the administrator for storm control.

  A. TRUE
  B. FALSE
  A. TRUE

• Question 266:

  According to this picture, Peimen can judge? cR3>display ipv6 routing-table protocol isis

  

  A. R3The device type must beLevel-1-2
  B. unable to judgeR3type of device
  C. R3The device type must beLevel-1
  D. R3The device type must beLevel-2
  A. R3The device type must beLevel-1-2

• Question 267:

  As shown in the figure, all routers run OSPF, because R3 is in the backbone area, so in the LSDB of R3 There are no three types of LSAO

  

  A. True
  B. False
  B. False

• Question 268:

  On the OSPFv3 network shown in the figure:

  OSPFv3 is enabled on the interfaces connecting R1, R2, and R3. The router ID of each router is 10.0.X.X, where X is the number of the router. If you check detailed information about an LSA on R3, the command output shows that the LSA is

  generated by R2 and describes the IPv6 prefix address associated with the Router-LSA.

  

  Is this statement TRUE or FALSE?

  A. TRUE
  B. FALSE
  A. TRUE

• Question 269:

  On the OSPFv3 network shown in the figure, area 1 is a stub area. Which of the following statements are true?

  

  A. Default routes exist in the routing tables of R1 and R2.
  B. Both R1 and R2 generate Network-LSAs.
  C. Both R1 and R2 generate Inter-Area-Prefix-LSAs.
  D. Both R1 and R2 generate Intra-Area-Prefix-LSAs.
  A. Default routes exist in the routing tables of R1 and R2.
  D. Both R1 and R2 generate Intra-Area-Prefix-LSAs.

• Question 270:

  A network engineer provides a troubleshooting report after rectifying a fault. The actual network is simplified into the one shown in the figure, where R1 and R2 both have OSPF enabled and function as the gateways of PC1 and PC2, respectively. Given this, which of the following statements are true?

  

  Network Topology:

  R1:

  R2:

  Interface GE0/0/0: 10.0.12.2/24 (Connected to R1) Interface GE0/0/1: 192.168.1.2/24 (Gateway for PC2)

  Options:

  A. R2 cannot ping 10.0.12.1.
  B. PC1 and PC2 cannot ping each other.
  C. R1 cannot ping 192.168.1.2.
  D. R1 cannot ping 192.168.1.12.
  B. PC1 and PC2 cannot ping each other.
  D. R1 cannot ping 192.168.1.12.