Huawei H12-831 Online Practice Questions and Exam Preparation

Huawei H12-831 Online Questions & Answers

• Question 181:

  On the OSPFv3 network shown in the figure, the IPv6 address of Loopback0 on R3 is 2000-3/128, and OSPFv3 is enabled. Which of the following statements are true?

  

  A. R2 definitely generates a Link-LSA.
  B. The Link-LSA generated by R2 does not exist in the LSDB of Rl.
  C. Rl definitely generates a Network-LSA.
  D. R3 definitely generates an Intra-Area-Prefix-LSA.
  A. R2 definitely generates a Link-LSA.
  B. The Link-LSA generated by R2 does not exist in the LSDB of Rl.
  D. R3 definitely generates an Intra-Area-Prefix-LSA.

• Question 182:

  In the multi-level RR scenario, a large number of secondary RRs will be connected to the primary RR, which may lead to BGP of the primary RR. The routing table overflows, what method can be used to reduce the risk of overflowing the routing table of the advanced RR BGP?

  A. ORF
  B. route aggregation
  C. routing control
  D. set the sameCluster-ID
  B. route aggregation

• Question 183:

  In the MPLS network, there are different operation types for labels, among which the meaning of the "pop" action is:

  A. Replace the top label with another value
  B. existMPLSAdd the top label to the label stack
  C. Replace the top label with another set of labels
  D. existMPLSRemove the top label from the label stack
  D. existMPLSRemove the top label from the label stack

• Question 184:

  During the process of viewing the debug input through the SSH terminal, there is a lot of pop-up information. Which of the following operations can make the monitor terminal no longer pop up the debug message?

  A. Open Notepad and enterundo terminal debugging,Copy the command line and paste it intoMonitorinterface
  B. Open Notepad and enterundo debugging all,Copy the command line and paste it intoMonitorinterface
  C. Open Notepad and enterundo terminal monitor,Copy the command line and paste it intoMonitorinterface
  D. exit currentMonitorinterface, re-SSHLog in to the device to open a new oneMonitorinterface
  A. Open Notepad and enterundo terminal debugging,Copy the command line and paste it intoMonitorinterface
  B. Open Notepad and enterundo debugging all,Copy the command line and paste it intoMonitorinterface

• Question 185:

  From this picture, we can judge

  

  A. R1ofGE0/0/1definitely haveLevel-2ability
  B. R1ofGE0/0/0definitely haveLevel-2ability
  C. R1definitely existsLevel-2ofLSDB
  D. R1have2indivualIS-ISNeighbor
  A. R1ofGE0/0/1definitely haveLevel-2ability
  B. R1ofGE0/0/0definitely haveLevel-2ability
  C. R1definitely existsLevel-2ofLSDB
  D. R1have2indivualIS-ISNeighbor

• Question 186:

  A campus deploys both IPv4 and IPv6 networks for service testing, and runs IS-IS to realize network interconnection. The IS-IS routing protocol has good scalability and is widely used in the existing network. Which of the following statements is true about IS-IS scalability?

  A. IS-ISuseTLVstructure builds the message so thatIS-ISMore flexibility, flexibility and scalability
  B. forIS-ISIn terms of adding new features, only adding newTLVJust
  C. IS-ISto supportPV6to addTLVcarryPv6Address information
  D. N LPIDYesIS-ISto supportIPv6an addedTLV
  A. IS-ISuseTLVstructure builds the message so thatIS-ISMore flexibility, flexibility and scalability
  B. forIS-ISIn terms of adding new features, only adding newTLVJust
  C. IS-ISto supportPV6to addTLVcarryPv6Address information

• Question 187:

  As shown in the figure, a park has deployedIPv6For business testing, the network has4router. run 0SPFV3Realize network interconnection. about theOSPFV3network generatedLSA. Which of the following statement it's wrong?

  

  A. R1will produceRouter-LSADescribing the device interface information will be received at the same timeR2andR3produced Router-LSA
  B. R1ofLSDBhaveR3producedNetwork LSA. illustrateR3may be from this linkDR
  C. R1will receiveR2produced2indivualLink-LSA. Describe separatelyR2Information about the two links connected
  D. R2asA, BRWill produceInter-Area-Prefix-LSAdescribeArea 1ofIPv6address prefix, and advertise GiveR1andR3
  C. R1will receiveR2produced2indivualLink-LSA. Describe separatelyR2Information about the two links connected

• Question 188:

  In BGPIMPLS IP VPN, if the OSPF protocol is used between PEs and CEs to exchange routing information, the domain identifier (Domain ID) is used to distinguish whether the incoming routes in the VPI instance come from the same OSPF domain.

  A. True
  B. False
  A. True

• Question 189:

  If technology migration on the network affects the services running on the live network, strictly follow the preset operation process and risk control measures during the implementation of the technology migration project. Generally, this type of project is defined as a migration project. Which of the following operations performed on the live network belongs to a non-migration project?

  A. Changing the mode of importing routes to BGP from network mode to import mode in batches
  B. Modifying the description of router interfaces in batches
  C. Changing the area type of some OSPF routers to the stub area in batches
  D. Changing the levels of IS-IS Level-1-2 routers to Level-1 in batches
  B. Modifying the description of router interfaces in batches

• Question 190:

  I-SPF and PRC can speed up ISIS route convergence. PRC does not calculate nodes. Instead, it updates routes based on the shortest path tree (SPT) calculated using the SPF algorithm.

  A. TRUE
  B. FALSE
  A. TRUE