Huawei Huawei Certifications H12-831 Questions & Answers

• Question 1:

  Drag and Drop

  The configuration shown is performed on R2 to filter all incoming routes. Suppose there is a BGP route with the AS_Path attribute of [100200300400] on R1 that needs to be sent to R2. Please help the network administrator to adjust the AS order in the AS_Path attribute of the route on R1 to ensure that the route entry will not be filtered by the routing policy of R2____, ____, ____, ____.

  

  Select and Place:

  

  Correct Answer:

  

• Question 2:

  Drag and Drop

  As shown in the figure, there is a packet containing a three-layer label header. Please select the values (decimal) corresponding to the x, and Z fields in the figure.

  Select and Place:

  

  Correct Answer:

  

• Question 3:

  Drag and Drop

  Please match 0SPFv3LSA with its transmission range.

  Select and Place:

  

  Correct Answer:

  

• Question 4:

  Which of the following statements is true about the role of ping and tracert?

  A. Pingthrough one-wayicmp echo requestPacket inspection and bidirectional reachability of the correct end

  B. TracertMust be able to trace every hop from source to destinationIPaddress

  C. pingThe reachability from the local end to the peer end is verifieD. but it does not mean that the peer end to the local end must be reachable

  D. tracertandpingThe function is the same, just the name is different

  Correct Answer: C

• Question 5:

  Which of the following are static information coke analysis?

  A. Interface Type

  B. Packet loss rate

  C. License

  D. Equipment type

  Correct Answer: ACD

• Question 6:

  What is the most efficient way to view device alarms through the CLI?

  A. display interface brief

  B. display clock

  C. display alarm

  D. display current-configuration

  Correct Answer: C

• Question 7:

  Qing technology is a technology to expand VLAN space. It can achieve the function of expanding Vian space by adding a layer of 8D2.1Q Tag on the basis of 8Q2.12 tag message. Which of the following statements about qinq is false?

  A. flexibleQinQAccording to different inner layersTagwith different outer layersTag,correct to the userVLANThe division is more detailed

  B. QinQMakeVLANincreased to4095*4095

  C. QinQtechnology enables private networksLANTransparent transmission on the public network

  D. basicQinQbased on the interface

  Correct Answer: B

• Question 8:

  What is the LSA whose flooding range is the entire autonomous system in SPFV3?

  A. Link-LSA

  B. As-external-LSA

  C. Inter-Area-Prefix-LSA

  D. Intra-Area-Prefix-LSA

  Correct Answer: B

• Question 9:

  As shown in the figure, 0SPF is enabled on all interfaces of the router. The cost value of the link is marked in the figure, R2's LoogbackO is advertised by mouth in area 0, then in In area 1, both R2 and R3 transmit the routing information of 10.0.2.2/32 in the form of Typae3 LSA.

  

  A. True

  B. False

  Correct Answer: A

• Question 10:

  Regarding the sham link, which of the following descriptions is wrong?

  A. sham linkThe coat is twoVPNlinks between instances, eachVPNThere must be one in the instancesham linkthe endpoint address, it must bePEon the routerVPNone in the address space has32bitmaskedLoopbackinterface address

  B. becauseVPNflow is throughMPLSBackbone forwarding,sham linkThe routing cost should be less thanbackdoorroadOSPFrouting cost

  C. sham linkThe endpoint address of theBGPasVPhv4address published. PassedsamlikThe route can also be reconfigured withVPNv4The form of routing is introduced toBGP

  D. Sham linkIt can be configured in any area and needs to be manually configured and the local endVPNThe instance must have tosham linkdestination address (peerPEofsham linkendpoint address) routing

  Correct Answer: C