Huawei Huawei Certifications H12-831 Questions & Answers

• Question 191:

  Which of the following is not a hardware preparation for cutover?

  A. Test the operation of the board

  B. Power-on test

  C. Device version check

  D. Cable Continuity Test

  Correct Answer: C

• Question 192:

  As shown in the figure, Client1 and Client2 act as clients of RR1 and RR2 at the same time, and RR1 and RR2 are in the same.

  In a Cluster, R introduces 10 routes. It is assumed that the configuration of B, CP is correct.

  Neighbor relations have been established

  Now, how many routing entries exist in the BGP routing table of Client2?

  

  A. 10

  B. 20

  C. 0

  D. 15

  Correct Answer: B

• Question 193:

  Multiple equal-cost routes may appear. About the IS-IS network , which of the following descriptions is false?

  A. When the number of equal-cost routes in the network is greater than the number configured by commands, and these routes have the same priority, the next-hop device is preferredSystem IDLarge routes for load balancing

  B. If load sharing is configureD. the traffic will be evenly distributed to each link

  C. After configuring equal-cost route priorityJS-ISWhen the device forwards the traffic reaching the destination network segment, it will not adopt the load balancing methoD. but forward the traffic to the next hop with the highest priority

  D. For each route in the equal-cost route, a priority can be specifieD. and the route with higher priority will be preferred. the rest as backup routes

  Correct Answer: C

• Question 194:

  IGP converges faster than BGP, which may cause network traffic loss. By enabling the OSPF and BGP linkage feature of the device, the device can keep the OSPF and BGP linkage during the set linkage time.____The router makes the link metric value in the LSA advertised to be the maximum value, so as to inform other OSPF devices not to use this router to forward data, so as to avoid traffic loss. (Note: If English letters are involved, all uppercase)

  A. STUB-ROUTER

  Correct Answer: A

• Question 195:

  About the site in the BGPIMPLS IP VPN network architecture. Which of the following descriptions is correct?

  A. in any case, belong to the sameVPNDifferent sites on the

  B. through the sameCETerminals connected to the operator's network may belong to different sites(MCE)

  C. site is a groupIPsystem, a network of hosts cannot be called a site

  D. The two geographically separated networks must belong to different sites

  Correct Answer: B

• Question 196:

  Run the display ip interface GEO/D/D command to view statistics about ping packets received on the interface.

  A. True

  B. False

  Correct Answer: A

• Question 197:

  Which of the following statements about 1S-IS (IPv6) is true?

  A. to supportIPv6Processing and counting of routesBJS-ISexist129 TLVadded inNLPID

  B. IS-ISWorking at the data link layer only needs to add newTLVready to supportPv6

  C. to supportIPv6Processing and calculation of routesIS-ISnewly addedTLV232236

  D. by defaultJS-ISTurn on the multi-topology feature

  Correct Answer: ABC

• Question 198:

  BGP authentication can prevent illegal routers from establishing neighbors with BGP routers. BGP authentication can be divided into ID5 authentication and Keychain authentication. Which of the followingBGP packets will carryBGPKeychain authentication information?

  A. Open

  B. Keepalive

  C. Update

  D. Notification

  Correct Answer: AB

• Question 199:

  A router runs OSPF, and the output information is shown in the figure. Which of the following statements is correct?

  

  A. ShouldLSAis of typeAS-external-LSA

  B. ShouldLSAThe described destination network is10.0.23.0/24

  C. in the pictureLSAis generated by this router

  D. This device isA, BR

  Correct Answer: B

• Question 200:

  About the difference between NSR and NSF, which is correct?

  A. NSFCan be done without neighbor routers

  B. NSRMust rely on neighbor routers to complete

  C. NSFMust rely on neighbor routers to complete

  D. NSRandNSFBy6Requires neighbor router to complete

  Correct Answer: C