Huawei Huawei Certifications H12-831 Questions & Answers

• Question 21:

  Part of the configuration of R1 is as follows. Which statement about IS-IS on R1 is correct?

  

  3vpn-instarwce rr level- 2 cost-style wide -erntity 47.ccOa 3eft)btxlci-dael

  A. process2with process3The routing information is isolated

  B. process1Contains only global routing information

  C. process1Also contains global routing information. andVRFtt,rrrouting information

  D. process2with process3routing information will be shared

  Correct Answer: AB

• Question 22:

  After reset isis all is executeD. the IS-Is protocol process needs to be restarted and neighbors need to be re-establisheD. but various IS-IS statistics will not be cleared.

  A. True

  B. False

  Correct Answer: A

• Question 23:

  Can Huawei equipment perform traffic suppression for Mingbi packets?

  A. Unknown unicast

  B. known unicast

  C. multicast

  D. broadcast

  Correct Answer: ABCD

• Question 24:

  (Drag and drop question) The configuration shown in the figure is performed on R2 to filter all incoming routes. Suppose there is an entry on R1 AS_Path attribute is [100 200 300 400] BGP routes need to be sent to R2, please help network administrators in Adjust the AS order in the AS_Path attribute of the route on R1 to ensure that the route entry will not be routed by R2 route^policy AS-PATH permit node 10 if-match as-path-filter BGP route-policy AS-PATH deny node 20 ip as-path-filter BGP permit A[A2]00 400 100_

  

  route-policy AS-PATH permit node 10 if-match ip-prefix BGP apply as-pathoverwrite ip ip-prefix BGP permit 10.0.0.0 24

  

  A. 300--A 400--C 100--B 200--D

  B. 300--A 400--B100--C 200--D

  C. 300--B 400--A 100--C 200--D

  D. 300--C 400--A 100--B 200--D

  Correct Answer: B

• Question 25:

  From the user's point of view, any phenomenon that affects the business can be defined as a fault.

  A. True

  B. False

  Correct Answer: A

• Question 26:

  0SPFV2 is an IGP running on an IPv4 network; 0SPFvV3 is an ICPO running on an IPv6 network the packet types of OSPFV3 and OSPFV2 are the same, including .Hall. message, DD message, LSU message, LSU packets and SAck packets. Which of the following statements is correct about 0SPFV3 packets?

  A. 0SPFv3Complete packet authentication using the authentication field in the packet header

  B. OSPFV3The link-local address is used as the source address of the sent packet, and the packet can be forwarded outside the range of the originating link

  C. OSPFv3useIPv6multicast addressFFO2::5heheFFO2:.6sendOSPFv3message

  D. 0SPFV3ofHelloThe packet carries the router interfaceIPv6address prefix list

  Correct Answer: C

• Question 27:

  When deploying BGPIMPLS IPVPN, when two VPNs have a common site, the common site must not use overlapping address space with other sites of the two VPNs.

  A. True

  B. False

  Correct Answer: B

• Question 28:

  Which of the following reasons may cause the hosts in the same--VLAN LAN to fail to communicate with each other?

  A. port isolation is configured on the switch

  B. the wrong port is configured on the machine, andMA, Caddress binding

  C. interface is artificialshutdownor the physical interface is damaged

  D. switchMA, Caddress learning errors

  Correct Answer: ABCD

• Question 29:

  How many bits are there in the label field of PLS?

  A. 1

  B. 8

  C. 3

  D. 20

  Correct Answer: D

• Question 30:

  BGP routing policies can control the advertisement and reception of routes.

  A. True

  B. False

  Correct Answer: A