Huawei Huawei Certifications H12-831 Questions & Answers

• Question 201:

  ping -a Xc Ys z -vpn-instance M 10.5.16.2, the meaning of this command is:

  A. ShouldpingsendYindivualICMPask

  B. ShouldpingofICMPThe request packet size isZ(excludingIPandICMPhead)

  C. Shouldpingpackage sourceIFPaddress isX

  D. Shouldpingpackage belongs toVPNexampleM

  Correct Answer: ABCD

• Question 202:

  Ethernet is a broadcast-enabled network, and once there are loops in the network, this simple factory broadcast mechanism can have disastrous consequences. Which of the following phenomena may be caused by loops?

  A. CPUOccupancy exceeds70%

  B. The device cannot log in remotely

  C. use on devicedisplay interfaceWhen commanding to view interface statistics, it is found that the interface receives a large number of broadcast packets

  D. pass throughpingSerious packet loss during network test with command

  Correct Answer: ABCD

• Question 203:

  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

  Correct Answer: ABC

• Question 204:

  The traditional BGP 4 can only manage IPv4 single routing information. In order to provide support for a variety of network layer protocols, MP-BGP extends BGP-4. MP-BGP uses address families to distinguish different network layer protocols. Which of the following address families are currently supported?

  A. BGP-VPNv4address family

  B. BGP-IPV6Unicast address family

  C. BGP-IPV4broadcast address family

  D. BGP-MPexampleIPv6address family

  Correct Answer: ABD

• Question 205:

  Network administrator A wants to use A, CL to match specific routing entries. Which of the following routing entries will be matched by the A, CL rules in the figure? acl number 2000 rule 10 permit source 10.0.0.0 0.0.6.0

  A. 10.0.1.0/24:

  B. 10.0.0.0/24

  C. 10.0.0.1/32

  D. 10.0.2.0/24

  Correct Answer: BD

• Question 206:

  In OSPF, the A, BR will convert all type 7 L SAs in the NSSA area to type 5 L SAs.

  A. True

  B. False

  Correct Answer: B

• Question 207:

  Configured on an interface: isis timer hello 5 level-2, which of the following statements is correct?

  A. the interfaceLevel-2ofhelloThe packet sending interval is5s

  B. the interfaceLevel-1andLeva 1-2ofhell. The packet sending interval is3s

  C. the interfaceLevel-2ofCSNPThe packet sending interval

  Correct Answer: A

• Question 208:

  In the absence of a header, the Domain ID of each OSPF process running on the router and the process ID of the process. Be consistent and can be modified under the process through the domain-id command.

  A. True

  B. False

  Correct Answer: B

• Question 209:

  Which of the following descriptions is correct about configuring static LSPs in MPLS networks?

  A. when a certainLSRforEgress LSR, you only need to configureIn Label,The range is16

  B. when a certainLSRforTransit LSR, you need to configureIn LabelandOut labeljn LabelThe range is161023,Out LabelThe range is16~1048575

  C. when a certainLSRforTransit LSRneed to be configured at the same timeIn LabelandOut Label,The range is16-1023

  D. when a certainLSRforIngress LSR, just configureOut Label,The range is16~1048575

  Correct Answer: ABD

• Question 210:

  Which of the following statements about the OSPFV3 packet format is correct?

  A. HelloPackets no longer carry address informationInterface ID

  B. OSPFversion number from2became3

  C. removedAuthentication,AuthTypefield

  D. HellotelegramoptionNo changes to the field

  Correct Answer: ABC