Huawei Huawei Certifications H12-831 Questions & Answers

• Question 51:

  Which of the following features affects BGP neighbor establishment?

  A. BGPCertification

  B. BGP GSTM

  C. BGProute filtering

  D. ebgp max hop

  Correct Answer: ABD

• Question 52:

  In an MPLS VPN network, data packets are forwarded when they enter the public network. will be encapsulated with two layers of MPLS labels sign. Which of the following options describes the processing of the packet correctly?

  A. The data packet is forwarded toEgress PEequipment

  B. Egress PEThe device correctly sends the data packet to the correspondingVPNmiddle

  C. the outer label of the packet received by the penultimate hop device is3

  D. Egress PEDevice received untaggedIPdata pack

  Correct Answer: AB

• Question 53:

  In an MPLS domain, LSR can be divided into Ingress LSR, Transit LSR and Egress LSR according to the different processing methods of LSRs for data. For the same FEC. a certain LSR can be the Ingress LSR of the FEC or the Transit LSR of the FEC. LSRO

  A. True

  B. False

  Correct Answer: B

• Question 54:

  A network engineer entered the following information when troubleshooting OSPF faults. Based on this, you can judge what causes the adjacency relationship to fail to be established normally?

  

  A. Authentication passwords do not match

  B. Inconsistent area type

  C. Hell. Inconsistent message sending interval

  D. interfaceIPInconsistent address masks

  Correct Answer: D

• Question 55:

  During the daily troubleshooting process, engineers may need to view some alarm information of the device. Run the terminal command to enable the terminal to display the debugging/log/alarm information sent by the information center.

  A. monitor

  Correct Answer: A

• Question 56:

  esigth uses different colors to distinguish different alarm levels, red represents emergency, orange represents important, and yellow represents. The table is secondary, and blue represents the prompt. Which of the following statements about different alarm levels is correct: (multiple choice)

  A. Prompt: A potential or imminent business-impacting failure has been detecteD. but currently has little business impact

  B. Minor: There is currently a certain impact on the business, but corrective actions are required to prevent serious failure alarms

  C. Urgent: Alerts that have affected the business and require immediate corrective action

  D. Important: An alarm that has affected the business and will have serious consequences if not handled in time

  Correct Answer: ABCD

• Question 57:

  Which of the following will not cause the VRRP backup group to flap?

  A. both endsVRRPBackup group preemption delay configuration is inconsistent

  B. BackupDevice Interface Packet Loss

  C. the time interval of the notification message is too small

  D. transmissionVRRPLink flapping of advertisement packets

  Correct Answer: A

• Question 58:

  What is wrong with this configuration description is:

  

  [Huawei]dhcp enable [Huaweijinte GigabitEthernet 0/0/1 [Huawei-GigabitEthernet0/0/1 ]dhcp option82 insert en [Huawei-GigabitEthernet0/0/1 ]dhcp snooping enable [Huawei-GigabitEthernet0/0/1]dhcp snooping trusted

  A. ifGigabitEthemnetOIO/1received by the interfaceDHCPIn the request message, there is noOption82of SutOptioninformation, the device will generateOption82,and insert it into the message

  B. turn onDHCP Snoopingconfiguration can be used to preventDHCP ServerCounterfeiter Attack

  C. configureGigabitEthernetO/0/lThe interface is a trusted interface

  D. turn onDHCP Snoopingconfiguration can be used to preventARPspoofing attack

  Correct Answer: D

• Question 59:

  According to this picture, we can judge that R4 is on?

  

  A. 1 default route

  B. 2 equal-cost default routes

  C. 2 default routes with different costs

  D. 4 equivalent default routes

  Correct Answer: B

• Question 60:

  aboutOSPF. Which of the following statements is false?

  A. For a pair of additional 0hers on an Ethernet link, it is normal to stop clearing in the 2-72 state

  B. Stalling in ExStart state may be a bad match between neighbor routers

  C. stagnantINThe it state indicates that the router has received the neighbor'sHello message. butHell messagedoes not include this routerOSPF Router ID

  D. The two router databases are synchronized, SPFAn error occurred in the calculation, it must be because of the RouterID repeated

  Correct Answer: A