Huawei H12-831 Online Practice Questions and Exam Preparation

Huawei H12-831 Online Questions & Answers

• Question 111:

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

  A. switchMA, Caddress learning errors
  B. interface is artificialshutdownor the physical interface is damaged
  C. The wrong port is configured on the switch andMA, Caddress binding
  D. Port isolation is configured on the switch
  A. switchMA, Caddress learning errors
  B. interface is artificialshutdownor the physical interface is damaged
  C. The wrong port is configured on the switch andMA, Caddress binding
  D. Port isolation is configured on the switch

• Question 112:

  On the OSPF network shown in the figure, the cost values of links are marked, and OSPF IP FRR is enabled on R1. Which of the following statements is false?

  

  A. If the link between R1 and SI is disconnected, Rl recalculates the optimal path to R3 and performs path switching instantly.
  B. If the link between R2 and SI is disconnected, R1 recalculates the optimal path to R3 and performs path switching instantly.
  C. If the link between R1 and SI is disconnected, R1 directly uses the backup path to forward packets to R3 because FRR is enabled on R1.
  D. If the link between R1 and SI is disconnected and you check neighbor information on R1, the neighbor relationship between R1 and R2 will instantly display Down.
  A. If the link between R1 and SI is disconnected, Rl recalculates the optimal path to R3 and performs path switching instantly.

• Question 113:

  Ethernet is a network that supports broadcasting, and once there is a loop in the network, this simple broadcasting mechanism can cause catastrophic consequences. Which of the following phenomena may be caused by loops?

  A. The device cannot log in remotely
  B. pass throughPINGSerious packet loss during network test with command
  C. CPUOccupancy exceeds70%
  D. use on the deviceDISPLAY INTERFA, CEcommand to view interface statistics, it is found that the interface receives a large number of broadcast message
  A. The device cannot log in remotely
  B. pass throughPINGSerious packet loss during network test with command
  C. CPUOccupancy exceeds70%
  D. use on the deviceDISPLAY INTERFA, CEcommand to view interface statistics, it is found that the interface receives a large number of broadcast message

• Question 114:

  MPLS-straight is slower than IP forwarding.

  A. True
  B. False
  B. False

• Question 115:

  On the OSPFv3 network shown in the figure, area 1 is a stub area, area 2 is a common area, and area 3 is an NSSA. Which of the following LSAs is displayed only in area 2?

  

  A. Router-LSA
  B. Link-LSA
  C. Intra-Area-Prefix-LSA
  D. AS-External-LSA
  D. AS-External-LSA

• Question 116:

  On a BGP/MPLS IP VPN network, which of the following are carried when a PE advertises VPNv4 routes?

  A. IPv4 prefix
  B. RD
  C. Export target
  D. Import target
  A. IPv4 prefix
  B. RD
  C. Export target
  D. Import target

• Question 117:

  Which of the following are advantages of VLAN aggregation?

  A. decreasedIPwaste of address
  B. added availableM LANquantity
  C. Increased addressing flexibility
  D. accomplishSub-VLANIsolation between broadcast domains
  A. decreasedIPwaste of address
  D. accomplishSub-VLANIsolation between broadcast domains

• Question 118:

  In the process of viewing the debug output through the SSH terminal, a lot of information pops up. Which of the following operations can make the Moni tor terminal no longer pop up debug messages?

  A. exit currentMonitorinterface redesignSSHLog in to the device to open a new oneMonitorinterface
  B. Open Notepad and enterundo debugging a 11,Copy the command line and paste it intoMonitorinterface
  C. Open Notepad$SLIAundo terminal monitor,Copy the command line and paste it intoMonitorinterface
  D. open notepad inputundo terminal debugging,Copy the command line and paste it intoMonitorinterface
  B. Open Notepad and enterundo debugging a 11,Copy the command line and paste it intoMonitorinterface
  C. Open Notepad$SLIAundo terminal monitor,Copy the command line and paste it intoMonitorinterface
  D. open notepad inputundo terminal debugging,Copy the command line and paste it intoMonitorinterface

• Question 119:

  In what ways can log information be viewed:

  A. Network management system interface view
  B. log in to the device viadisplay logbuferCheck
  C. there is no way
  D. Willflash:/logfile/Tlog file viaFIP/TFTPtransfer toPCsuperior
  A. Network management system interface view
  B. log in to the device viadisplay logbuferCheck
  D. Willflash:/logfile/Tlog file viaFIP/TFTPtransfer toPCsuperior

• Question 120:

  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
  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