Free Access Huawei.H12-831_V1.0-ENU.v2025-07-09.q157 Practice Test (Page 17)

Question 76

Ethernet is a network that supports broadcasting. Once there is a loop in the network, this simple broadcasting mechanism will cause catastrophic consequences.
Which of the following phenomena may be caused by loops? (Multiple choice)

A.Severe packet loss during network testing through the ping command

B.When you use the display interface command to view interface statistics on the device, it is found that the interface receives a large number of broadcast packets

C.CPU usage exceeds 70%

D.The device cannot log in remotely

Question 77

You have set IS-IS IPv6 enable under the interface, what is the meaning of this command?

A.Activate on the interfaceIPv6 IS-ISprocess3

B.activate on the interfaceIPv6 IS-ISprocess2

C.activate on the interfaceIPv6 IS-ISprocess10

D.Activate on the interfaceIPv6 IS-ISprocess1

Question 78

There is the concept of forwarding equivalent FEC in MPLS. Which of the following descriptions is wrong? (Multiple choice)

A.MPLS classifies packets with the same forwarding processing method into one category, which is called FEC

B.The division of FEC is very flexible. It can be based on any combination of source address, address, source port, destination port, protocol type or VPN, etc.

C.A forwarding equivalence FEC will be assigned a unique label value on all routers

D.The packets of the same FEC will be processed differently in the MPLS network

Question 79

The network administrator A wants to use ACL to match only the four routing entries 1, 3.5, and 7 in the figure. How many ACL rules does the network administrator A need to configure at least?

A.3

B.4

C.2

D.1

Question 80

If the BFD session goes down, the direct link will fail.

A.False

B.True

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Question 76

Question 77

Question 78

Question 79

Question 80

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