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Huawei H12-831-ENU Exam Syllabus Topics:

Huawei HCIP-Datacom Sample Questions:

Question 1

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

A. The CPU usage exceeds 70%
B. When running the display interface command on the device to view interface statistics, it is found that the interface receives a large number of broadcast packets
C. Serious packet loss when testing the network through the ping command
D. The device cannot log in remotely

Question 2

There are many types of LDP messages. Which of the following functions can a session message implement? (Multiple choice)

A. Monitor the integrity of the TCP connection of the LDP Session
B. Terminate the outstanding Label Request Message
C. Negotiate parameters during LDP Session establishment
D. Release Tag

Question 3

The IS-IS neighbor relationship between R3 and R1 is not established. According to the information in this figure, what is the possible reason?

A. The IS-Levels of R3 and R1 do not match
B. The IIH authentication of R3 and R1 failed
C. The circuit-type of the interconnection interface of R3 and R1 does not match
D. The System IDs of R3 and R1 are duplicated

Question 4

Configured on an interface: isis timer hello5 level-2, which of the following statements is correct?

A. The hello packet sending interval of Leve-1 and Leval-2 of the interface is 3s
B. The CSNP packet sending interval of the interface Leve-2 is 5s
C. The hello packet sending interval of Leve-2 on this interface is 5s
D. The hello packet sending interval of Level-1 of this interface is 5s

Question 5

As shown in the figure, configure a backhaul summary route 10.0.0.0/24 on border route R1.

The next hop points to R2. At the same time, the default route to the external network is configured. At this point, routing black holes will appear. Which of the following statements about routing black holes is correct? (Multiple choice)

A. If the terminal in the network sends data packets to the network segment that does not appear on the internal network, a loop will occur
B. Precise routing summary can avoid routing black hole
C. Configuring black hole routing can solve the routing black hole problem
D. Routing black hole has no effect on the network and can be ignored

Solutions: