Free Access Huawei.H12-811_V1.0.v2024-12-18.q168 Practice Test (Page 31)

Question 146

When the switch receives a unicast data frame, it will look up the destination MAC address in the MAC surface. Which of the following statements is wrong?

A.If the MAC address cannot be found, the switch will discard it

B.If the MAC address is found, and the port corresponding to the MAC address in the MAC address table is the port where the frame enters the switch, the switch performs the discard operation

C.If the MAC address is found, and the port corresponding to the MAC address in the MAC address table is not the port where the frame enters the switch, the switch performs the forwarding operation

D.If the MAC address cannot be found, the switch performs flooding operation

Question 147

The routing table is generated by*

A.ISIS

B.Direct connection

C.OSPF

D.Static

Question 148

As shown in the figure below, all hosts can communicate normally. Is the correspondence between the MAC address and the port in the MAC address table of SWB correct? () (Single-choice question)

A.MAC-A GO/0/1
MAC-B GO/0/2
MAC-C GO/0/3

B.MAC-A GO/0/1
MAC-B GO/0/1
MAC-C GO/0/3

C.MAC-A GO/0/3
MAC-B GO/0/3
MAC-C GO/0/1

D.MAC-A GO/0/2
MAC-B G0/0/2
MAC-C GO/0/3

Question 149

The broadcast address is a special address that all the host bits in the network address are set to, and it can also be used as a host address. ()

A.True

B.False

Question 150

Which of the following planes does a network device have?

A.Service plane

B.Data plane

C.Management plane

D.Control plane

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Question 146

Question 147

Question 148

Question 149

Question 150

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