Free Access Huawei.H12-811_V1.0.v2022-05-07.q121 Practice Test (Page 14)

Question 61

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 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

B.If the MAC address cannot be found, the switch performs flooding 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 will discard it

Question 62

A company applies for a Class C IP address segment, which needs to be evenly distributed to 8 subsidiaries.
The largest subsidiary has 14 computers. Different subsidiaries must be in different network segments, so the subnet mask should be set to.

A.255.255.255.0

B.255.255.255.240

C.255.255.255.192

D.255.255.255.128

Question 63

In standard STP mode, which of the following non-root switches will forward the TC-set BPDU generated by the root switch.

A.Backup port

B.Root port

C.Preparation port

D.Designated port

Question 64

A DHCP server is deployed in the network, but the administrator found that some hosts did not correctly obtain the address specified by the DHCP server. What are the possible reasons?

A.The address pool of the DHCP server has all been allocated

B.Some hosts cannot communicate with the DHCP server normally, and the client systems of these hosts automatically generate addresses in the range of 127.254.0.0

C.There is another DHP server in the network that works more efficiently

D.Some hosts cannot communicate with the DHCP server normally, and the client systems of these hosts have automatically generated addresses in the range of 169.254.0.0

Question 65

Using the ACL shown in the figure on the router RTA to match routing entries, which of the following entries will be matched?

A.172.16.1.1/32

B.172.16.1.0/24

C.172.18.0.0/16

D.192.17.0.0/24

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Question 61

Question 62

Question 63

Question 64

Question 65

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