Huawei H12-811_V1.0 Quiz 23 Topic 1 Questions 111-115

Question: 1

The MAC address table of a certain switch is shown in the figure. If the switch receives a data frame with a destination MAC of 5489-985-18a8 from port Eth0/0/2, which of the following statements is

correct?

AForward this data frame from port Eth0/0/1

BDiscard this data frame

CForward this data frame from the Eth0/0/2 port

DFlood out this data frame

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Question: 2

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?

AIf 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

BIf 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

CIf the MAC address cannot be found, the switch performs flooding operation

DIf the MAC address cannot be found, the switch will discard it

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Question: 3

What is the value of TPID defined by IEEE802.1Q?

A0x7200

B0x8100

C0x8200

D0x9100

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Question: 4

According to the command output as shown in the figure, the correct one in the following description is ().

AA. GigabitEthernet0/0/1 allows VlAN1 to pass

BIf you want to change the GigabitEthernet/0/1 port to an Access port, you first need to use the command 'undo port trunk allow-pass vlan 2 to 4094

CGigabitEtheret0/0/1 does not allow VlAN1 to pass

DIf you want to change the GigabitEthernet0/0/1 port to an Access port, you first need to use the command 'undo port trunk allow-pass vlan all'

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Question: 5

What is correct about the dynamic MAC address table?

AAfter the device restarts, the previously saved entries will not be lost

BBy viewing the number of specified dynamic MAC address table entries, you can get the number of users communicating under the interface

CAfter the device restarts, the previous dynamic entries will be lost

DThe dynamic MAC table entries obtained through the source MAC address learning in the message will age

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Huawei H12-811_V1.0 Quiz:23 Topic:1 Questions:111-115