The second layer switch belongs to the data link layer device, which can identify the mac address information in the data frame, forward data according to the mac address, and record these mac addresses and corresponding port information in its own mac address table.

The second layer switch belongs to the data link layer device, which can identify the mac address information in the data frame, forward data according to the mac address, and record these mac addresses and corresponding port information in its own mac address table.
A . True
B . False

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Answer: A