In the network shown in the figure, after completing the corresponding configuration on the switch SWA, when the switch SWA receives the data frame accessing the PCB from the PCA, it determines whether to check the MAC address table or the routing table?

In the network shown in the figure, after completing the corresponding configuration on the switch SWA, when the switch SWA receives the data frame accessing the PCB from the PCA, it determines whether to check the MAC address table or the routing table?

A . VLAN attributes of data frames
B . Destination MAC address of the data frame
C . Source MAC address of the data frame
D . Source MAC address of the data frame
E . Source IP address of the data frame

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Answer: B