问题:
The Company core switches use 802.1Q trunks to connect to each other.
How does 802.1Q trunking keep track of multiple VLANs? ()
A . It tags the data frame with VLAN information and recalculates the CRC value
B . It encapsulates the data frame with a new header and frame check sequence
C . It modifies the port index of a data frame to indicate the VLAN
D . It adds a new header containing the VLAN ID to the data frame
E . None of the other alternatives apply
The Company core switches use 802.1Q trunks to connect to each other.
How does 802.1Q trunking keep track of multiple VLANs? ()
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