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 valueB、 It encapsulates the data frame with a new header and frame check sequenceC、 It modifies the port index of a data frame to indicate the VLAND、 It adds a new header containing the VLAN ID to the data frameE、 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？ （）
- 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
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