When a packet that is entering a switch port is encapsulated, which of the following is the switch performing?
A. 802.1q
B. Collision avoidance
C. Port mirroring
D. STP
When a packet that is entering a switch port is encapsulated, which of the following is the switch performing?
A. 802.1q
B. Collision avoidance
C. Port mirroring
D. STP