Which statement about the VLAN on a Layer 2 switch is true?
A. The CFI in the VLAN tag specifies whether the priority in the VLAN tag is valid.
B. The VLAN tag is located in the Layer 2 header of a packet.
C. The CFI in the VLAN tag contains two bits.
D. A VLAN on the switch is a broadcast domain. The broadcast domains are separated.