VLAN 3 is not yet configured on your switch.What happens if you set the switchport access vlan 3 commmand interface configuration mode?()
A、A.The command isaccepted and the respective VLAN is added to vlan dat.
B、B.The command isrejected.
C、C.The command isaccepted and you must configure the VLAN manually.
D、D.The port turns amber.