The Company LAN switches are being configured to support the use of Dynamic VLANs. What  should be considered when implementing a dynamic VLAN solution?()
A、Each switch port is assigned to a specific VLAN.
B、Dynamic VLANs require a VLAN Membership Policy Server.
C、Devices are in the same VLAN regardless of which port they attach to.
D、Dynamic VLAN assignments are made through the command line interface.