A.The VSS switch must be the root bridge for all VLANs and is automatically designated.
B.The VSS switch is defined in RFC 4318 as a managed object.
C.The PAgP+ or LACP protocols are used to maintain the operational state of the VSS devices.
D.A VSS interoperates with a virtual port channel.
E.The 802.1Q or ISL protocols are used to maintain the operational state of the VSS devices.
F.A VSS increases the size of the spanning-tree domain.