单选题You are about to migrate a customer network to use a VSS. Which of these statements is true about a VSS?()AThe VSS switch must be the root bridge for all VLANs and is automatically designated.BThe VSS switch is defined in RFC 4318 as a managed object.CThe PAgP+ or LACP protocols are used to maintain the operational state of the VSS devices.DA VSS interoperates with a virtual port channel.EThe 802.1Q or ISL protocols are used to maintain the operational state of the VSS devices.FA VSS increases the size of the spanning-tree domain.

单选题
You are about to migrate a customer network to use a VSS. Which of these statements is true about a VSS?()
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.


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