试题详情
单项选择题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

  • C

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