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  3. In a switched environment, what does the IEEE 802．1Q standard describe?

In a switched environment, what does the IEEE 802．1Q standard describe?

admin2019-04-08  68
问题 In a switched environment, what does the IEEE 802．1Q standard describe?
选项 A、        the operation of VTP
B、        a method of VLAN trunking
C、        an approach to wireless LAN communication
D、        the process for root bridge selection
E、        VLAN pruning
答案B
解析 IEEE 802．1Q 是一个中继标准
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