试题详情
- 单项选择题What is a characteristic of ISL and 802.1q frame tagging in a switched LAN environment?（）
A、They are used to find the best path through a network.
B、They allow the exchange of filtering tables.
C、They specify different implementations of the Spanning-Tree Protocol.
D、They allow the exchange of routing tables
E、They provide inter-switch VLAN communication.
- E
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