In a switched environment, what does the IEEE 802.1Q standard describe?（）
- 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 vlan
正确答案:B
答案解析:有
微信扫一扫手机做题