以下关于虚拟局域网中继(VLANTrunk)的描述中,错误的是()

A、VLANTrunk是在交换机与交换机之间、交换机与路由器之间存在的物理链路上传输多个VLAN信息的一种技术
B、VLANTrunk的标准机制是帧标签。
C、在交换设备之间实现Trunk功能,VLAN协议可以不同
D、目前常用的vlan协议有ISL、IEEE80210和国际标准IEEE8021Q
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正确答案:

C

答案解析:

暂无解析

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