题目内容

下面关于VLAN说法错误的是 (54) 。

A. 可以隔离广播域
B. 相互间通信必须通过路由器
C. 可以限制网上的计算机互相访问的权限
D. 只能在同一个物理网络上的主机进行逻辑分组

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