多选题关于VLANs说法正确的两项是（）AVLANs用来分开同一以太网连接下不同数据流B—个VLAN是一组属于同一广播域下的交换机端口C一个VLAN是一组交换机，这些交换机表现的不连接D在以太网中VLANs用于防止环路
多选题
关于VLANs说法正确的两项是（）
A
VLANs用来分开同一以太网连接下不同数据流
B
—个VLAN是一组属于同一广播域下的交换机端口
C
一个VLAN是一组交换机，这些交换机表现的不连接
D
在以太网中VLANs用于防止环路
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