试题详情
- 多项选择题802.1Q协议的特点是什么?()
A、它是一个2层的消息协议,它保证通过网络的VLAN配置
B、它包括一个8比特字段指定的帧的优先级
C、它是专门用于标记的VLAN帧和下交换网络拓扑结构的变化剂量不能满足网络的重新收敛
D、它修改802.3帧报头,并且因此需要在FCS重新计算
E、它是一种能够携带未标记的帧的中继协议
- D,E
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