2. 计算机
  3. Refer to the exhibit． The output that is shown is generated at a switch． Which three of these statements are true?

Refer to the exhibit． The output that is shown is generated at a switch． Which three of these statements are true?

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问题 Refer to the exhibit． The output that is shown is generated at a switch． Which three of these statements are true?
选项 A、        All ports will be in a state of discarding, learning, or forwarding．
B、        Thiry VLANs have been configured on this switch．
C、        The bridge priority is lower than the default value for spanning tree．
D、        All interfaces that are shown are on shared media．
E、        All designated ports are in a forwarding state．
答案A,C,E
解析 rstp的所有接口在收敛完成之前都将经历discarding->learning->forwarding的状态,并且rstp的默认优先级应该为32768，所有的DP都将转发数据
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