CCNA题库V108.8第41题图解

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41. Refer to the exhibit. Each of these four switches has been  configured with a hostname, as well as being 
configured to run RSTP. No other configuration c hanges have been made. Which three of these show the 

correct RSTP port roles for the indicat ed switches and interf aces? (Choose three.) 

以上是题干,方便索引题库

关键在于

1、Fa-Gi速度协商为100M

2、每段必须有一个指定端口或者根端口

图解如下


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