试题详情
- 单项选择题在进行网络连接排错的时候,一种技术员注意到工作站网卡和交换机连接工作站的接口的灯常亮.当在工作站使用PING命令的时候,出现的信息是"Request timed out"那OSI最有可能存在问题()。
- A、会话层 
- B、协议层 
- C、数据链路层 
- D、访问层 
- E、网络层 
- F、应用层 
- E
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