2. 计算机
  3. Which line from the output of the show ip interface command indicates that there is a Layer 1 problem?

Which line from the output of the show ip interface command indicates that there is a Layer 1 problem?

admin2009-05-19  17
问题 Which line from the output of the show ip interface command indicates that there is a Layer 1 problem?
选项 A、Serial0/1 is up, line protocol is down
B、Serial0/1 is down, line protocol is down
C、Serial0/1 is up, line protocol is up
D、Serial0/1 is administratively down, line protocol is down
E、None of the above
答案B
解析 Explanation:
When the physical interface itself is down, then the problem is related to layer 1. When it is up, but the line protocol is down, then the problem is related to layer 2.

转载请注明原文地址:https://jikaoti.com/ti/EQO7FFFM
本试题收录于： 思科640802题库思科认证分类
0

思科640802

思科认证

相关试题推荐
随机试题
最新回复(0)