Refer to the exhibit. Look at the command output. What can you use to prevent this behavior? () 
- A、 UDLD (UniDirectional Link Detection)
- B、 spanning-tree loopguard
- C、 VTP mode transparent
- D、 switchport mode desirable
正确答案:A
答案解析:有

微信扫一扫手机做题
Refer to the exhibit. Look at the command output. What can you use to prevent this behavior? () 

微信扫一扫手机做题