试题详情
单项选择题 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

  • A
  • 关注下方微信公众号,在线模考后查看

热门试题