试题详情
单项选择题Which configuration is used to enable root guard?()

A、interface gig3/1  spanning-tree guard root

B、interface gig3/1  spanning-tree root guard

C、interface gig3/1  spanning-tree root-guard

D、interface gig3/1  spanning-tree root-guard default

  • A
  • 关注下方微信公众号,在线模考后查看

热门试题