STP 端口在下列哪种状态之间转化时存在 Forward Delay?( )
A.Blocking- Listening B.listening-learning C.Learning-Forwarding D.Disabled-Blocking E.Forwarding-disabled正确答案BC
STP 端口在下列哪种状态之间转化时存在 Forward Delay?( )
A.Blocking- Listening B.listening-learning C.Learning-Forwarding D.Disabled-Blocking E.Forwarding-disabled正确答案BC
