What causes a port to be placed in the err-disabled state?
- A. latency
- B. port security violation
- C. shutdown command issued on the port
- D. nothing plugged into the port
Correct Answer: B
Explanation: This mode is the default violation mode; when in this mode, the switch will automatically force the switchport into an error disabled (err-disable) state when a violation occurs. While in this state, the switchport forwards no traffic. The switchport can be brought out of this error disabled state by issuing the errdisable recovery cause CLI command or by disabling and reenabling the switchport.
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