If an interface shows a status of Up/Down, what is the most likely cause of the problem to be investigated?
A) Physical line status
B) IP configuration
C) TCP/UDP configuration
D) Layer 2 configuration

Question

Quizplus · Accepted Answer

D) The interface status Up/Down means that the interface's line state is up but its protocol state is down. Because the protocol state status code displays a status based on Layer 2, this should be the first place to look to correct the problem.

If an Interface Shows a Status of Up/Down, What Is