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Spanning Tree Protocol - Technical MCQs

Q1:

Your switch has a port status LED that is alternating between green and amber. What could this indicate?

A The port is experiencing errors.

B The port is shut down.

C The port is in STP blocking mode.

D Nothing; this is normal.

ANS:A - The port is experiencing errors.

When you connect to a switch port, at first the link lights are orange/amber, and then they turn green, indicating normal operation. If the link light is blinking, you have a problem.