A switch at a remote site suddenly appears to be inaccessible. No configuration changes were made. An engineer confirms with the office attendant that the switch is powered on, and there are LEDs showing green and amber colors. However, the SFP for the fiber connection from the switch to the router shows no lighted LED. After replacing the cable and SFP with new ones, the LED still does not light up, and no connection is made. Which of the following is the MOST likely issue?
A) Disabled port
B) Electromagnetic interference
C) Incorrect gateway
D) Hardware failure
E) Wrong cable type
F) Unresponsive service

Question

Quizplus · Accepted Answer

The lack of LED light on the SFP after replacing both the cable and SFP suggests a hardware failure, as other potential issues like cable type or configuration errors have been ruled out.

A Switch at a Remote Site Suddenly Appears to Be