A technician installed a new fiber optic cable to connect two sites. Although there is a link light on the port at each site, the customer reports traffic is dropping intermittently. Which of the following should the technician do NEXT to troubleshoot the issue?
A) Check the interfaces for CRC errors.
B) Check for a VLAN mismatch.
C) Check for a TX/RX reverse on the connector.
D) Check that the pinout is correct.

Question

Quizplus · Accepted Answer

CRC errors can indicate issues with the physical layer, such as signal degradation or interference, which could cause intermittent traffic drops. Checking for CRC errors is a logical next step in troubleshooting.

A Technician Installed a New Fiber Optic Cable to Connect