CompTIA Network+ (N10-006) — Question 70

A technician is called to investigate a connectivity issue to a remote office that is connected by fiber optic cable. Using a light meter, it is determined that the Db loss is excessive. The installation has been working for several years. The switch was recently moved to the other side of the room and a new patch cord installed.
Which of the following is MOST likely the cause of the issue?

Answer options

Correct answer: D

Explanation

The most likely cause of excessive Db loss after moving the switch and installing a new patch cord is dirty connectors, which can significantly affect signal quality. Distance limitations and bend radius limitations are less probable since the installation had been functioning properly for years. A wavelength mismatch is also unlikely in this scenario, as it typically affects compatibility rather than immediate connectivity issues.