The chain of connections from a device to a switch on your network is as follows:

Device > LC/LC patch cable > Patch Panel > Cross-connect fiber cable > Patch Panel > LC/LC patch cable > Switch
Despite using known working patch cables, the connection isn't working, and the device was tested and was working before being installed. What is the most likely cause of a problem in this connection?

A) Faulty cross-connect fiber cable
B) Incompatible LC/LC patch cables
C) Incorrect switch configuration
D) Defective device