You are working as a network technician at certways.com. The computer labs are still using a physical bus network. Which of the following could cause a complete network failure on the computer labs network?

A.
One of the networked workstations is powered off.

B.
One of the networked workstations is using the DLC (Data Link Protocol).

C.
A terminator has been removed from the end of the bus trunk cable.

D.
A terminator has been installed on the end of the bus trunk cable.