You are working as a network technician at Certkiller .com. While troubleshooting a network
problem, you observe that one set of indicator lights on a network switch is blinking rapidly even
when all other nodes are disconnected. Which of the following is MOST likely the cause? (Select
TWO).

A.
a defective port on the network switch

B.
a defective network interface card in the computer

C.
a defective hard drive in the computer

D.
an unplugged server

E.
a switch that is not plugged into the server