Joe, a user, has a computer that has a link light on his network interface card (NIC); however, Joe

is unable to access the Internet. Which of the following is the cause of this issue?

A.
Faulty GBIC

B.
Faulty SFP

C.
Cable is a crossover

D.
VLAN mismatch

Explanation:
As user has link light on NIC that means he has connectivity with switch so he need to check his
vlan assignment.