An administrator gets a call that multiple users do not have network access to the company server
that they have been using for five years. Users can access the other servers and computers in the
building and check their home email accounts. The administrator tests the server’s Ethernet cable,
verifies it works, and plugs it back into the NIC only to receive no status lights. Which of the
following BEST indicates the problem?

A.
The DNS server is down.

B.
The NIC driver on the server is malfunctioning.

C.
The DHCP server is down.

D.
The server’s NIC is malfunctioning.