A DHCP enabled computer on the network has been unplugged from the network for a week. In
the mean time, several other computers were added to the network. When plugging the computer
back into the network the computer is unable to reach network resources. Which of the following
is the MOST likely cause?

A.
The DHCP scope needs to be redefined.

B.
The DHCP pool limit has been reached.

C.
The IP address lease has expired on the DHCP server.

D.
The DHCP server needs to be restarted.