How would you accomplish this?

You work as a server administrator at ABC.com. After updating a device driver on a Windows
Server 2008 Server Core computer, you need to reboot the computer. You want the reboot to
occur without any delay. How would you accomplish this?

A.
You should click the Start button and select Restart.

B.
You should hold down the CTRL. ALT and DEL keys.

C.
You should run the shutdown /r /t 0 command at the command prompt.

D.
You should run the start /realtime command at the command prompt.