You administer client computers that have windows 7 Professional SP1 64-bit installed.

All the computers are members of a single Active Directory domain.

You need to prevent users from installing non-trusted device drivers.

What should you do?

A.
Enable the Code signing for device drivers in a domain Group Policy.

B.
Disable the Code signing for device drivers in a domain Group Policy.

C.
Add each user to a Domain Admins group.

D.
Run the sigverif.exe command on each computer.