You administer client computers that have Windows 7Professional 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.

Explanation:
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