Which of the following statements regarding device drivers are TRUE?

A.
Only signed device drivers may be installed in Windows Server 2008 R2.

B.
Only device drivers written by Microsoft may be installed in Windows Server 2008 R2.

C.
Only device drivers that are compatible with both 32-bit and 64-bit operating systems may be
installed in Windows Server 2008 R2.

D.
Any device driver that is compatible with Windows Server 2003 may be installed in Windows
Server 2008 R2.

Explanation:
Drivers included on the Windows installation DVD or downloaded from Microsofts
update website are digitally signed. A driver that lacks a valid digital signature or was altered after
it was signed cannot be installed on 64-bit versions of Windows.