You have an answer file for a Windows 7 installation. You need to perform an unattended installation of Windows 7 by using the answer file. You must achieve this goal by using the minimum amount of administrative effort. What should you do?

A.
Name the answer file autounattend.xml and save it to a USB disk. Start the computer from the Windows 7 DVD.

B.
Name the answer file autounattend.ini and save it to a USB disk. Start the computer from the Windows 7 DVD.

C.
Name the answer file unattend.xml and save it to a USB disk. Start the computer from the Windows Preinstallation Environment (Windows PE).

D.
Name the answer file unattend.txt and save it to a USB disk. Start the computer from the Windows Preinstallation Environment (Windows PE).