Your company has client computers that run Windows 7 Enterprise.
You need to provide 10 users with an additional operating system boot option.
What should you do?

A.
Use the DiskPart tool in Windows PE to attach a Virtual Hard Drive (VHD).

B.
Use Bcdedit to add a native-boot Virtual Hard Drive (VHD) entry to the boot menu.

C.
Use Bootcfg to modify the boot parameters.

D.
Use Bcdboot to modify the system partition.

Explanation:
Bcdedit is the primary tool for editing the boot configuration of Windows Vista and later versions of Windows. It
is included with the Windows Vista distribution in the %WINDIR%\System32 folder.
http://technet.microsoft.com/library/cc731662.aspx