Which two methods should you choose?

A company has an Active Directory Domain Services (AD DS) domain. All client computers
run Windows 7.
You plan to upgrade the client computers to Windows 8 Pro.
You need to choose the methods that do not require the manual entry of a product key
during the upgrade.
Which two methods should you choose? (Each correct answer presents a complete
solution. Choose two.)

A.
Use the Windows 8 online upgrade tool.

B.
Use Group Policy to assign the Windows 8 installation file to the client computers.

C.
Use the Microsoft Deployment Toolkit.

D.
Extract the contents of the Windows 8 .iso image file to a new shared folder and run the
setup program from that folder.