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.