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 Windows8 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 Volume Activation Management Tool.

B.
Use the Microsoft Deployment Toolkit.

C.
Use the Windows 8 online upgrade tool.

D.
Create a catalog (.clg) file by using Windows System Image Manager (SIM).