What should you include in your solution?

You have a computer named Computer1 that runs Windows 10 Enterprise.
You plan to install the most recent updates to Computer1.You need to ensure that you can revert to the current state of Computer1 in the event that the computer
becomes unresponsive after the update.
What should you include in your solution?

A.
A volume snapshot by using the fsutil.exe command with the volume parameter

B.
The Restore personal files option from the File History control panel item

C.
The Refresh your PC option from the PC Settings

D.
The Backup and Restore (Windows 7) control panel item

Explanation:
http://www.pcadvisor.co.uk/how-to/windows/how-back-up-windows-10-3635397/