You have a Windows Server 2008 R2 Hyper-V server. Virtual machines (VMs) store data on passthrough disks. You need to design a backup solution that allows you to restore VMs. What should
you do?

A.
Back up the VMs by using Windows Server Backup within the VMs.

B.
Back up the system state on the VMs by using Windows Server Backup within the VMs.

C.
Back up the Hyper-V server by using Microsoft System Center Data Protection Manager (DPM)
2007 with SP1.

D.
Create checkpoints of the VMs by using Microsoft System Center Virtual Machine Manager
(VMM) 2008 R2.