You work as an IT engineer in an international company which is named Wikigo. There are many System Center Virtual Machine Manager (SCVMM) 2008 servers in the company, and you are in charge of a server named server01, which manages a server installing the Hyper-V server role. You have a virtual machine and you attempt to deploy a software update to this machine, but you need to make sure that after deploying the software update, you can restore the virtual machine to its pre-deployment state as soon as possible, so you have to find out a solution to create minimal downtime for the virtual machine. Which solution would you choose?

A.
The solution of cloning the virtual machine.

B.
The solution of creating a checkpoint for the virtual machine.

C.
The solution of exporting the virtual machine.

D.
The solution of storing the virtual machine in the VMM library.