You need to recommend a solution to minimize the amount of disk space used for the checkpoint of VM1

Your network contains an Active Directory domain named contoso.com. The domain contains a server named
Server1. Server1 runs Windows Server 2012 R2 and has the Hyper-V server role installed.
On Server1, you create and start a virtual machine named VM1. VM1 is configured as shown in the following
table.

You plan to create a checkpoint of VM1.
You need to recommend a solution to minimize the amount of disk space used for the checkpoint of VM1.
What should you do before you create the checkpoint?

A.
Decrease the Maximum RAM.

B.
Convert disk1.vhd to a dynamically expanding disk.

C.
Run the Stop-VM cmdlet.

D.
Run the Resize-VHD cmdlet.

Explanation:
VM’s RAM won’t be saved.