You have a Windows Server 2008 R2 Hyper-V server.
You need to ensure that you are prompted to specify a custom snapshot name when you create a snapshot.
What should you use to create the snapshot?

A.
Hyper-V Manager

B.
Windows Server Backup

C.
the Virtual Machine Connection window

D.
the Backup command-line tool (also known as wbadmin.exe)