Your company has an Active Directory Domain Services (AD DS) domain. All servers run Windows
Server 2008 R2. All client computers run Windows 7. Your environment includes Microsoft
Enterprise Desktop Virtualization (MED-V). You are preparing to update a MED-V Workspace that is
used by 1000 client computers. You need to minimize the network impact of updating the
workspace. What are the two possible ways to achieve this goal? (Each correct answer presents a
complete solution. Choose two.)

A.
Pack the Workspace images.

B.
Enable Trim Transfer on the Workspace.

C.
Send each virtual machine file storage folder to a compressed (zipped) folder.

D.
On each virtual machine file in the Workspace, enable file system compression.

Explanation:
http://technet.microsoft.com/en-us/library/ff433545.aspx