Your network contains a server named Server1 that has System Center 2012 Virtual Machine Manager (VMM) installed.
You have a host group named HG1.
HG1 contains four virtualization hosts named Server2, Server 3, Server4, and Server5.
You plan to provide users with the ability to deploy virtual machines by using the Self-Service Portal.
The corporate management policy states that only the members of a group named Group1 can place virtual machines on Server2 and Server3 and only the
members of a group named Group2 can place virtual machines on Server4 and Server5.
You need to recommend a cloud configuration to meet the requirements of the management policy.
What should you recommend?

A.
Create two clouds named Cloud1 and Cloud2.
Configure placement rules for HG1.

B.
Create two host groups named HG1\\Group1 and HG1\\Group2.
Create one cloud for each new host group.
Move two servers to each host group.

C.
Create two clouds named Cloud1 and Cloud2.
Configure the custom properties of each cloud.

D.
Create a host group named HG1\\HG2.
Create one cloud for HG1 and one cloud for HG2.
Move two servers to HG2.

Explanation:
http://technet.microsoft.com/en-us/library/bb740793