Your network contains an Active Directory forest. The forest contains a System Center 2012 R2 Configuration Manager Serv

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Your network contains an Active Directory forest.
The forest contains a System Center 2012 R2 Configuration Manager Service Pack (SP1) environment. The environment contains one primary site.
You need to ensure that the members of a group named Group1 are allowed to deploy applications to desktop computers.
The solution must minimize the number of permissions assigned to Group1.
What should you do?

A. Assign the Application Administrator security roleto Group1. Create a new collection that contains all of the desktop computers. Add Group1 to the local Administrators group on each desktop computer.
B. Add the Application Deployment Manager security role to Group1. Create a new collection that contains all of the desktop computers. Add Group1 to the local Administrators group on each desktop computer.
C. Assign the Application Deployment Manager security role to Group1. Create a new collection that contains all of the desktop computers. Scope Group1 to the new collection.
D. Assign the Application Administrator security role to Group1. Create a new collection that contains all of the desktop computers. Scope Group1 to the new collection.