O wise and mighty gurus I need help with group policy. I have the Transcenders 70-215 practice tests. There is a question pertaining to group policy that baffles me. Here goes:
You want to deploy an application for the users in The Human Resources dept. All those users belong to the HR Global Group. You create a Windows Installer Package and you want to assign the package to the members of the HR group.
Which of the following is the easiest way to make the application available to the HR members?
a. Create a Group Policy Object (GPO) linked to the domain to which the HR group belongs, specify the package in the GPO and assign the the appropriate security permissions for the GPO to the HR group.[/b]
b. Place the HR group into the same OU, create a GPO linked to the OU and specify the package in the GPO.
c. Create a GPO linked to the HR group and specify the package in the GPO.
d. Creat a GPO linked to the domain to which the HR group belongs, specify the package in the GPO and delegate control of the GPO to the HR group.
Transcenders says that answer a is correct. Is the assign verbage a dead giveaway?  

 Can anyone explain this to me? or refer me to some good online documentation.