You have a SharePoint Server 2010 Service Pack 1 (SP1) server farm. You need to prevent a user
from modifying his My Sites personal site. The user must be able to view his personal site. What
should you do?

A.
Create a Web Application user policy.

B.
Modify the Access Services settings.

C.
Modify the Site Collection Quota and Locks settings.

D.
Modify the permissions of the User Profile Service Application.

Explanation:
http://technet.microsoft.com/en-us/library/cc263480.aspx
http://technet.microsoft.com/en-us/library/cc263238.aspx