You are the network administrator for . The network consists of a single Active Directory domain All network servers run Windows Server 2003, and all client computers run Windows 2000 Professional. You need to standardize the desktop environment for all client computers. Your solution must prevent domain users from permanently modifying their regional settings or the desktop background. Which two actions should you perform? （）(Each correct answer presents part of the solution. Choose two)

A. Specify the profile's network path in the user properties in Active Directory Users and Computers.
B. Specify the profile's local path in the user properties in Computer Management,
C. Specify the profile's network path in the user properties in Computer Management.
D. In the network share where profiles reside, rename Ntuser.dat to Ntuser.man.
E. In the local profile directory, rename Ntuser.dat to Ntuser.man.
F. In the network share where profiles reside, rename the Ntuser.ini to Ntuser.man.