An adminstrator has designed a system as an Internet proxy server. This system has been installed with packages that support the proxy software and secure administration. All other packages have been removed from the system. Which statement describes the system installation?

A.
This system has been hardened.

B.
This system has a standard installation metacluster.

C.
This system has been installed using strict minimization.

D.
This system has been installed using loose minimization.