Which of the following would have provided an alternative simpler solution?

To facilitate compliance with the Internet use portion of the corporate acceptable use policy, an administrator implements a series of proxy servers and firewalls. The administrator further recommends installation of software based firewalls on each host on the network. Which of the following would have provided an alternative simpler solution?

A.
Internet content filter

B.
Hardware IDS

C.
Software HIPS

D.
DMZ