A corporation relies on a server running a trusted operating system to broker data transactions
between different security zones on their network. Each zone is a separate domain and the only
connection between the networks is via the trusted server.
The three zones at the corporation are as followeD.
Zone A connects to a network, which is also connected to the Internet through a router.
Zone B to a closed research and development network.
Zone C to an intermediary switch supporting a SAN, dedicated to long-term audit log and file
storage, so the corporation meets compliance requirements.
A firewall is deployed on the inside edge of the Internet connected router.
Which of the following is the BEST location to place other security equipment?

A.
HIPS on all hosts in Zone A and B, and an antivirus and patch server in Zone C.

B.
A WAF on the switch in Zone C, an additional firewall in Zone A, and an antivirus server in
Zone B.

C.
A NIPS on the switch in Zone C, an antivirus server in Zone A, and a patch server in Zone B.

D.
A NIDS on the switch in Zone C, a WAF in Zone A, and a firewall in Zone B.