Assuming this diagram represents an internal facility and the organization is implementing a firewall protection
program, where should firewalls be installed?
A.
No firewalls are needed
B.
Op-3 location only
C.
MIS (Global) and NAT2
D.
SMTP Gateway and op-3
Explanation:
The objective of a firewall is to protect a trusted network from an untrusted network; therefore, locations
needing firewall implementations would be at the existence of the external connections. All other answers are
incomplete or represent internal connections.