In a network diagram, where would you place a firewall to segment a trusted network from an untrusted network?

In a network diagram, where would you place a firewall to segment a trusted network from an untrusted network?

• A. On a host-based device performing local filtering.
• B. On the internal switch only.
• C. At the network perimeter, between the internal LAN and the Internet or DMZ.
• D. Between every pair of servers.

Answer: (C)