What feature allows a firewall to permit traffic to flow from a trusted network (for example, a corporate intranet) to an untrusted network (for example, the Internet) and then allow return traffic for that session, while blocking sessions initiated on the untrusted network?

a. Packet filtering
b. Stateful inspection
c. Demilitarized zone
d. Implicit deny all instruction


Answer: b. Stateful inspection

Computer Science & Information Technology

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