A firewall may be designed to operate as a filter at the level of IP packets or may operate at a higher protocol layer.

Name: A firewall may be designed to operate as a filter at the level of IP packets or may operate at a higher protocol layer.
Brand: Quizplus
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Question

Quizplus · Accepted Answer

Firewalls can operate at different layers of the OSI model, including filtering IP packets at the network layer or operating at higher layers to filter based on protocols, applications, or session information.

A Firewall May Be Designed to Operate as a Filter