CISSP-ISSEP: Information Systems Security Engineering Professional

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QuestionQ182

VerifiedSystems Security Engineering Foundations

Which of the following firewall types functions at the OSI model’s Network layer and can filter data based on port, interface address, source address, and destination address?

Explanation

A packet-filtering firewall operates primarily at the Network layer and evaluates packet header information, including source and destination IP addresses, interfaces, and port numbers, to allow or deny traffic.

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