QuestionQ7Verified/Infrastructure and System SecurityCopy linkReport a problemAsk AstroTutorSave questionWhich of the following firewall types operates at the Session layer of the OSI model?ACircuit-level firewallBApplication-level firewallCPacket filtering firewallDSwitch-level firewallShow AnswerAnswerExplanationA circuit-level firewall operates at the OSI Session layer (Layer 5), controlling connections by validating or relaying communication sessions. Packet-filtering firewalls primarily use network- and transport-layer information, while application-level firewalls inspect application-layer traffic.Learn moreNIST SP 800-41 Rev. 1, Guidelines on Firewalls and Firewall PolicyShow comments0Show commentsCommunity DiscussionNo comments yet. Be the first to start the discussion!
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