Which type of firewall filters information at Layers 3, 4, 5, and 7 of the OSI reference model?
- Host-based
- Hybrid
- Application gateway
- Packet filtering
- Stateful
Explanation: An application gateway firewall filters information at Layers 3, 4, 5, and 7 of the OSI reference model.
Exam with this question: 9.1.3 Check Your Understanding - Identify the Type of Firewall
Exam with this question: 12.2.4 Check Your Understanding - Identify the Type of Firewall
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