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CheckPoint® CCSA (CheckPoint Certified Security Administrator)
Practice Questions: ISO Reference
Home CCSA Practice Questions Next
Q1. Which of the following Firewall technology works at the Network Layer of ISO/OSI model?
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A. Application Layer Gateways B. Authentication Servers C. Encryption Servers D. Packet Filters
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Correct Answer: D.
Explanation:
1. The Packet Filters work at Network Layer of ISO/OSI stack.
2. The Application Layer Gateways work at the Application Layer of ISO/OSI stack.
3. A Firewall implemented with stateful technology (like Checkpoint Firewall-1) works at all layers of IS/OSI model.