Which security tool monitors network traffic as it flows into and out of the organization and determines whether packets belong to an existing connection or are from an unauthorized source?
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Which security tool monitors network traffic as it flows into and out of the organization and determines whether packets belong to an existing connection or are from an unauthorized source?
- web security appliance
- intrusion protection system
- application proxy
- stateful firewall
Explanation: A stateful firewall filters packets based on state information maintained in a state table. Because it uses state information, the stateful firewall can analyze traffic at OSI Layers 4 and 5.
Related exam: CCNA Security Chapter 4 Exam Answers
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