Which type of firewalls will inspect and filter network traffic based on OSI model Layer 3 and 4 information?

Which type of firewalls will inspect and filter network traffic based on OSI model Layer 3 and 4 information?

• packet filtering
• stateful firewall
• application gateway firewall
• next generation firewall

Explanation: Packet filtering firewalls are usually part of a router firewall, which permits or denies traffic based on Layer 3 and 4 information. Stateless firewalls use a simple policy table look-up that filters traffic based on specific criteria.

Exam with this question: Network Support and Security 3.7.3 Network Security Quiz
Exam with this question: Network Support and Security: My Knowledge Check Answers