Which type of firewall is the most common and allows or blocks traffic based on Layer 3, Layer 4, and Layer 5 information?

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Which type of firewall is the most common and allows or blocks traffic based on Layer 3, Layer 4, and Layer 5 information?

stateless firewall
packet filtering firewall
next generation firewall
stateful firewall

Exam with this question: Network Security 1.0 Final Exam Answers