Which of the following types of firewalls ensures that the packets are part of the established session?
A. Stateful inspection firewall
B. Circuit-level firewall
C. Application-level firewall
D. Switch-level firewall
A stateful firewall is a network firewall that tracks the operating state and characteristics of network connections traversing it. The firewall is configured to distinguish legitimate packets for different types of connections. Only packets matc
hing a known active connection (session) are allowed to pass the firewall.
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