QuestionQ691

Network and Communications Security

In a stateful-inspection firewall, at which layer is the inspection engine operating when it captures data packets?

  • A Network or Transport Layer.
  • B Application Layer.
  • C Inspection Layer.
  • D Data Link Layer.
Explanation

Stateful inspection evaluates packet information at the Network and Transport layers and maintains the state of active connections to determine whether traffic is permitted.

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