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      Question

      Which network security device typically enforces a

      policy based on IP, port and protocol and can operate at transport and application layer when deep inspection is enabled?
      A Switch Correct Answer Incorrect Answer
      B Firewall Correct Answer Incorrect Answer
      C Hub Correct Answer Incorrect Answer
      D DNS server Correct Answer Incorrect Answer
      E Load balancer Correct Answer Incorrect Answer

      Solution

      Firewalls enforce IP/port/protocol policies; modern next-gen firewalls can do deep packet inspection up to application layer.

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