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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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