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    Question

    What is the purpose of a firewall in a computer

    system?
    A Block spam emails Correct Answer Incorrect Answer
    B Block unauthorized access Correct Answer Incorrect Answer
    C Speed up network traffic Correct Answer Incorrect Answer
    D Increase memory capacity Correct Answer Incorrect Answer
    E Control user permissions Correct Answer Incorrect Answer

    Solution

    Firewalls are used to block unauthorized access to your system from external networks, enhancing security.

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