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    Question

    What is a ‘Firewall' in the context of network

    security?
    A A type of malware that spreads through email attachments. Correct Answer Incorrect Answer
    B A hardware device used to boost network performance. Correct Answer Incorrect Answer
    C A software application for managing files and folders. Correct Answer Incorrect Answer
    D A security mechanism that filters and controls network traffic. Correct Answer Incorrect Answer

    Solution

    A Firewall is a network security device that monitors and filters incoming and outgoing network traffic based on an organization's previously established security policies. 

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