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    Question

    What is the purpose of a subnet mask in IP

    addressing?
    A To identify the network portion of an IP address Correct Answer Incorrect Answer
    B To convert decimal IP addresses to binary Correct Answer Incorrect Answer
    C To prevent unauthorized access to a network Correct Answer Incorrect Answer
    D To encrypt data transmitted over the network Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    To identify the network portion of an IP address

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