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    Question

    Port number for data and control of FTP protocol

    A 21 for control, 19 for data transfer Correct Answer Incorrect Answer
    B 21 for control, 22 for data transfer Correct Answer Incorrect Answer
    C 21 for control, 20 for data transfer Correct Answer Incorrect Answer
    D 23 for control, 20 for data transfer Correct Answer Incorrect Answer
    E None Correct Answer Incorrect Answer

    Solution

    The correct answer is C

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