Question

    .__________ is a block of data  that can be attached

    to documents such as PDFs , word processing files, and e-mail messages. It contains a unique code that verifies a person's identity.
    A Data streaming Correct Answer Incorrect Answer
    B Wizard Correct Answer Incorrect Answer
    C Digital Signature Correct Answer Incorrect Answer
    D Kerning Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    The correct answer is C

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