Question

    Once____________ has infected a substantial number of computer systems, it generates revenue either by displaying advertisements or using "pay per click" mechanism to charge its clients against the number of clicks on their displayed ads.

    A Worms Correct Answer Incorrect Answer
    B virus Correct Answer Incorrect Answer
    C spyware Correct Answer Incorrect Answer
    D adware Correct Answer Incorrect Answer

    Solution

    The correct answer is D

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