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Free Eccouncil 212-81 Questions

    1. Page: 1/42
      Total 206 Questions
    Question No 1
    What is Kerchoff's principle?
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    Question No 2
    When learning algorithms, such as RSA, it is important to understand the mathematics being used. In RSA, the number of positive integers less than or equal to some number is critical in key generation. The number of positive integers less than or equal to n that are coprime to n is called ______.
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    Question No 3
    The Clipper chip is notable in the history of cryptography for many reasons. First, it was designed for civilian used secure phones. Secondly, it was designed to use a very specific symmetric cipher. Which one of the following was originally designed to provide built - in cryptography for the Clipper chip?
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    Question No 4
    Which of the following is an asymmetric cipher?
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    Question No 5
    Juanita has been assigned the task of selecting email encryption for the staff of the insurance company she works for. The various employees often use diverse email clients. Which of the following methods is available as an add - in for most email clients?
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    1. Page: 1/42
      Total 206 Questions