Cyclic Redundancy Check (CRC) Quiz
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Questions and Answers

Which of the following best describes the purpose of a cyclic redundancy check (CRC)?

  • To encrypt digital data
  • To compress digital data
  • To add redundancy to digital data (correct)
  • To correct errors in digital data

    • What is the basis of the algorithm used in cyclic redundancy checks (CRCs)?

  • Polynomial division (correct)
  • Matrix operations
  • Modular arithmetic
  • Prime numbers

    • Why are CRCs popular in digital networks and storage devices?

  • They are easy to implement in binary hardware (correct)
  • They compress digital data
  • They provide encryption for digital data
  • They are resistant to noise in transmission channels

    • What is the purpose of repeating the CRC calculation on retrieval of data?

    <p>To detect data corruption</p> Signup and view all the answers

    What is the occasional use of the fixed-length check value function in CRCs?

    <p>As a hash function</p> Signup and view all the answers

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