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One way to preserve integrity of a document is through use of a

  • A.
    Eye-Rays
  • B.
    Finger Print
  • C.Biometric
  • D.
    X-Rays

Answer: B

Correct answer: Finger Print

A hash of the document, called its fingerprint, is short, fixed in length, and changes completely if a single bit of the document changes - which is what makes it a check on integrity.

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