Cryptography in Data Protection
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Questions and Answers

Which category of practical uses of cryptography is important for protecting stored data on devices such as backup tapes, flash drives, and hard drives in portable devices such as laptops?

  • Protecting data in motion
  • Neither protecting data at rest nor protecting data in motion
  • Protecting data at rest (correct)
  • Both protecting data at rest and protecting data in motion

    • Why is protecting data in motion vital?

  • Because of the sensitive exchanges
  • Because of the large amount of stored data
  • Because of the use of portable devices
  • Because of the enormous amount of business conducted over the Internet (correct)

    • Which of the following is NOT an example of protecting data at rest?

  • Storing data on flash drives
  • Storing data on backup tapes
  • Storing data on hard drives in portable devices
  • Conducting business transactions over the Internet (correct)

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