Which technical concept does Disk Mirroring use?

Question

Options

• ACalculation of data from at least two disks that is stored on another disk
• BDivision of data into blocks and spreading the data across hard drives
• CDuplication of system components for backup in case of failure
• DDuplication of data across separate hard drives

• A
  3% (1)
• B
  6% (2)
• C
  9% (3)
• D
  82% (28)

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