Which of the following techniques can be used to sanitize the data contained on a hard drive while allowing for the hard drive to be repurposed?

Question

Options

• ADegaussing
• BDrive shredder
• CRetention platform
• DWipe tool

• B
  3% (1)
• C
  5% (2)
• D
  92% (36)

Explanation

A wipe tool overwrites all data on a hard drive with zeros, ones, or random patterns, effectively destroying the data while leaving the drive physically intact and fully functional for reuse - making it the only option here that satisfies both requirements.

Why the distractors are wrong:

• A. Degaussing uses a powerful magnetic field to erase data, but it also destroys the drive's magnetic orientation and servo tracks, rendering most modern hard drives permanently unusable - it cannot be repurposed.
• B. Drive shredder physically destroys the drive into fragments - effective for data destruction, but the drive is obviously unrecoverable and cannot be reused.
• C. Retention platform is not a recognized data sanitization method; it refers to data storage/archival, not destruction.

Memory tip: Think "wipe = clean slate." Just like wiping a whiteboard leaves it blank but usable again, a wipe tool leaves the drive blank but still functional. Any method that's physical (shredding, degaussing) destroys the hardware too - only a software approach preserves reusability.

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