Practice Quiz

CompTIA A+ 220-902

Category - Security

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The only way to ensure that a hard disk is completely wiped so data cannot be retrieved from it, is:
  1. Degaussing
  2. Shredding
  3. Drilling
  4. Drive Wiping
Explanation
Answer: C - The only way to ensure that a hard disk is completely destroyed is by drilling it.

Key Takeaway:
No matter how much erasing and drive wiping you do to a disk, unless you physically destroy it, data can still be retrieved. With paper products, as well as some floppy disks and CDs, we call this shredding. When it comes to hard disks, drilling is the best method.
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