You are being trained on the company's process for the physical destruction of hard drives. The method used involves exposing the drives to an intense magnetic field that erases the data and usually leaves the drive permanently inoperable. What is this destruction method called?
Shredding
Incinerating
Degaussing
Drilling
The correct answer is degaussing. A degausser generates a very strong magnetic field that randomizes the magnetic domains on the platters, erasing every bit-including the servo information the drive needs to function-so the drive can no longer be reused.
The other options are also valid destruction techniques, but they work by mechanically or thermally damaging the media, not by magnetic erasure:
Because they do not rely on a magnetic field, these methods are not classified as degaussing.
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