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CompTIA A+ 220-1102 Practice Question

An organization needs to securely dispose of several hard drives that previously contained sensitive customer information. Which of the following methods is the most effective to ensure the data cannot be recovered?

Standard formatting
Degaussing
Erasing/wiping
Recycling

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Answer Description

Degaussing is the most effective method to ensure data cannot be recovered because it uses a powerful magnetic field to scramble the data on magnetic storage devices, making it irrecoverable. 'Standard formatting' only removes the file system references but does not actually erase the data, making it recoverable with special tools. 'Erasing/wiping' is a more reliable method than standard formatting, as it involves overwriting the existing data multiple times, but it may not be as foolproof as degaussing. 'Recycling' is intended for environmental disposal of hardware and does not address data destruction.

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CompTIA A+ 220-1102

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