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which has been used to store confidential data. What should she do to maintain that confidentiality?

Katie is disposing of her personal computer, which has been used to store confidential data. What should she do to maintain that confidentiality?

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A.
Overwrite data on the hard disk with new data

B.
Delete all data contained on the hard disk

C.
Demagnetize the hard disk

D.
Low level format the hard disk

Explanation:
Demagnetizing the hard disk is the best way to ensure that confidential
data on the hard disk cannot be recovered. The other procedures listed can be
mitigated to some extent with recovery software.


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