Practice question 295 of 506 · medium
A reused disk contained deleted confidential plaintext files. Which encryption choice better covers those remnants?
Choose the single best answer.
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✓ Correct answer
- Full-volume encryption after appropriate preparation
Full-volume encryption covers existing free sectors. Used-space-only encryption can leave old plaintext remnants until overwritten. Suspension changes protector enforcement without performing free-sector encryption, and ACLs do not encrypt deleted offline sectors.
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