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CISSP study material · question 169 of 500

A team can either overwrite through ordinary write commands or issue the drive's dedicated sanitize command. What trade-off does NIST SP 800-88 Rev. 2 describe?

  1. The dedicated command may only be used on media the organisation owns outright.
  2. The dedicated command reaches areas ordinary writes cannot, but relies on the vendor having implemented it correctly.
  3. Ordinary writes are more thorough but leave the media unusable afterwards.
  4. The dedicated command is faster but only qualifies as a clear, never a purge.
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Answer: B. The dedicated command reaches areas ordinary writes cannot, but relies on the vendor having implemented it correctly.

Dedicated sanitize commands address all storage areas more effectively, but using them requires trust and assurance that the vendor implemented the commands as expected.

Source: NIST SP 800-88 Rev. 2 (NIST) — SP 800-88 Rev. 2 > 3.1.1 Clear Sanitization Method

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