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CISM study material · question 888 of 1000

How does NIST treat power provision among preventive contingency controls?

  1. As a preventive control only for high-impact systems
  2. As a single need that is met by an uninterruptible power supply of sufficient capacity to carry the whole of the load itself
  3. As two separate needs — uninterruptible power supplies for short-term outages and generators for long-term ones
  4. As a facility concern outside contingency planning
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Answer: C. As two separate needs — uninterruptible power supplies for short-term outages and generators for long-term ones

SP 800-34r1 lists uninterruptible power supplies to provide short-term backup power and gasoline- or diesel-powered generators to provide long-term backup power as distinct preventive contingency controls.

Source: NIST SP 800-34 Rev. 1 (NIST) — Sec. 3.3 Identify Preventive Controls

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