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CISM study material · question 691 of 1000

Which two characteristics does NIST require of a meaningful metric? Choose two.

  1. Comparable with previous measurements
  2. Reported only to senior leaders
  3. Expressed in monetary units
  4. Tied to a fixed reference or point in time
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Answer: D. Tied to a fixed reference or point in time
A. Comparable with previous measurements

SP 800-55v1 wants a metric's value objective, accurate and precise, anchored to a fixed reference or moment, reproducible, and set against earlier measurements.

Source: NIST SP 800-55 Vol. 1 (NIST) — Sec. 2.4 Metrics

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