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CISM study material · question 419 of 1000
Why does NIST describe mission impact metrics as the hardest to generate?
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Answer: C. They must validate that the activity delivered the expected benefit, not merely that it was performed
SP 800-100 rates impact metrics hardest because full implementation is only the starting point — managers then have to show the activity is returning the benefit the mission was promised.
Source: NIST SP 800-100 (NIST) — Sec. 7.1 Metric Types