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CISM study material · question 676 of 1000

What distinguishes observational data in NIST's account of measurement?

  1. It is gathered by asking the subjects themselves to report on their own behaviour over a defined measurement period
  2. It is produced only by manual review
  3. It is derived from published industry benchmarks rather than from the organisation's own estate and the logs it keeps
  4. It is captured through observation of activity or behaviour without the direct involvement of the subject
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Answer: D. It is captured through observation of activity or behaviour without the direct involvement of the subject

SP 800-55v1 defines observational data as capturing data through the observation of an activity or behaviour without the direct involvement of the subject, giving log management tools collecting network activity as its example.

Source: NIST SP 800-55 Vol. 1 (NIST) — Sec. 2.1 Measurement and Quantitative Assessment

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