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CISM study material · question 945 of 1000
Why does NIST require the distribution of a contingency plan to be marked and controlled, with a record of holders?
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Answer: A. Because the plan contains sensitive operational and personnel information
SP 800-34r1 treats the plan as holding operational and personnel detail that is potentially sensitive, so copies are marked and their distribution controlled, with the coordinator noting who holds each.
Source: NIST SP 800-34 Rev. 1 (NIST) — Sec. 3.6 Plan Maintenance