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How do you use RTO, MAO, and RPO in planning information risk management activities?
A. Return to operations (RTO) is the desired time to get all business processes back into operation, whether on backup or workaround systems or on production systems. The recovery point objective (RPO) sets priorities for which systems to bring up first, or for which business processes to get back into operation before others (of lower priority).
B. The maximum acceptable outage (MAO) relates to the mission or business objectives; if multiple systems support those objectives, then all of their recovery time objectives (RTOs) must be less than or equal to the MAO.
C. The recovery time objective (RTO) must be less than or equal to the maximum acceptable outage. The MAO sets a maximum downtime (outage time) before mission impact becomes unacceptable; the RTO can be used to emphasize faster than MAO restoration.
D. The recovery point objective (RPO) establishes the maximum amount of data that is lost due to a risk event.