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CISSP-ISSAP · Question #108

Which of the following describes the acceptable amount of data loss measured in time?

The correct answer is C. Recovery Point Objective (RPO). Recovery Point Objective (RPO) defines the maximum acceptable amount of data loss measured in time - for example, "we can tolerate losing up to 4 hours of data." It answers the question: how far back in time can we afford to restore from a backup? RTO (B) measures how long it…

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Question

Which of the following describes the acceptable amount of data loss measured in time?

Options

  • ARecovery Consistency Objective (RCO)
  • BRecovery Time Objective (RTO)
  • CRecovery Point Objective (RPO)
  • DRecovery Time Actual (RTA)

How the community answered

(34 responses)
  • A
    3% (1)
  • C
    94% (32)
  • D
    3% (1)

Explanation

Recovery Point Objective (RPO) defines the maximum acceptable amount of data loss measured in time - for example, "we can tolerate losing up to 4 hours of data." It answers the question: how far back in time can we afford to restore from a backup?

  • RTO (B) measures how long it takes to restore service after an outage (downtime tolerance), not data loss - it's about time-to-recovery, not data-loss tolerance.
  • RCO (A) refers to consistency of data across systems after recovery; it's about data integrity, not volume of loss in time.
  • RTA (D) is the actual measured time it took to recover after an incident - a post-event metric, not a planning target.

Memory tip: Think of RPO as the "Past" objective - it looks backward in time to ask "how much past data can we lose?" while RTO looks forward ("how quickly do we get back up?"). RPO = data loss in time, RTO = downtime in time.

Topics

#RPO#Disaster Recovery#Business Continuity#Recovery Planning

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