DS0-001 · Question #70
DS0-001 Question #70: Real Exam Question with Answer & Explanation
The correct answer is D: RPO. RPO (Recovery Point Objective) is correct because it defines the maximum acceptable age of data that must be recoverable after a disaster - essentially, how far back in time you can tolerate losing data. For example, an RPO of 4 hours means backups must be no older than 4 hours.
Question
Which of the following sets the age requirement for data that should be recovered after a major disaster?
Options
- AMTBF
- BRTO
- CMTTF
- DRPO
Explanation
RPO (Recovery Point Objective) is correct because it defines the maximum acceptable age of data that must be recoverable after a disaster - essentially, how far back in time you can tolerate losing data. For example, an RPO of 4 hours means backups must be no older than 4 hours.
RTO (Recovery Time Objective) is wrong because it measures how long recovery takes (downtime tolerance), not how old the recovered data can be - it's about time-to-restore, not data age.
MTBF (Mean Time Between Failures) is wrong because it's a reliability metric measuring the average time between system failures - a hardware/availability stat, not a recovery data concept.
MTTF (Mean Time To Failure) is wrong because it measures how long a non-repairable component lasts before failing - again a reliability metric, unrelated to disaster recovery data age.
Memory tip: Think of RPO as your "data expiration date" - the P stands for Point in time, anchoring it to when your data was last good. If RTO is "how fast can I get back up," RPO is "how far back in time am I going."
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