N10-009 · Question #211
Which of the following disaster recovery metrics describes the average length of time a piece of equipment can be expected to operate normally?
The correct answer is D. MTBF. MTBF (Mean Time Between Failures) is the disaster recovery metric that quantifies the average expected operational uptime of equipment before it fails.
Question
Which of the following disaster recovery metrics describes the average length of time a piece of equipment can be expected to operate normally?
Options
- ARPO
- BRTO
- CMTTR
- DMTBF
How the community answered
(54 responses)- A4% (2)
- B2% (1)
- C2% (1)
- D93% (50)
Why each option
MTBF (Mean Time Between Failures) is the disaster recovery metric that quantifies the average expected operational uptime of equipment before it fails.
RPO (Recovery Point Objective) defines the maximum acceptable amount of data loss, measured as a time interval from the point of failure.
RTO (Recovery Time Objective) defines the maximum acceptable downtime or the target time within which a business process must be restored after a disaster.
MTTR (Mean Time To Recover/Repair) measures the average time it takes to repair a failed system or component and return it to operational status.
MTBF (Mean Time Between Failures) is a measure of a system's reliability, indicating the predicted average time a device or component is expected to operate normally between inherent failures. It's a key metric for assessing the longevity and stability of hardware.
Concept tested: Disaster recovery metrics (MTBF)
Source: https://learn.microsoft.com/en-us/compliance/regulatory/offering-dr-bcdr-mtbf-mttr-rto-rpo
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