Your media analytics platform ingests live video events into Pub/Sub, processes them with real-time Dataflow jobs, and stores results in BigQuery. Business continuity targets state: Service should resume processing within 15 minutes after any regional failure, and analysts accept losing up to the last 5 minutes of processed data. Which combination of DR metrics correctly captures these targets?
Recovery Point Objective ≤ 15 minutes and Recovery Time Objective ≤ 5 minutes
Recovery Time Objective ≤ 15 minutes and Recovery Point Objective ≤ 5 minutes
Recovery Point Objective ≤ 5 minutes and Mean Time Between Failures ≤ 15 minutes
Mean Time To Restore ≤ 15 minutes and Recovery Point Objective ≤ 5 minutes
The time allowed to bring a workload back into operation after a disruption is the Recovery Time Objective (RTO). The amount of data that may be lost, measured as the time between the last consistent backup and the failure, is the Recovery Point Objective (RPO). Therefore, an RTO of no more than 15 minutes (service restoration target) and an RPO of no more than 5 minutes (data-loss tolerance) satisfy the stated requirements. The other options either invert the two metrics or substitute different availability metrics that do not express both required aspects of disaster recovery.
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What is the difference between RTO and RPO?
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How does Pub/Sub ensure reliability and data retention during regional failures?
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What is Recovery Time Objective (RTO)?
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What is Recovery Point Objective (RPO)?
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GCP Professional Data Engineer
Designing data processing systems
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