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DEA-C01 Practice Question 86: S3 Replication Time Control DR

AWS Certified Data Engineer – Associate (DEA-C01) · Test 9 · question 6 of 10

Data Store Managementmedium

A company keeps a data lake in Amazon S3 and must maintain a copy in a second Region for disaster recovery. Its compliance team requires that objects are replicated within a predictable time (99.9% within 15 minutes), and that the company is notified when replication misses that threshold. Which configuration meets these requirements?

Select one answer
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Answer:

  • D. Cross-Region Replication with S3 Replication Time Control enabled

S3 Replication Time Control (S3 RTC) *"helps you meet compliance or business requirements for data replication and provides visibility into Amazon S3 replication times,"* replicating *"most objects that you upload to Amazon S3 in seconds, and 99.9 percent of those objects within 15 minutes."* It provides S3 Replication metrics and S3 Event Notifications (OperationMissedThreshold and OperationReplicatedAfterThreshold) that notify the bucket owner when replication exceeds or occurs after the 15-minute threshold (option D).

- A is wrong because standard replication has no time commitment and does not publish the threshold events, so it cannot show that the requirement is met. - B is wrong because a weekly job leaves new objects unreplicated for days. - C is wrong because an hourly scheduled copy cannot meet a 15-minute target, and it is not tracked by replication metrics or events.

Reference: Meeting compliance requirements with S3 Replication Time Control

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