AWS Certified Developer Associate DVA-C02 Practice Question
A developer is required to manage the lifecycle of objects in an Amazon S3 bucket used for data analysis. The objects are frequently accessed for the first 30 days, occasionally accessed for the next 60 days, and rarely accessed thereafter. Which lifecycle configuration should the developer apply to optimize cost without compromising data availability?
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Transition to S3 Standard-Infrequent Access after 30 days and to S3 Glacier after 90 days.
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Leave the objects in S3 Standard for unlimited time to ensure rapid access.
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Transition to S3 One Zone-Infrequent Access after 30 days and delete objects after 90 days.
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Immediately store the objects in S3 Glacier upon creation.
The developer should transition the objects to S3 Standard-Infrequent Access after 30 days because it is designed for data that is accessed less frequently but requires rapid access when needed. After 90 days, the objects should be moved to Amazon S3 Glacier or S3 Glacier Deep Archive, which are suitable for archiving data that is rarely accessed. The other answers are incorrect because they do not appropriately align with the change in access patterns described, or they incur higher costs without providing the necessary access speed.
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