A company has an on-premises application that needs to store backups in AWS. The application requires a local cache for low-latency access to recently used data, but the bulk of the data should be stored in Amazon S3 to reduce costs. Which AWS service meets these requirements?

Answer options:

AWS DataSync

AWS Storage Gateway (Cached Volume)

AWS Storage Gateway (Stored Volume)

AWS Snowball Edge

How to approach this question

Look for 'local cache' and 'bulk of data in S3'. This describes the Cached Volume mode of AWS Storage Gateway.

Full Answer

B.AWS Storage Gateway (Cached Volume)✓ Correct

AWS Storage Gateway Cached Volumes allow you to use Amazon S3 as your primary data storage while retaining frequently accessed data locally in your storage gateway.

Common mistakes

Confusing Cached Volumes (primary data in S3) with Stored Volumes (primary data local).

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