AWS Certified Solutions Architect Associate SAA-C03 Practice Question
A company stores several terabytes of application logs on its on-premises NAS. Data analysts in AWS need an up-to-date copy of the logs in an Amazon S3 bucket every night for batch analytics in Amazon Athena. The transfer must:
run automatically on a defined schedule (for example, nightly at 01:00),
copy only data that has changed since the previous run,
minimize the impact on the production storage and network during business hours.
Which AWS service should the solutions architect use to meet these requirements?
AWS DataSync is purpose-built for moving data between on-premises storage and AWS storage services such as Amazon S3, Amazon EFS, and Amazon FSx. You deploy a DataSync agent on-premises and create a task that can be scheduled with cron or rate expressions (minimum interval 1 hour). DataSync automatically performs incremental transfers of only changed data and offers bandwidth throttling to reduce impact on the local network.
AWS Storage Gateway (file, volume, or tape) provides a persistent hybrid storage layer but does not natively perform scheduled one-way transfers. AWS Direct Connect provides dedicated network connectivity but does not automate data movement. Amazon Kinesis Data Streams is optimized for real-time streaming rather than batch, scheduled transfers.
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What are some examples of services that can automate and schedule data transfer to the cloud?
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How does AWS DataSync minimize the impact on local infrastructure during data transfer?
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