Explanation:
AWS DataSync is purpose-built for automated, scheduled data transfers from on-premises to S3. It supports multiple file formats, handles incremental transfers (syncing only changed files), includes built-in data integrity verification, encryption, and scheduling — all without requiring custom code or pipeline development. It is the most operationally efficient service for this pattern.
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Question 30. A data engineer needs to securely transfer 5 TB of data from an on-premises data center to an Amazon S3 bucket. Approximately 5% of the data changes every day. Updates to the data need to be regularly proliferated to the S3 bucket. The data includes files that are in multiple formats. The data engineer needs to automate the transfer process and must schedule the process to run periodically. Which AWS service should the data engineer use to transfer data in the MOST operationally efficient way?
A
AWS DataSync
B
AWS Glue
C
AWS Direct Connect
D
Amazon S3 Transfer Acceleration
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