SAP-C02 Practice Question 90: DataSync Other Cloud Storage to S3
AWS Certified Solutions Architect – Professional (SAP-C02) · Test 9 · question 10 of 10
A company is moving 250 TB of data from a bucket in another cloud provider's object storage to Amazon S3 over a 10 Gbps internet connection. The data keeps changing until the application is cut over in eight weeks, so the company needs an initial bulk copy followed by repeated incremental transfers of only new or changed objects. It also wants the transfers to be scheduled and monitored, the copies to be verified, and no custom copy scripts or long-lived servers to operate.
Which solution should the solutions architect recommend?
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Answer:
AWS DataSync lists *"other cloud storage"* as a supported source with Amazon S3 as the destination, and it needs an agent only in Basic task mode, since *Enhanced* mode can run without one. A DataSync task is a managed transfer that compares source and destination, so the first run copies everything and later scheduled runs copy only new or changed data, and it verifies data integrity and reports task progress. That meets the bulk-plus-incremental, scheduled, verified and no-custom-code requirements (option C).
- A is wrong because scripts on EC2 instances are custom code that the company must write, scale, monitor and verify, and the instances have to be operated until cutover. - B is wrong because S3 Batch Operations acts on objects that are already in Amazon S3. It cannot read objects from another provider's storage. - D is wrong because a file gateway presents a file interface for on-premises clients, and using it here would need another copy step and a server to run, without built-in verification or incremental comparison against the source.