AWS Certified Machine Learning – Specialty — Question 176

A company wants to create a data repository in the AWS Cloud for machine learning (ML) projects. The company wants to use AWS to perform complete ML lifecycles and wants to use Amazon S3 for the data storage. All of the company's data currently resides on premises and is 40 ׀¢׀’ in size.
The company wants a solution that can transfer and automatically update data between the on-premises object storage and Amazon S3. The solution must support encryption, scheduling, monitoring, and data integrity validation.
Which solution meets these requirements?

Answer options

• A. Use the S3 sync command to compare the source S3 bucket and the destination S3 bucket. Determine which source files do not exist in the destination S3 bucket and which source files were modified.
• B. Use AWS Transfer for FTPS to transfer the files from the on-premises storage to Amazon S3.
• C. Use AWS DataSync to make an initial copy of the entire dataset. Schedule subsequent incremental transfers of changing data until the final cutover from on premises to AWS.
• D. Use S3 Batch Operations to pull data periodically from the on-premises storage. Enable S3 Versioning on the S3 bucket to protect against accidental overwrites.

Correct answer: C

Explanation

The correct answer is C because AWS DataSync is specifically designed to transfer large amounts of data efficiently and supports features such as scheduling, encryption, and data integrity validation. Options A and D do not provide the necessary automation or support for ongoing data synchronization, while option B does not address the requirement for automatic updates.