AWS Certified Solutions Architect - Professional
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A company is transitioning its application from on-premises to AWS. The initial step involves migrating the application's data storage to AWS. The data is currently stored on a shared file system accessible via SMB from on-premises application servers. A solutions architect needs to set up a solution using an Amazon S3 bucket for shared storage. The application must maintain SMB access to the data until it is fully migrated and its code is updated to use native S3 APIs. The architect must ensure the data is transferred to AWS while preserving on-premises access. Which solution meets these criteria?
Explanation:
The correct answer is A. Amazon FSx for Windows File Server provides a fully managed Microsoft Windows file system that is accessible from application servers using the SMB protocol, just like the current on-premises setup. By configuring AWS DataSync to migrate the data from the on-premises file share to the new Amazon FSx file system, the application can continue to access the data via SMB until it is fully migrated to AWS and the code is updated to use native S3 APIs. Options B, C, and D do not provide a direct SMB interface that is necessary for the application to continue functioning during the transition period.