Which service should the solutions architect use?

A company is migrating from an on-premises infrastructure to the AWS Cloud One of the company’s applications stores files on a Windows file server farm that uses Distributed File System Replication (DFSR) to keep data in sync A solutions architect needs to replace the file server farm

Which service should the solutions architect use?
A . Amazon EFS
B . Amazon FSx
C . Amazon S3
D . AWS Storage Gateway

Answer: B

Explanation:

Migrating Existing Files to Amazon FSx for Windows File Server Using AWS DataSync

We recommend using AWS DataSync to transfer data between Amazon FSx for Windows File Server file systems. DataSync is a data transfer service that simplifies, automates, and accelerates moving and replicating data between on-premises storage systems and other AWS storage services over the internet or AWS Direct Connect. DataSync can transfer your file system data and metadata, such as ownership, time stamps, and access permissions.

Reference: https://docs.aws.amazon.com/fsx/latest/WindowsGuide/migrate-files-to-fsx-datasync.html