A company wants to migrate a 50 TB on-premises NFS file share to Amazon EFS. The migration must be done securely over the internet, as there is no Direct Connect or VPN. The data changes frequently, so a final sync is required just before cutover. Which AWS service is BEST suited for this migration?

Answer options:

AWS Snowball Edge

AWS DataSync

AWS Storage Gateway

Amazon S3 Transfer Acceleration

How to approach this question

Identify the online data transfer service.

Full Answer

B.AWS DataSync✓ Correct

AWS DataSync is an online data transfer service that simplifies, automates, and accelerates moving data between on-premises storage systems and AWS storage services (like EFS). It securely handles incremental transfers.

Common mistakes

Choosing Snowball for data that changes frequently and requires a fast final sync.

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