A company wants to migrate its on-premises NFS file workload to AWS while preserving file-level access semantics. Which Storage Gateway option should they choose?
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Correct answer: Amazon S3 File Gateway.
Why this is the answer
Amazon S3 File Gateway is the correct choice because it provides a file interface to Amazon S3, allowing you to store and retrieve objects in S3 using file protocols like NFS and SMB. This preserves file-level access semantics for your on-premises NFS workload while leveraging S3's scalability and durability. Tape Gateway is incorrect as it archives data to virtual tapes in Amazon S3 Glacier or S3 Glacier Deep Archive, not for active file workloads. Volume Gateway provides block storage to applications using iSCSI, not file-level access. Amazon FSx File Gateway is not a standard Storage Gateway option; FSx for Lustre, NetApp ONTAP, OpenZFS, or Windows File Server are fully managed file systems, not gateways to S3.
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