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A company seeks to back up its on-premises file storage solution, which supports NFS, using Amazon S3. They require the new solution to also support NFS and plan to archive the backup files after 5 days. For disaster recovery purposes, they are willing to wait a few days for the retrieval of archived files. What is the most cost-effective solution to meet these requirements?
Explanation:
The correct answer is D. The requirement is to support NFS, which means we need to use a file gateway, eliminating options B (volume gateway) and C (tape gateway). Among the file gateway options, Glacier Deep Archive is more cost-effective for long-term storage compared to Standard-Infrequent Access, making option D the most suitable and cost-effective solution.