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CLF-C02 Practice Question 107: Hybrid File Storage

AWS Certified Cloud Practitioner (CLF-C02) · Test 11 · question 7 of 10

Cloud Technology & Servicesmedium

Applications in a company's data center read and write files on a local file share using NFS and SMB, and the company is running out of on-premises storage. It wants the files to be stored as objects in Amazon S3, while the on-premises applications keep using a standard file share and get low-latency access to recently used data. Which service should the company use?

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Answer:

C. AWS Storage Gateway with an Amazon S3 File Gateway

AWS Storage Gateway connects on-premises environments to AWS storage. An Amazon S3 File Gateway is deployed on premises, usually as a virtual machine, and lets applications store and retrieve objects in Amazon S3 using NFS and SMB file protocols. The applications keep using a file share while the data lands in S3, and the gateway gives low-latency access through transparent local caching. It is a cost-effective alternative to adding more on-premises storage.

Option A, Amazon EFS, is a managed NFS file system in AWS. It doesn't store files as S3 objects or provide an on-premises SMB share with a local cache. Option B, AWS Direct Connect, is a dedicated network link. It could carry the traffic, but it isn't a storage service and doesn't present a file share. Option D, FSx for Windows File Server, is a managed SMB file server in AWS. It stores data in its own file system rather than as objects in S3, and it has no local cache in the company's data center.

References: What is Amazon S3 File Gateway; AWS Storage Gateway

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