AWS Certified Solutions Architect - Associate
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A company has an aging network-attached storage (NAS) array in its data center. The NAS array presents SMB shares and NFS shares to client workstations. The company does not want to purchase a new NAS array. The company also does not want to incur the cost of renewing the NAS array's support contract. Some of the data is accessed frequently, but much of the data is inactive.
A solutions architect needs to implement a solution that migrates the data to Amazon S3, uses S3 Lifecycle policies, and maintains the same look and feel for the client workstations. The solutions architect has identified AWS Storage Gateway as part of the solution.
Which type of storage gateway should the solutions architect provision to meet these requirements?
Other
Community
UAnonymous
A
Volume Gateway
B
Tape Gateway
C
Amazon FSx File Gateway
D
Amazon S3 File Gateway
Explanation:
Explanation
Correct Answer: D. Amazon S3 File Gateway
Why this is the correct choice:
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File-based access requirements: The NAS array presents SMB and NFS shares to client workstations, which are file-based protocols. Amazon S3 File Gateway provides a file interface (SMB or NFS) to Amazon S3, maintaining the same look and feel for client workstations.
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Migration to Amazon S3: The requirement is to migrate data to Amazon S3, and Amazon S3 File Gateway stores files as objects in Amazon S3 buckets.
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S3 Lifecycle policies: Since data is stored directly in Amazon S3, you can use S3 Lifecycle policies to manage data lifecycle (move infrequently accessed data to S3 Standard-IA, S3 Glacier, etc.), which matches the requirement that "much of the data is inactive."
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Cost optimization: By moving to Amazon S3, the company avoids purchasing new hardware and renewing support contracts, while leveraging S3's pay-as-you-go pricing.
Why other options are incorrect:
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A. Volume Gateway: Provides block storage (iSCSI) volumes, not file shares (SMB/NFS). This is suitable for applications that need block storage, not file shares.
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B. Tape Gateway: Provides a virtual tape library (VTL) interface for backup applications, not file shares for client workstations.
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C. Amazon FSx File Gateway: This is a specific type of File Gateway that provides access to Amazon FSx for Windows File Server, not direct access to Amazon S3 with S3 Lifecycle policies.
Key AWS Services Involved:
- AWS Storage Gateway: Hybrid cloud storage service
- Amazon S3 File Gateway: File interface to Amazon S3
- Amazon S3 Lifecycle policies: Automate moving objects between storage classes
Architecture Benefits:
- Maintains existing file share access for users
- Leverages Amazon S3's durability and scalability
- Enables cost optimization through S3 storage classes
- Eliminates hardware maintenance and support costs
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