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Question 690 - SAA-C03 discussion

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Asocial media company has workloads that collect and process data The workloads store the data in on-premises NFS storage The data store cannot scale fast enough to meet the company's expanding business needs The company wants to migrate the current data store to AWS

Which solution will meet these requirements MOST cost-effectively?

A.
Set up an AWS Storage Gateway Volume Gateway Use an Amazon S3 Lifecycle policy to transition the data to the appropnate storage class
Answers
A.
Set up an AWS Storage Gateway Volume Gateway Use an Amazon S3 Lifecycle policy to transition the data to the appropnate storage class
B.
Set up an AWS Storage Gateway Amazon S3 File Gateway Use an Amazon S3 Lifecycle policy to transition the data to the appropriate storage class
Answers
B.
Set up an AWS Storage Gateway Amazon S3 File Gateway Use an Amazon S3 Lifecycle policy to transition the data to the appropriate storage class
C.
Use the Amazon Elastic File System (Amazon EFS) Standard-Infrequent Access (Standard-IA) storage class Activate the infrequent access lifecycle policy
Answers
C.
Use the Amazon Elastic File System (Amazon EFS) Standard-Infrequent Access (Standard-IA) storage class Activate the infrequent access lifecycle policy
D.
Use the Amazon Elastic File System (Amazon EFS) One Zone-Infrequent Access (One Zone-IA) storage class Activate the infrequent access lifecycle policy
Answers
D.
Use the Amazon Elastic File System (Amazon EFS) One Zone-Infrequent Access (One Zone-IA) storage class Activate the infrequent access lifecycle policy
Suggested answer: B

Explanation:

This solution meets the requirements most cost-effectively because it enables the company to migrate its on-premises NFS data store to AWS without changing the existing applications or workflows. AWS Storage Gateway is a hybrid cloud storage service that provides seamless and secure integration between on-premises and AWS storage. Amazon S3 File Gateway is a type of AWS Storage Gateway that provides a file interface to Amazon S3, with local caching for low-latency access. By setting up an Amazon S3 File Gateway, the company can store and retrieve files as objects in Amazon S3 using standard file protocols such as NFS. The company can also use an Amazon S3 Lifecycle policy to automatically transition the data to the appropriate storage class based on the frequency of access and the cost of storage. For example, the company can use S3 Standard for frequently accessed data, S3 Standard-Infrequent Access (S3 Standard-IA) or S3 One Zone-Infrequent Access (S3 One Zone-IA) for less frequently accessed data, and S3 Glacier or S3 Glacier Deep Archive for long-term archival data.

Option A is not a valid solution because AWS Storage Gateway Volume Gateway is a type of AWS Storage Gateway that provides a block interface to Amazon S3, with local caching for low-latency access. Volume Gateway is not suitable for migrating an NFS data store, as it requires attaching the volumes to EC2 instances or on-premises servers using the iSCSI protocol. Option C is not a valid solution because Amazon Elastic File System (Amazon EFS) is a fully managed elastic NFS file system that is designed for workloads that require high availability, scalability, and performance. Amazon EFS Standard-Infrequent Access (Standard-IA) is a storage class within Amazon EFS that is optimized for infrequently accessed files, with a lower price per GB and a higher price per access. Using Amazon EFS Standard-IA for migrating an NFS data store would not be cost-effective, as it would incur higher access charges and require additional configuration to enable lifecycle management. Option D is not a valid solution because Amazon EFS One Zone-Infrequent Access (One Zone-IA) is a storage class within Amazon EFS that is optimized for infrequently accessed files that do not require the availability and durability of Amazon EFS Standard or Standard-IA. Amazon EFS One Zone-IA stores data in a single Availability Zone, which reduces the cost by 47% compared to Amazon EFS Standard-IA, but also increases the risk of data loss in the event of an Availability Zone failure. Using Amazon EFS One Zone-IA for migrating an NFS data store would not be cost-effective, as it would incur higher access charges and require additional configuration to enable lifecycle management. It would also compromise the availability and durability of the data.

AWS Storage Gateway - Amazon Web Services

Amazon S3 File Gateway - AWS Storage Gateway

Object Lifecycle Management - Amazon Simple Storage Service

[AWS Storage Gateway Volume Gateway - AWS Storage Gateway]

[Amazon Elastic File System - Amazon Web Services]

[Using EFS storage classes - Amazon Elastic File System]

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asked 16/09/2024
Herr Eylem Bulut
46 questions
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