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Answer: Amazon EFS Standard with lifecycle policy for EFS Standard-IA.
The most suitable and cost-effective solution is to use Amazon Elastic File System (EFS) Standard storage class with a lifecycle management policy to move infrequently accessed data to EFS Standard-Infrequent Access (EFS Standard-IA). EFS is highly available, POSIX-compliant, and shareable across multiple EC2 instances, which makes it ideal for this scenario. Additionally, the lifecycle management policy helps in cost optimization by moving less frequently accessed data to a less expensive storage class (EFS Standard-IA) after the initial 30-day period of frequent access. This approach provides both the required capabilities and cost-effectiveness.
Author: LeetQuiz Editorial Team
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An application on EC2 Linux instances needs a highly available, POSIX-compliant, and durable storage solution that's shareable across instances, with frequent access for the first 30 days and infrequent access thereafter. Identify the MOST cost-effective storage solution.
A
Amazon S3 with Lifecycle policy for S3 Glacier.
B
Amazon S3 with Lifecycle policy for S3 Standard-IA.
C
Amazon EFS Standard with lifecycle policy for EFS Standard-IA.
D
Amazon EFS One Zone with lifecycle policy for EFS One Zone-IA.
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