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A research team is considering using EC2 instances to run a scientific computation application that requires fault-tolerant architecture. The application demands high-performance hardware disks for fast I/O performance. As a Cloud Practitioner, which of the following storage options would you recommend as the MOST cost-effective solution?Amazon Elastic Block Store (EBS)Amazon Elastic File System (Amazon EFS)Amazon Simple Storage Service (Amazon S3)Instance Store

Question

A research team is considering using EC2 instances to run a scientific computation application that requires fault-tolerant architecture. The application demands high-performance hardware disks for fast I/O performance. As a Cloud Practitioner, which of the following storage options would you recommend as the MOST cost-effective solution?Amazon Elastic Block Store (EBS)Amazon Elastic File System (Amazon EFS)Amazon Simple Storage Service (Amazon S3)Instance Store

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Solution

Based on the requirements mentioned, the most cost-effective solution would be Amazon Elastic Block Store (EBS).

Here's why:

  1. EC2 instances: The application is going to run on EC2 instances. EBS is designed to be used with EC2 instances, providing block-level storage volumes.

  2. Fault-tolerant architecture: EBS volumes are automatically replicated within its Availability Zone to prevent component failure, offering high availability and durability.

  3. High-performance hardware disks for fast I/O performance: EBS provides the ability to optimize for different performance needs (IOPS, throughput), and offers SSD-backed volume types for high-speed I/O.

  4. Cost-effective: While Instance Store can provide high I/O performance, data is not persistent, meaning if the instance fails, data could be lost. EFS and S3 might not provide the I/O performance required by the application. Therefore, EBS is the most cost-effective solution that meets all the requirements.

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