AWS Certified Solutions Architect Associate SAA-C03 Practice Question
A company needs to store data for a high-performance database application running in Amazon EC2 instances fleet. The storage must provide consistent low-latency access, must persist independently of the instances, and it must support point-in-time snapshots for backups. Which AWS storage solution should the company choose?
Amazon Elastic Block Store (EBS) provides block-level storage volumes that are ideal for use with EC2 instances. EBS volumes offer consistent low-latency performance required for high-performance database applications and persist independently from the lifecycle of the instances. They support point-in-time snapshots, which are essential for backups and disaster recovery.
Amazon Elastic File System (EFS) offers file-level storage accessed over a network file system, which may introduce higher latency compared to directly attached block storage, making it less suitable for high-performance databases.
Amazon Simple Storage Service (S3) is an object storage service designed for scalability and data durability but does not support block-level access or the required low-latency performance for database storage.
Amazon DynamoDB is a fully managed NoSQL database service and not a storage solution that can be attached to EC2 instances for running a database application.
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