AWS Certified Solutions Architect Associate SAA-C03 Practice Question
An application running in Amazon EC2 instances requires low-latency access to storage for high-performance transactional workloads. Which AWS storage service and configuration should you use to meet these requirements?
Use Amazon EBS Provisioned IOPS SSD (io1 or io2) volumes.
Use Amazon S3 Standard storage.
Use Amazon EFS with General Purpose performance mode.
Use Amazon EBS Throughput Optimized HDD (st1) volumes.
Amazon Elastic Block Store (Amazon EBS) Provisioned IOPS SSD volumes (io1 or io2) provide consistent low-latency performance and high input/output operations per second (IOPS), making them ideal for high-performance transactional workloads that require rapid access to data. They are designed to handle intensive workloads that demand the highest performance. Amazon S3 is an object storage service with higher latency, unsuitable for transactional workloads requiring block storage. Amazon EFS offers shared file storage but may not provide the necessary low-latency performance for high IOPS workloads. Amazon EBS Throughput Optimized HDD (st1) volumes are designed for throughput-intensive workloads with large, sequential I/O rather than low-latency transactional workloads.
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