Which AWS service provides scalable cloud storage?

Amazon S3, or Simple Storage Service, is a service designed for scalable cloud storage. Its primary purpose is to offer a highly durable, available, and secure storage solution for data of any type. One of the key features of Amazon S3 is its ability to automatically scale as data requirements grow, allowing users to store and retrieve any amount of data without worrying about the underlying infrastructure.

S3's architecture supports a virtually unlimited number of objects, making it suitable for a wide range of use cases, from static website hosting to backup and archiving solutions. Users benefit from features like lifecycle policies for data management, versioning for recovery purposes, and flexible data access permissions, all of which enhance the usability of the service for scalable storage needs.

In contrast, other options like AWS Lambda, Amazon RDS, and Amazon EC2 serve different primary functions. AWS Lambda is a serverless computing service focused on running code in response to events. Amazon RDS is a managed relational database service intended for structured data storage and management. Amazon EC2 provides virtual server instances for compute capacity, not specifically tailored for storage scalability.