Which of the following AWS services is primarily used for object storage?

Amazon S3, or Simple Storage Service, is primarily designed for object storage, which is a service that allows you to store and retrieve any amount of data from anywhere on the web. It is highly scalable, durable, and secure, making it ideal for storing unstructured data such as images, videos, documents, backups, and big data.

S3 is specifically optimized for handling large amounts of data and provides various features such as versioning, lifecycle management, and access control, which are essential for managing objects efficiently. Its ability to integrate with a variety of other AWS services and third-party applications further increases its utility for developers.

In the context of the other services mentioned, Amazon RDS (Relational Database Service) is focused on database management and is meant for structured data. Amazon EBS (Elastic Block Store) provides block storage for EC2 instances, primarily used for data that needs to be accessed quickly, while Amazon Glacier is a storage service designed for long-term archival storage at a lower cost but is primarily used alongside S3. While Glacier does provide a form of object storage, it is not primarily what it's known for; its main purpose is archiving cold data that is accessed infrequently. Thus, Amazon S3 stands out as the