4.1
S3
Object storage for images, backups, logs, and data lakes — not block storage.
Key points
- Buckets, objects, storage classes, lifecycle, versioning, encryption.
Amazon S3
S3 stands for Simple Storage Service. S3 is an object storage service.
Use cases
- Images
- Videos
- Documents
- Backups
- Logs
- Data lakes
Important concepts
- Buckets
- Objects
- Storage classes
- Lifecycle policies
- Versioning
- Encryption
Exam trap
S3 is not block storage.
Exam focus
Object storage / static files / data lake → S3.