# Notes: AWS Solution Architect (Associate)

## S3 (Simple Storage Service)
* S3 is an object-based storage, allows file upload
* objects/files are stored in buckets/folder
* bucket names must be unique globally
* upload successful will receive a HTTP 200

### Data Consistency Model in S3
* strong read-after-write for PUTS and DELETES
* provide high durability and availability

### S3 Storage Classes Chart