Fundamentals · Easy · Free
What is object storage (S3)? Buckets, keys, durability.
FresherFundamentalsCloud Basics
Object storage (S3)
Buckets hold objects keyed by string path. Durability via replication across AZs; versioning and lifecycle policies for cost.
- Static website hosting
- Backups, logs, ML datasets
- Not POSIX filesystem—use EFS for that
Public bucket misconfig = data breach headline—block public access by default.