Why This Cheat Sheet Matters for CLF-C02
This cheat sheet covers the most important Amazon S3 concepts tested on the CLF-C02 (AWS Cloud Practitioner) certification exam. It contains 3 sections with 14 key points that you should memorize before exam day. Know S3 as durable object storage, including buckets, objects, storage classes, lifecycle policies, static website hosting, and basic access controls. Use this as a quick-reference guide during your final review sessions.
3Sections
14Key Points
Core Concepts
- S3 stores objects in buckets.
- S3 is designed for 99.999999999% durability.
- Objects can be versioned to protect against accidental overwrite or deletion.
- Lifecycle rules can transition or expire objects automatically.
- S3 can host static websites.
Storage Classes
- S3 Standard: frequently accessed data.
- S3 Intelligent-Tiering: unknown or changing access patterns.
- S3 Standard-IA: infrequently accessed data that needs rapid retrieval.
- S3 One Zone-IA: infrequently accessed data stored in one Availability Zone.
- S3 Glacier classes: archival storage with different retrieval times and costs.
Security
- S3 Block Public Access helps prevent accidental public exposure.
- Bucket policies are resource-based policies.
- Encryption can be managed by S3 or KMS.
- Presigned URLs provide temporary access to private objects.
Practice S3 Questions
Put your knowledge to the test with practice questions.