Question
What are the S3 storage classes from most to least expensive?
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Answer
Standard > Intelligent-Tiering > Standard-IA > One Zone-IA > Glacier Instant Retrieval > Glacier Flexible Retrieval > Glacier Deep Archive.
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All S3 Flashcards
Q: What are the S3 storage classes from most to least expensive?
A: Standard > Intelligent-Tiering > Standard-IA > One Zone-IA > Glacier Instant Retrieval > Glacier Flexible Retrieval > Glacier Deep Archive.
Q: What is S3 versioning?
A: Keeps multiple variants of an object. Protects against accidental deletion (adds a delete marker instead of removing). Must be enabled at bucket level.
Q: What is S3 Cross-Region Replication (CRR)?
A: Asynchronous replication of objects to a bucket in a different region. Requires versioning enabled on source and destination.
Q: What is the maximum object size in S3?
A: 5 TB. For uploads larger than 5 GB, multipart upload is required.
Q: What is S3 Transfer Acceleration?
A: Uses CloudFront edge locations to accelerate uploads to S3 over long distances.
Q: What encryption options does S3 support?
A: SSE-S3 (AES-256, default), SSE-KMS (KMS-managed keys), SSE-C (customer-provided keys), and client-side encryption.
Q: What is S3 Lifecycle policy?
A: Automates transitioning objects between storage classes or expiring objects after a defined period.
Q: What is the S3 request rate limit?
A: 3,500 PUT/COPY/POST/DELETE and 5,500 GET/HEAD requests per second per prefix.
Q: What is S3 Event Notification?
A: Triggers actions (Lambda, SQS, SNS, EventBridge) when specific events occur in a bucket (e.g., object created, deleted).
Q: What is S3 Object Lock?
A: Prevents objects from being deleted or overwritten for a fixed period (WORM model). Governance mode and Compliance mode.