Handling Large Blobs hard
Use Cross-Region Replication (CRR) on S3 buckets primarily for:
- A Backups.
- B Debugging.
- C Saving money.
- D Disaster Recovery (Region failure) and Data Locality (Compliance laws requiring data in EU, or latency reduction for global users).
Answer: D. Disaster Recovery (Region failure) and Data Locality (Compliance laws requiring data in EU, or latency reduction for global users).
Async replication ensures business continuity even if 'us-east-1' disappears.
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