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What is a key benefit of using DynamoDB Global Tables for cross-region replication?

easy🧠 Conceptual Q1 of 15
DynamoDB - Backup and Recovery
What is a key benefit of using DynamoDB Global Tables for cross-region replication?
AAutomatic data synchronization across multiple AWS regions
BManual data backup between regions
CSingle-region data storage with no replication
DRequires manual conflict resolution for all writes
Step-by-Step Solution
Solution:

  1. Step 1: Understand Global Tables purpose

    DynamoDB Global Tables automatically replicate data across regions to improve availability and latency.

  2. Step 2: Compare options

    Only automatic synchronization fits the Global Tables feature; manual backup or single-region storage do not.

  3. Final Answer:

    Automatic data synchronization across multiple AWS regions -> Option A

  4. Quick Check:

    Global Tables benefit = Automatic sync [OK]
Quick Trick: Global Tables sync data automatically across regions [OK]
Common Mistakes:
MISTAKES
  • Thinking replication is manual
  • Confusing Global Tables with backups
  • Assuming single-region storage

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