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What is the main benefit of using DAX with DynamoDB?

easy🧠 Conceptual Q11 of 15
DynamoDB - Cost Optimization and Monitoring
What is the main benefit of using DAX with DynamoDB?
AIt speeds up read operations by caching data in memory.
BIt automatically backs up your DynamoDB tables.
CIt encrypts data stored in DynamoDB.
DIt increases write throughput for DynamoDB.
Step-by-Step Solution
Solution:

  1. Step 1: Understand DAX purpose

    DAX is designed to cache data in memory to speed up reads.

  2. Step 2: Compare options

    Only It speeds up read operations by caching data in memory. mentions caching and speeding up reads, which is DAX's main benefit.

  3. Final Answer:

    It speeds up read operations by caching data in memory. -> Option A

  4. Quick Check:

    DAX speeds up reads = B [OK]
Quick Trick: Remember: DAX caches reads to make them faster [OK]
Common Mistakes:
MISTAKES
  • Confusing DAX with backup or encryption services
  • Thinking DAX improves write speed
  • Assuming DAX stores data permanently

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