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Why might a company choose not to use Reserved Capacity for DynamoDB despite potential cost savings?

hard🧠 Conceptual Q10 of 15
DynamoDB - Cost Optimization and Monitoring
Why might a company choose not to use Reserved Capacity for DynamoDB despite potential cost savings?
ABecause their workload is highly variable and unpredictable
BBecause Reserved Capacity increases storage costs
CBecause Reserved Capacity disables auto-scaling
DBecause Reserved Capacity requires manual backup management
Step-by-Step Solution
Solution:
  1. Step 1: Understand Reserved Capacity suitability

    Reserved Capacity is best for steady, predictable workloads.
  2. Step 2: Identify why it may not fit variable workloads

    Highly variable workloads may lead to paying for unused capacity or throttling.
  3. Final Answer:

    Because their workload is highly variable and unpredictable -> Option A
  4. Quick Check:

    Variable workloads may avoid Reserved Capacity = A [OK]
Quick Trick: Avoid Reserved Capacity if workload is unpredictable [OK]
Common Mistakes:
MISTAKES
  • Thinking Reserved Capacity affects storage costs
  • Believing it disables auto-scaling
  • Assuming it changes backup management

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