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You notice your AWS bill is unexpectedly high. Which step should you take first to identify cost drivers?

medium📝 Debug Q6 of 15
AWS - Architecture Best Practices
You notice your AWS bill is unexpectedly high. Which step should you take first to identify cost drivers?
ADelete all unused resources immediately
BPurchase more Reserved Instances
CDisable CloudWatch monitoring
DReview detailed billing reports in AWS Cost Explorer
Step-by-Step Solution
Solution:
  1. Step 1: Analyze billing data

    Use AWS Cost Explorer to review detailed cost reports and identify which services cause high charges.
  2. Step 2: Avoid rash actions

    Deleting resources without analysis can cause outages; purchasing Reserved Instances blindly wastes money.
  3. Final Answer:

    Review detailed billing reports in AWS Cost Explorer -> Option D
  4. Quick Check:

    Analyze costs first with Cost Explorer [OK]
Quick Trick: Check Cost Explorer reports before changing resources [OK]
Common Mistakes:
  • Deleting resources without analysis
  • Buying Reserved Instances without cost data
  • Disabling monitoring reduces visibility

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