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Why is it important to monitor system resources (CPU, memory) during REST API load testing?

hard📝 Conceptual Q10 of 15
Rest API - API Testing and Monitoring
Why is it important to monitor system resources (CPU, memory) during REST API load testing?
ATo check if API endpoints are correctly documented
BTo identify bottlenecks causing slow API responses under load
CTo ensure the API code style follows guidelines
DTo verify user interface responsiveness
Step-by-Step Solution
Solution:

  1. Step 1: Understand resource monitoring purpose

    CPU and memory usage reveal bottlenecks affecting API performance.

  2. Step 2: Exclude unrelated checks

    Documentation, code style, and UI responsiveness are unrelated to resource monitoring.

  3. Final Answer:

    To identify bottlenecks causing slow API responses under load -> Option B

  4. Quick Check:

    Resource monitoring finds performance bottlenecks [OK]
Quick Trick: Monitor CPU/memory to find performance bottlenecks [OK]
Common Mistakes:
MISTAKES
  • Confusing resource monitoring with documentation checks
  • Ignoring system resource impact on performance

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