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Which metric is most important when measuring response time in performance testing?

easy📝 Conceptual Q2 of 15
Testing Fundamentals - Non-Functional Testing
Which metric is most important when measuring response time in performance testing?
ATime taken to complete a user request
BNumber of test cases executed
CAmount of memory used by the system
DNumber of developers on the project
Step-by-Step Solution
Solution:
  1. Step 1: Define response time metric

    Response time measures how long it takes for the system to respond to a user action or request.
  2. Step 2: Eliminate unrelated metrics

    Number of test cases, memory usage, and team size do not directly measure response time.
  3. Final Answer:

    Time taken to complete a user request -> Option A
  4. Quick Check:

    Response time = Time to complete request [OK]
Quick Trick: Response time = how fast system answers user [OK]
Common Mistakes:
  • Mixing response time with memory usage
  • Confusing response time with test coverage
  • Thinking team size affects response time

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