Typical Results of a Performance Test CT-PT Practice Questions (Page 2)

Questions 6–10

1. 6expert · hard

   A test team is preparing a final report. The test showed that the system met its response time objectives but only when the test data was small. When the test data was scaled to production size, response times degraded significantly. The team is unsure if this is a test data issue or a real application issue. What is the best recommendation for the report?

   • ARecommend that the production data be reduced to match the test data.
   • BReport the results as inconclusive and recommend a follow-up test with production-sized data to determine the root cause.
   • CConclude that the system passes because it meets objectives with the standard test data.
   • DConclude that the system fails because it cannot handle production-sized data.
   Reveal Solution Discussion Select an answer first
2. 7foundation · easy

   During a load test, the average response time remains stable until the concurrency reaches 500 users, after which it increases linearly. What does this pattern indicate?

   • AThe test is invalid due to unrealistic load.
   • BThe network is the bottleneck.
   • CThe system has reached its saturation point.
   • DThe system is still underutilized.
   Reveal Solution Discussion Select an answer first
4. 8application · medium

   A load test of a file-sharing service shows that throughput plateaus at 500 requests per second, even as the number of virtual users increases from 1000 to 2000. The response time also increases. Which of the following is the most likely bottleneck?

   • AA bottleneck in the application code that limits concurrency.
   • BThe test is invalid because throughput should always increase with load.
   • CThe network is not a bottleneck because throughput is stable.
   • DThe load generator has reached its maximum capacity.
   Reveal Solution Discussion Select an answer first
5. 9application · medium

   A team is comparing the results of a new test to a baseline. The baseline was captured on a system with 4 CPU cores and 8 GB of RAM. The new test is run on a system with 8 CPU cores and 16 GB of RAM. The new test shows a 20% improvement in throughput. What is the most important consideration before concluding the application was optimized?

   • AThe improvement is valid because the test script was the same.
   • BThe new test should be re-run on the old hardware to confirm the improvement.
   • CThe improvement is likely due to the increased hardware resources, not the application changes.
   • DThe baseline is no longer useful and should be discarded.
   Reveal Solution Discussion Select an answer first
6. 10expert · hard

   A test team is preparing a report for a mixed audience of developers and business stakeholders. The test revealed that the system meets its average response time objective but has a significant bottleneck in a specific microservice that only affects a small percentage of requests. What is the best reporting strategy?

   • AFocus the report on the bottleneck and de-emphasize the overall pass result.
   • BPresent all raw data in a single table for complete transparency.
   • CReport only the overall pass/fail status against the objective to avoid confusion.
   • DProvide a high-level summary for business stakeholders and a detailed technical appendix for developers.
   Reveal Solution Discussion Select an answer first