
Certified Tester Performance Testing
Domain 2Objective 4
Aggregating Results from Performance Testing CT-PT Practice Questions (Page 1)
Part of the Performance Measurement Fundamentals domain, which makes up ~28% of our current practice bank. ISTQB does not publish an official question count, but from its 90-minute exam (~35–60 total, ~10–17 in this domain), expect 2–3 from this objective — we provide 30 practice questions to prepare you well beyond it. (estimate)
30questions here
6free pages
7concepts
Questions 1–5
- 1
A team is aggregating response-time data and finds that 2% of samples are above 10 seconds, while the rest are below 2 seconds. They suspect these are outliers, but they are not sure of the cause. What is the most appropriate way to handle them?
Select an answer first - 2
A team collected response times for a transaction. The values are: 1.0, 1.1, 1.2, 1.3, 1.4, 1.5, 1.6, 1.7, 1.8, 9.0 seconds. The 9.0-second value was traced to a server restart that occurred mid-test. The team wants to report the average response time for the transaction. What should they do first?
Select an answer first - 3
A team ran a load test with three user groups: 'guest', 'member', and 'admin'. They want to identify which user group experiences the worst performance. At which aggregation level should they look?
Select an answer first - 4
Which tool is commonly used to aggregate performance test results after exporting raw data from a load testing tool?
Select an answer first - 5
Which aggregation method is most appropriate for reporting the response time that 95% of transactions fall below?
Select an answer first
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