
Certified Tester Foundation Level
Domain 1Objective 1
Foundations of Testing CTFL Practice Questions (Page 1)
Part of the Domain 1: Fundamentals of Testing domain, which makes up ~11% of our current practice bank. ISTQB does not publish an official question count, but from its 60-minute exam (~25–40 total, ~3–4 in this domain), expect 1–1 from this objective — we provide 26 practice questions to prepare you well beyond it. (estimate)
26questions here
6free pages
6concepts
Questions 1–5
- 1
A tester is executing a test case for a search function. The system returns incorrect results. The tester reports this as a failure. The developer investigates and finds that the SQL query in the code has a syntax error. In ISTQB terminology, what is the SQL syntax error?
Select an answer first - 2
A tester is executing a test case and observes that the system crashes. The tester logs a defect report. The developer then uses a debugger to trace the crash to a null pointer exception. The developer fixes the code and verifies the fix. Which statement correctly describes the activities performed?
Select an answer first - 3
A tester finds a failure in a payment processing module. The developer traces the failure to a defect in the code. Upon investigation, the developer discovers that the defect was caused by a misunderstanding of the requirements, which led to a coding error. The project manager wants to prevent similar issues in the future. In ISTQB terminology, what is the misunderstanding of the requirements?
Select an answer first - 4
Which of the following sequences correctly represents the causal relationship between errors, defects, and failures?
Select an answer first - 5
A project manager is considering whether to invest in additional testing for a new product. The product has a high risk of failure, and the cost of a field failure is very high. The project manager wants to understand the value of testing. Which statement best describes how testing contributes to project success in this scenario?
Select an answer first
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