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Domain 5Objective 2

Using Models to Detect Defects CTAL-TA Practice Questions (Page 3)

Part of the Software Defect Prevention domain, which makes up ~29% of our current practice bank. ISTQB does not publish an official question count, but from its 120-minute exam (~50–80 total, ~15–23 in this domain), expect 3–5 from this objective — we provide 26 practice questions to prepare you well beyond it. (estimate)

26questions here
6free pages
6concepts

Questions 11–15

  1. 11application · medium

    A team is adopting model-based testing for a legacy system. They have created a detailed model of the system's behavior. However, they are concerned that the model may not accurately reflect the actual system due to undocumented changes over the years. What is the most significant risk of this situation?

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  2. 12foundation · easy

    What is a common challenge when using models for defect detection?

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  3. 13foundation · easy

    Which type of model is best suited for detecting defects related to data integrity and relationships?

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  4. 14foundation · easy

    Which type of model is most appropriate for detecting defects related to the order of operations in a system?

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  5. 15expert · hard

    A team is testing a system that processes loan applications. The system has a complex workflow with multiple approval stages and conditions. The team wants to use a model to detect defects in the workflow logic, such as missing approval steps or incorrect routing. Which type of model is most suitable?

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