Supporting Root Cause Analysis with Defect Classification CTAL-TA Practice Questions (Page 5)

Questions 21–25

1. 21expert · hard

   A test analyst is facilitating a root cause analysis session for a series of defects where users receive duplicate confirmation emails. The team has identified that the email service is invoked from two different microservices. The developer responsible for one service says the duplicate call is 'not my bug' because the other service also sends emails. The test manager wants a structured approach to reach an agreed root cause. Which action should the test analyst take first?

   • AClose the defect as 'not reproducible' because the team cannot agree on ownership.
   • BAsk the test team to write more test cases to cover the duplicate email scenario in the next release.
   • CAssign the defect to the developer of the service that was modified most recently.
   • DFacilitate a 5 Whys session focused on why both services send the email, keeping the discussion on facts rather than blame.
   Reveal Solution Discussion Select an answer first
2. 22application · medium

   A tester is classifying a defect where the application crashes when a user enters a very long string in a search field. The developer finds that the input is not validated for length before being passed to the database query. Which defect type best describes this issue?

   • APerformance defect
   • BInput validation defect
   • CDocumentation defect
   • DUser interface defect
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4. 23expert · hard

   A test team has completed a root cause analysis and found that 50% of defects are due to 'miscommunication between business analysts and developers'. The team is considering two improvements: (1) introducing a formal requirements review meeting, and (2) adopting a new test automation tool. The test manager wants to choose the improvement with the highest impact on preventing defects. Which consideration is most important in this decision?

   • AThe improvement should address the identified root cause of miscommunication, not just increase testing efficiency.
   • BThe improvement should reduce the cost of testing, regardless of the root cause.
   • CThe improvement should be chosen by the developers, not the test team.
   • DThe improvement should be easy to implement, even if it does not address the root cause.
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5. 24foundation · easy

   A defect is found where the software incorrectly calculates the total price because the code uses integer division instead of floating-point division. Which defect category best describes this defect?

   • AInterface error
   • BLogic error
   • CRequirement error
   • DData error
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6. 25application · medium

   A test team is implementing a defect classification scheme and wants to ensure the data is reliable for root cause analysis. The test manager is concerned about consistency among testers. Which practice is most effective for improving classification consistency?

   • AProvide training and a reference guide with examples for each defect category.
   • BAssign classification to a single developer who is familiar with the code.
   • CAllow each tester to interpret the categories based on their experience.
   • DUse a scheme with only two categories to minimize classification decisions.
   Reveal Solution Discussion Select an answer first