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ISTQB CTAL-TM Exam - Topic 2 Question 25 Discussion

Actual exam question for ISTQB's CTAL-TM exam

Question #: 25
Topic #: 2

[All CTAL-TM Questions]

Which statement about defining process improvement actions using defect report information is TRUE?

AInformation about defect location can be used to assess the effectiveness of test processes at finding defects

BInformation about the phase of introduction of defects can identify the lifecycle stages in which most defects are created

CInformation about defect root causes can be used to enable refactoring of troublesome components

DInformation about duplicate and rejected defect reports can be used to assess the quality of debugging and fixing the defects

Show Suggested Answer

Suggested Answer: B

Understanding when defects are introduced supports process improvement at the correct lifecycle stage, such as improving requirements reviews or design practices.

''The analysis of when defects were introduced in the development lifecycle helps to identify weak points and improve development or test processes.''

--- ISTQB CTFL Syllabus 2018, Section 5.6

Thus, Option B is the best answer for guiding improvement.

by Catarina at Jun 19, 2026, 05:37 AM

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Ilene

5 hours ago

Option D seems relevant too, especially since we talked about how duplicate reports can indicate issues in the debugging process.

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Sherly

5 days ago

I feel like option C makes sense since understanding root causes can help improve components, but I can't recall if we covered that in detail.

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Candida

11 days ago

I'm not entirely sure, but I remember something about using defect location to evaluate testing effectiveness. Maybe that's option A?

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Hermila

16 days ago

I think option B sounds familiar because we discussed how defects can be traced back to specific phases in the development lifecycle.

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