A test manager wants to compare the defect detection effectiveness of two test phases: system testing and user acceptance testing (UAT). The system test phase found 120 defects, and UAT found 30 defects, of which 10 were also found in system testing. What is the defect removal efficiency (DRE) for the combined testing effort?

(120 + 30 - 10) / (120 + 30 - 10 + defects found after release)

What is the main purpose of a cross-functional defect triage meeting?

To prioritize defects by considering severity, impact, and available resources from different perspectives

To assign all defects to the most experienced developer

To close all defects that are not reproducible

To document the steps to reproduce each defect

A company uses a hybrid development model: a traditional waterfall phase for requirements and design, followed by Agile sprints for development and testing. A defect is found during the Agile sprint that traces back to a requirements error from the waterfall phase. The requirements document is considered 'frozen' and changing it requires a formal change request. What is the most effective approach to handle this defect?

Fix the defect in the current sprint and update the requirements document retroactively through the formal change process.

Stop the sprint and initiate a formal change request to update the requirements before any code is written.

Log the defect, fix it in the current sprint, and flag the requirements issue for the formal change process in parallel.

Ignore the requirements document and treat the defect as a normal Agile backlog item.

What is the main rationale for having a 'verified' state in the defect lifecycle?

To ensure the fix actually resolves the defect and does not introduce new issues

To document the defect for future reference before closing it

To allow the project manager to approve the fix before it is tested

To assign the defect to a developer for the first time

Why might an organization customize its defect lifecycle to include an 'approval gate' between 'new' and 'assigned'?

To ensure that only valid defects are assigned to developers, saving their time

To allow testers to fix defects directly without developer involvement

To automatically close all defects that are not approved within a set time

To track the time spent on each defect for billing purposes

Certified Tester Advanced Level Test Management

Domain 2Objective 3

Defect Management CTAL-TM Practice Questions (Page 1)

Part of the Managing the Product domain, which makes up ~21% of our current practice bank. ISTQB does not publish an official question count, but from its 120-minute exam (~50–80 total, ~11–17 in this domain), expect 4–6 from this objective — we provide 41 practice questions to prepare you well beyond it. (estimate)

41questions here

9free pages

14concepts

Questions 1–5

1expert · hard
A test manager wants to compare the defect detection effectiveness of two test phases: system testing and user acceptance testing (UAT). The system test phase found 120 defects, and UAT found 30 defects, of which 10 were also found in system testing. What is the defect removal efficiency (DRE) for the combined testing effort?
Select an answer first
2foundation · easy
What is the main purpose of a cross-functional defect triage meeting?
Select an answer first
3expert · hard
A company uses a hybrid development model: a traditional waterfall phase for requirements and design, followed by Agile sprints for development and testing. A defect is found during the Agile sprint that traces back to a requirements error from the waterfall phase. The requirements document is considered 'frozen' and changing it requires a formal change request. What is the most effective approach to handle this defect?
Select an answer first
4foundation · easy
What is the main rationale for having a 'verified' state in the defect lifecycle?
Select an answer first
5foundation · easy
Why might an organization customize its defect lifecycle to include an 'approval gate' between 'new' and 'assigned'?
Select an answer first

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Defect Management CTAL-TM Practice Questions (Page 1)

Questions 1–5

What is the main purpose of a cross-functional defect triage meeting?

What is the main rationale for having a 'verified' state in the defect lifecycle?

Why might an organization customize its defect lifecycle to include an 'approval gate' between 'new' and 'assigned'?

Keep studying — Managing the Product