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Exam Code: CTFL v4.0

Exam Name Certified Tester Foundation Level (CTFL) v4.0

Certification Provider: ISTQB

Corresponding Certification: CTFL

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ISTQB CTFL v4.0 Practice Test 79

Question 780

A test analyst investigates the following quality concern: A tester ranks cases solely by customer visibility and leaves a severe hidden data-integrity risk until the final day. Which repeatable testing practice most directly reduces recurrence of this problem?

  1. Reassess ordering using product risks and dependencies before execution.
  2. Review the test suite's execution cost, flakiness and level distribution.
  3. Use product-risk assessments to select early tests and confirm priorities with stakeholders.
  4. Define threshold-based escalation and reporting schedules with stakeholders.

Explanation

Correct Answer

C:

This safeguard specifically targets the contributing cause: Use product-risk assessments to select early tests and confirm priorities with stakeholders. It addresses the principle (Test priorities should reflect risk rather than only how obvious a feature appears.) and can be assessed by: A data-integrity test runs early despite low user-interface visibility.

Incorrect Answers

A:

This preventive step mitigates a different project risk (syllabus section 5.1): A new feature has ten low-risk cosmetic tests and three critical authorization tests, but the tester executes the cosmetic tests first because they are shorter. The targeted safeguard for the current case is: Use product-risk assessments to select early tests and confirm priorities with stakeholders.

B:

This preventive step mitigates a different project risk (syllabus section 5.1): A delivery platform puts expensive UI automation at the bottom of its testing pyramid and has almost no fast component checks. The targeted safeguard for the current case is: Use product-risk assessments to select early tests and confirm priorities with stakeholders.

D:

This preventive step mitigates a different project risk (syllabus section 5.3): A tester sends all defect details in a single long daily status email while operations needs an immediate signal when payment failures exceed an agreed threshold. The targeted safeguard for the current case is: Use product-risk assessments to select early tests and confirm priorities with stakeholders.

Question 781

In a fictional application-delivery project, the team reports: A company labels a unit test as 'business-facing critique' within its testing quadrant model even though it only checks an isolated calculation function. Which testing activity or corrective action best addresses this situation?

  1. Reserve time for test closure evidence, data cleanup and retrospective lessons in the test schedule.
  2. Classify the function check as technology-facing support while using user examples for business-facing assurance.
  3. Evaluate exit conditions including unresolved defect severity and product risk before accepting the release.
  4. Compare severity of potential effects and adjust test attention accordingly.

Explanation

Correct Answer

B:

The targeted action is: Classify the function check as technology-facing support while using user examples for business-facing assurance. It addresses the underlying software-testing principle: Quadrants describe the business or technology focus and supporting versus critiquing purposes of tests. The relevant confirming evidence is: The suite inventory distinguishes fast component checks from stakeholder acceptance examples.

Incorrect Answers

A:

This choice is a useful response to a different testing situation (section 5.1, Test Planning): A company finishes implementation early and cancels all planned test completion work, including cleanup and preservation of reusable fixtures. The present problem instead depends on: Quadrants describe the business or technology focus and supporting versus critiquing purposes of tests.

C:

This choice is a useful response to a different testing situation (section 5.1, Test Planning): A release planner assumes completion of all planned tests is sufficient for exit, even when two unresolved critical payment defects remain. The present problem instead depends on: Quadrants describe the business or technology focus and supporting versus critiquing purposes of tests.

D:

This choice is a useful response to a different testing situation (section 5.2, Risk Management): A manager insists all risks with the same likelihood score deserve identical test effort even though one affects only a minor label and the other affects patient safety. The present problem instead depends on: Quadrants describe the business or technology focus and supporting versus critiquing purposes of tests.

Question 782

In a fictional application-delivery project, the team reports: A company labels a unit test as 'business-facing critique' within its testing quadrant model even though it only checks an isolated calculation function. Which observation best verifies that the stated testing issue is addressed?

  1. A data-integrity test runs early despite low user-interface visibility.
  2. The suite inventory distinguishes fast component checks from stakeholder acceptance examples.
  3. Stakeholders can judge the test effort and release evidence against an agreed plan.
  4. A stakeholder can distinguish execution progress from pass rate and remaining untested scope.

Explanation

Correct Answer

B:

This is the expected verification outcome: The suite inventory distinguishes fast component checks from stakeholder acceptance examples. It directly checks the corrective activity (Classify the function check as technology-facing support while using user examples for business-facing assurance.) for the described testing problem.

Incorrect Answers

A:

This result may validate another testing scenario: A tester ranks cases solely by customer visibility and leaves a severe hidden data-integrity risk until the final day. It does not establish the required result for this case: The suite inventory distinguishes fast component checks from stakeholder acceptance examples.

C:

This result may validate another testing scenario: A testing lead prepares a one-page plan listing only individual test scripts, with no scope, schedule, risks, environment, or completion criteria. It does not establish the required result for this case: The suite inventory distinguishes fast component checks from stakeholder acceptance examples.

D:

This result may validate another testing scenario: A release dashboard says 95% of tests passed but excludes 40 blocked cases, leading leadership to believe almost all required behavior is validated. It does not establish the required result for this case: The suite inventory distinguishes fast component checks from stakeholder acceptance examples.

Question 783

In a fictional application-delivery project, the team reports: A company labels a unit test as 'business-facing critique' within its testing quadrant model even though it only checks an isolated calculation function. Which testing concept or underlying cause best explains the reported problem?

  1. Consensus-based estimation methods such as Planning Poker expose hidden assumptions rather than only averaging numbers.
  2. Test priorities should reflect risk rather than only how obvious a feature appears.
  3. Quadrants describe the business or technology focus and supporting versus critiquing purposes of tests.
  4. Test monitoring depends on trustworthy execution evidence, not merely a tool-generated success label.

Explanation

Correct Answer

C:

The most relevant explanation is: Quadrants describe the business or technology focus and supporting versus critiquing purposes of tests. This describes why the original situation (A company labels a unit test as 'business-facing critique' within its testing quadrant model even though it only checks an isolated calculation function.) merits the response: Classify the function check as technology-facing support while using user examples for business-facing assurance.

Incorrect Answers

A:

This principle could explain a different testing issue: Three experienced testers estimate a migration test effort as 4, 8 and 16 days, and the manager silently selects four days to satisfy a deadline. The present case is better explained by: Quadrants describe the business or technology focus and supporting versus critiquing purposes of tests.

B:

This principle could explain a different testing issue: A tester ranks cases solely by customer visibility and leaves a severe hidden data-integrity risk until the final day. The present case is better explained by: Quadrants describe the business or technology focus and supporting versus critiquing purposes of tests.

D:

This principle could explain a different testing issue: A project tracks all test cases as passed but the execution log shows several scripts silently skipped all assertions during a framework upgrade. The present case is better explained by: Quadrants describe the business or technology focus and supporting versus critiquing purposes of tests.

Question 784

In a fictional application-delivery project, the team reports: A company labels a unit test as 'business-facing critique' within its testing quadrant model even though it only checks an isolated calculation function. Which repeatable testing practice most directly reduces recurrence of this problem?

  1. Review quadrant classification when communicating coverage to product leaders.
  2. Use product-risk assessments to select early tests and confirm priorities with stakeholders.
  3. Review slow-suite bottlenecks and move suitable checks to lower levels.
  4. Include feature flags and build hashes in defect evidence.

Explanation

Correct Answer

A:

This safeguard specifically targets the contributing cause: Review quadrant classification when communicating coverage to product leaders. It addresses the principle (Quadrants describe the business or technology focus and supporting versus critiquing purposes of tests.) and can be assessed by: The suite inventory distinguishes fast component checks from stakeholder acceptance examples.

Incorrect Answers

B:

This preventive step mitigates a different project risk (syllabus section 5.1): A tester ranks cases solely by customer visibility and leaves a severe hidden data-integrity risk until the final day. The targeted safeguard for the current case is: Review quadrant classification when communicating coverage to product leaders.

C:

This preventive step mitigates a different project risk (syllabus section 5.1): A release team has 500 end-to-end browser scripts but no fast feedback for a changed calculation function, causing long fault isolation. The targeted safeguard for the current case is: Review quadrant classification when communicating coverage to product leaders.

D:

This preventive step mitigates a different project risk (syllabus section 5.4): A defect retest passes in a developer workspace but fails in QA, and the team assumes one tester must be wrong without comparing builds or feature flags. The targeted safeguard for the current case is: Review quadrant classification when communicating coverage to product leaders.

Question 785

A tester is asked to evaluate the following situation: An online retailer has only one day of test execution left but tries to run the full lower-risk suite before high-priority payment cases because the full suite is easier to schedule. Which testing activity or corrective action best addresses this situation?

  1. Use risk and time constraints to run payment-critical scenarios first and record omitted lower-value coverage.
  2. Prioritize high-impact authorization risks before low-impact cosmetic checks under limited time.
  3. Include test analysis, data setup, execution and defect correction work in iteration planning.
  4. Investigate the validity of passed results and rerun affected tests with active assertions.

Explanation

Correct Answer

A:

The targeted action is: Use risk and time constraints to run payment-critical scenarios first and record omitted lower-value coverage. It addresses the underlying software-testing principle: Risk-based test prioritization supports informed choices when not every planned case can run. The relevant confirming evidence is: The short execution window produces relevant payment evidence and transparent residual gaps.

Incorrect Answers

B:

This choice is a useful response to a different testing situation (section 5.1, Test Planning): A new feature has ten low-risk cosmetic tests and three critical authorization tests, but the tester executes the cosmetic tests first because they are shorter. The present problem instead depends on: Risk-based test prioritization supports informed choices when not every planned case can run.

C:

This choice is a useful response to a different testing situation (section 5.1, Test Planning): A scrum team schedules a sprint demo while ignoring time to prepare test data and validate the integrated user story. The present problem instead depends on: Risk-based test prioritization supports informed choices when not every planned case can run.

D:

This choice is a useful response to a different testing situation (section 5.3, Test Monitoring, Test Control and Test Completion): A project tracks all test cases as passed but the execution log shows several scripts silently skipped all assertions during a framework upgrade. The present problem instead depends on: Risk-based test prioritization supports informed choices when not every planned case can run.

Question 786

A tester is asked to evaluate the following situation: An online retailer has only one day of test execution left but tries to run the full lower-risk suite before high-priority payment cases because the full suite is easier to schedule. Which observation best verifies that the stated testing issue is addressed?

  1. The recorded estimate includes integration risks and clarifies the conditions leading to disagreement.
  2. The short execution window produces relevant payment evidence and transparent residual gaps.
  3. The integration estimate accounts for physical setup and external coordination not present in the API work.
  4. Another engineer reproduces the crash in the stated build and can investigate it.

Explanation

Correct Answer

B:

This is the expected verification outcome: The short execution window produces relevant payment evidence and transparent residual gaps. It directly checks the corrective activity (Use risk and time constraints to run payment-critical scenarios first and record omitted lower-value coverage.) for the described testing problem.

Incorrect Answers

A:

This result may validate another testing scenario: Three experienced testers estimate a migration test effort as 4, 8 and 16 days, and the manager silently selects four days to satisfy a deadline. It does not establish the required result for this case: The short execution window produces relevant payment evidence and transparent residual gaps.

C:

This result may validate another testing scenario: A quality lead assumes the same count of test cases means identical effort across a simple API and a complex hardware integration system. It does not establish the required result for this case: The short execution window produces relevant payment evidence and transparent residual gaps.

D:

This result may validate another testing scenario: A mobile app tester files a defect with title 'does not work', no expected outcome, and no steps, preventing a developer from reproducing it. It does not establish the required result for this case: The short execution window produces relevant payment evidence and transparent residual gaps.

Question 787

A tester is asked to evaluate the following situation: An online retailer has only one day of test execution left but tries to run the full lower-risk suite before high-priority payment cases because the full suite is easier to schedule. Which testing concept or underlying cause best explains the reported problem?

  1. Test priorities should reflect risk rather than only how obvious a feature appears.
  2. Counting cases alone is an unreliable predictor of testing effort across unlike environments.
  3. Risk-based test prioritization supports informed choices when not every planned case can run.
  4. Defect management benefits from controlled duplicate handling while retaining evidence of affected scenarios.

Explanation

Correct Answer

C:

The most relevant explanation is: Risk-based test prioritization supports informed choices when not every planned case can run. This describes why the original situation (An online retailer has only one day of test execution left but tries to run the full lower-risk suite before high-priority payment cases because the full suite is easier to schedule.) merits the response: Use risk and time constraints to run payment-critical scenarios first and record omitted lower-value coverage.

Incorrect Answers

A:

This principle could explain a different testing issue: A tester ranks cases solely by customer visibility and leaves a severe hidden data-integrity risk until the final day. The present case is better explained by: Risk-based test prioritization supports informed choices when not every planned case can run.

B:

This principle could explain a different testing issue: A quality lead assumes the same count of test cases means identical effort across a simple API and a complex hardware integration system. The present case is better explained by: Risk-based test prioritization supports informed choices when not every planned case can run.

D:

This principle could explain a different testing issue: A support engineer creates duplicate tickets for one crash that occurs under multiple user accounts, consuming triage time and hiding its shared root condition. The present case is better explained by: Risk-based test prioritization supports informed choices when not every planned case can run.

Question 788

A tester is asked to evaluate the following situation: An online retailer has only one day of test execution left but tries to run the full lower-risk suite before high-priority payment cases because the full suite is easier to schedule. Which repeatable testing practice most directly reduces recurrence of this problem?

  1. Map planned checks to quadrants without turning them into stage gates.
  2. Define time-critical priority ordering during test planning, not after time runs out.
  3. Refine testing tasks alongside development tasks during backlog planning.
  4. Require structured reproducibility and actual-versus-expected data in issue templates.

Explanation

Correct Answer

B:

This safeguard specifically targets the contributing cause: Define time-critical priority ordering during test planning, not after time runs out. It addresses the principle (Risk-based test prioritization supports informed choices when not every planned case can run.) and can be assessed by: The short execution window produces relevant payment evidence and transparent residual gaps.

Incorrect Answers

A:

This preventive step mitigates a different project risk (syllabus section 5.1): A tester uses the agile testing quadrants as a strict sequence of four release phases and refuses technical critique until business-facing tests finish. The targeted safeguard for the current case is: Define time-critical priority ordering during test planning, not after time runs out.

C:

This preventive step mitigates a different project risk (syllabus section 5.1): A scrum team schedules a sprint demo while ignoring time to prepare test data and validate the integrated user story. The targeted safeguard for the current case is: Define time-critical priority ordering during test planning, not after time runs out.

D:

This preventive step mitigates a different project risk (syllabus section 5.5): A mobile app tester files a defect with title 'does not work', no expected outcome, and no steps, preventing a developer from reproducing it. The targeted safeguard for the current case is: Define time-critical priority ordering during test planning, not after time runs out.

Question 789

A quality engineering exercise presents this condition: A quality lead assumes the same count of test cases means identical effort across a simple API and a complex hardware integration system. Which testing activity or corrective action best addresses this situation?

  1. Estimate activity effort using complexity, setup, data and troubleshooting differences rather than raw case counts.
  2. Cross-check expert judgment with historical productivity or structured estimation techniques and assumptions.
  3. Include testing, test-data work and external dependencies in story and iteration estimates.
  4. Close the confirmed original defect separately while logging and investigating the newly observed regression.

Explanation

Correct Answer

A:

The targeted action is: Estimate activity effort using complexity, setup, data and troubleshooting differences rather than raw case counts. It addresses the underlying software-testing principle: Counting cases alone is an unreliable predictor of testing effort across unlike environments. The relevant confirming evidence is: The integration estimate accounts for physical setup and external coordination not present in the API work.

Incorrect Answers

B:

This choice is a useful response to a different testing situation (section 5.1, Test Planning): A project estimates 120 test cases based on a single expert opinion but never reviews the result against prior similar releases. The present problem instead depends on: Counting cases alone is an unreliable predictor of testing effort across unlike environments.

C:

This choice is a useful response to a different testing situation (section 5.1, Test Planning): A scrum team estimates one very complex integration story using only development hours, then realizes testing and third-party environment setup consume most of the iteration. The present problem instead depends on: Counting cases alone is an unreliable predictor of testing effort across unlike environments.

D:

This choice is a useful response to a different testing situation (section 5.5, Defect Management): An integration defect passes retest, but related tests expose a new API schema regression and the manager closes all work as one fixed issue. The present problem instead depends on: Counting cases alone is an unreliable predictor of testing effort across unlike environments.

Question 790

A quality engineering exercise presents this condition: A quality lead assumes the same count of test cases means identical effort across a simple API and a complex hardware integration system. Which observation best verifies that the stated testing issue is addressed?

  1. The team performs supporting checks and critical evaluations throughout the iteration as needed.
  2. The integration estimate accounts for physical setup and external coordination not present in the API work.
  3. The iteration backlog includes explicit test tasks and the story meets its completion criteria.
  4. The register assigns distinct mitigations to schedule delay and customer transaction failure.

Explanation

Correct Answer

B:

This is the expected verification outcome: The integration estimate accounts for physical setup and external coordination not present in the API work. It directly checks the corrective activity (Estimate activity effort using complexity, setup, data and troubleshooting differences rather than raw case counts.) for the described testing problem.

Incorrect Answers

A:

This result may validate another testing scenario: A tester uses the agile testing quadrants as a strict sequence of four release phases and refuses technical critique until business-facing tests finish. It does not establish the required result for this case: The integration estimate accounts for physical setup and external coordination not present in the API work.

C:

This result may validate another testing scenario: A scrum team schedules a sprint demo while ignoring time to prepare test data and validate the integrated user story. It does not establish the required result for this case: The integration estimate accounts for physical setup and external coordination not present in the API work.

D:

This result may validate another testing scenario: A team reports delayed test-environment provisioning as a product defect risk in its risk register and prioritizes it as proof users will lose money. It does not establish the required result for this case: The integration estimate accounts for physical setup and external coordination not present in the API work.