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Exam Code: CTFL v4.0

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

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ISTQB CTFL v4.0 Practice Test 94

Question 930

A tester is asked to evaluate the following situation: A developer marks a bug fixed after modifying code, but the original failing test was never rerun and the same fault persists in the build. Which observation best verifies that the stated testing issue is addressed?

  1. The status explains which versions and inputs were tried and whether the issue needs more information.
  2. The previous reproduction now passes and the defect record references its retest result.
  3. Another engineer reproduces the crash in the stated build and can investigate it.
  4. The report distinguishes scanned paths from untested privileged functions and records remaining exposure.

Explanation

Correct Answer

B:

This is the expected verification outcome: The previous reproduction now passes and the defect record references its retest result. It directly checks the corrective activity (Perform confirmation testing on the exact failure using the corrected build before closure.) for the described testing problem.

Incorrect Answers

A:

This result may validate another testing scenario: A team closes a reported failure as 'cannot reproduce' without documenting tested conditions or asking the reporter for missing details. It does not establish the required result for this case: The previous reproduction now passes and the defect record references its retest result.

C:

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 previous reproduction now passes and the defect record references its retest result.

D:

This result may validate another testing scenario: A team runs a penetration scanner and marks all identified security risks eliminated because the tool reported no findings, though its scan excluded authenticated endpoints. It does not establish the required result for this case: The previous reproduction now passes and the defect record references its retest result.

Question 931

A tester is asked to evaluate the following situation: A developer marks a bug fixed after modifying code, but the original failing test was never rerun and the same fault persists in the build. Which testing concept or underlying cause best explains the reported problem?

  1. Fix implementation and confirmation testing are distinct defect lifecycle steps.
  2. Defect lifecycle decisions must be communicated and supported by investigation evidence.
  3. Severity expresses impact of a defect while priority describes urgency of its resolution.
  4. Test completion reporting is an evidence-based assessment, not merely a date stamp.

Explanation

Correct Answer

A:

The most relevant explanation is: Fix implementation and confirmation testing are distinct defect lifecycle steps. This describes why the original situation (A developer marks a bug fixed after modifying code, but the original failing test was never rerun and the same fault persists in the build.) merits the response: Perform confirmation testing on the exact failure using the corrected build before closure.

Incorrect Answers

B:

This principle could explain a different testing issue: A team closes a reported failure as 'cannot reproduce' without documenting tested conditions or asking the reporter for missing details. The present case is better explained by: Fix implementation and confirmation testing are distinct defect lifecycle steps.

C:

This principle could explain a different testing issue: A critical data-loss defect is logged as lowest priority because the feature is used rarely, with no assessment of potential business harm. The present case is better explained by: Fix implementation and confirmation testing are distinct defect lifecycle steps.

D:

This principle could explain a different testing issue: A QA lead prepares a completion report that says 'testing finished' but lacks unresolved defects, coverage, achieved objectives and environment caveats. The present case is better explained by: Fix implementation and confirmation testing are distinct defect lifecycle steps.

Question 932

A tester is asked to evaluate the following situation: A developer marks a bug fixed after modifying code, but the original failing test was never rerun and the same fault persists in the build. Which repeatable testing practice most directly reduces recurrence of this problem?

  1. Require retest evidence as a defect-closure condition.
  2. Provide defect triage guidelines with explicit severity and priority dimensions.
  3. Review similar symptoms and shared reproduction signatures during triage.
  4. Review slow-suite bottlenecks and move suitable checks to lower levels.

Explanation

Correct Answer

A:

This safeguard specifically targets the contributing cause: Require retest evidence as a defect-closure condition. It addresses the principle (Fix implementation and confirmation testing are distinct defect lifecycle steps.) and can be assessed by: The previous reproduction now passes and the defect record references its retest result.

Incorrect Answers

B:

This preventive step mitigates a different project risk (syllabus section 5.5): A critical data-loss defect is logged as lowest priority because the feature is used rarely, with no assessment of potential business harm. The targeted safeguard for the current case is: Require retest evidence as a defect-closure condition.

C:

This preventive step mitigates a different project risk (syllabus section 5.5): 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 targeted safeguard for the current case is: Require retest evidence as a defect-closure condition.

D:

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: Require retest evidence as a defect-closure condition.

Question 933

A quality engineering exercise presents this condition: A support engineer creates duplicate tickets for one crash that occurs under multiple user accounts, consuming triage time and hiding its shared root condition. Which testing activity or corrective action best addresses this situation?

  1. Perform confirmation testing on the exact failure using the corrected build before closure.
  2. Correlate reproducible symptoms and build context before merging or linking related defect reports.
  3. Include significant unresolved defects and their impacts regardless of organizational ownership.
  4. Prioritize emergency appointment scenarios based on product risk assessment.

Explanation

Correct Answer

B:

The targeted action is: Correlate reproducible symptoms and build context before merging or linking related defect reports. It addresses the underlying software-testing principle: Defect management benefits from controlled duplicate handling while retaining evidence of affected scenarios. The relevant confirming evidence is: One primary defect tracks the shared crash with separate supporting reproductions.

Incorrect Answers

A:

This choice is a useful response to a different testing situation (section 5.5, Defect Management): A developer marks a bug fixed after modifying code, but the original failing test was never rerun and the same fault persists in the build. The present problem instead depends on: Defect management benefits from controlled duplicate handling while retaining evidence of affected scenarios.

C:

This choice is a useful response to a different testing situation (section 5.5, Defect Management): A release board considers a known authorization bypass as an open defect but the test lead hides it from the completion report because it is assigned to another department. The present problem instead depends on: Defect management benefits from controlled duplicate handling while retaining evidence of affected scenarios.

D:

This choice is a useful response to a different testing situation (section 5.2, Risk Management): A medical booking application has high impact if emergency appointments are lost, and testers choose random low-priority features for their first execution batch. The present problem instead depends on: Defect management benefits from controlled duplicate handling while retaining evidence of affected scenarios.

Question 934

A quality engineering exercise presents this condition: A support engineer creates duplicate tickets for one crash that occurs under multiple user accounts, consuming triage time and hiding its shared root condition. Which observation best verifies that the stated testing issue is addressed?

  1. A developer reproduces the exact incorrect total from the defect report.
  2. One primary defect tracks the shared crash with separate supporting reproductions.
  3. The issue history distinguishes the corrected failure from a newly introduced incompatible API response.
  4. The schedule records the broker replacement and contract-test readiness as critical dependencies.

Explanation

Correct Answer

B:

This is the expected verification outcome: One primary defect tracks the shared crash with separate supporting reproductions. It directly checks the corrective activity (Correlate reproducible symptoms and build context before merging or linking related defect reports.) for the described testing problem.

Incorrect Answers

A:

This result may validate another testing scenario: A reporting test detects an incorrect decimal total, but the defect tracker records only a UI screenshot without the input data or rule being applied. It does not establish the required result for this case: One primary defect tracks the shared crash with separate supporting reproductions.

C:

This result may validate another testing scenario: An integration defect passes retest, but related tests expose a new API schema regression and the manager closes all work as one fixed issue. It does not establish the required result for this case: One primary defect tracks the shared crash with separate supporting reproductions.

D:

This result may validate another testing scenario: A migration sponsor requests a release date while the test lead has not identified which services depend on a retired message broker. It does not establish the required result for this case: One primary defect tracks the shared crash with separate supporting reproductions.

Question 935

A quality engineering exercise presents this condition: A support engineer creates duplicate tickets for one crash that occurs under multiple user accounts, consuming triage time and hiding its shared root condition. Which testing concept or underlying cause best explains the reported problem?

  1. Fix implementation and confirmation testing are distinct defect lifecycle steps.
  2. Defect management benefits from controlled duplicate handling while retaining evidence of affected scenarios.
  3. Severity expresses impact of a defect while priority describes urgency of its resolution.
  4. Resource risks affect project execution, whereas product risks concern the delivered system's qualities.

Explanation

Correct Answer

B:

The most relevant explanation is: Defect management benefits from controlled duplicate handling while retaining evidence of affected scenarios. This describes why the original situation (A support engineer creates duplicate tickets for one crash that occurs under multiple user accounts, consuming triage time and hiding its shared root condition.) merits the response: Correlate reproducible symptoms and build context before merging or linking related defect reports.

Incorrect Answers

A:

This principle could explain a different testing issue: A developer marks a bug fixed after modifying code, but the original failing test was never rerun and the same fault persists in the build. The present case is better explained by: Defect management benefits from controlled duplicate handling while retaining evidence of affected scenarios.

C:

This principle could explain a different testing issue: A critical data-loss defect is logged as lowest priority because the feature is used rarely, with no assessment of potential business harm. The present case is better explained by: Defect management benefits from controlled duplicate handling while retaining evidence of affected scenarios.

D:

This principle could explain a different testing issue: An integration project discovers that the only test database administrator is leaving, but the planning team describes this as a direct customer data-corruption defect. The present case is better explained by: Defect management benefits from controlled duplicate handling while retaining evidence of affected scenarios.

Question 936

A quality engineering exercise presents this condition: A support engineer creates duplicate tickets for one crash that occurs under multiple user accounts, consuming triage time and hiding its shared root condition. Which repeatable testing practice most directly reduces recurrence of this problem?

  1. Link regression findings to relevant changes and track independent resolution evidence.
  2. Require structured reproducibility and actual-versus-expected data in issue templates.
  3. Require scope and limitations with risk-control evidence.
  4. Review similar symptoms and shared reproduction signatures during triage.

Explanation

Correct Answer

D:

This safeguard specifically targets the contributing cause: Review similar symptoms and shared reproduction signatures during triage. It addresses the principle (Defect management benefits from controlled duplicate handling while retaining evidence of affected scenarios.) and can be assessed by: One primary defect tracks the shared crash with separate supporting reproductions.

Incorrect Answers

A:

This preventive step mitigates a different project risk (syllabus section 5.5): 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 targeted safeguard for the current case is: Review similar symptoms and shared reproduction signatures during triage.

B:

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: Review similar symptoms and shared reproduction signatures during triage.

C:

This preventive step mitigates a different project risk (syllabus section 5.2): A team runs a penetration scanner and marks all identified security risks eliminated because the tool reported no findings, though its scan excluded authenticated endpoints. The targeted safeguard for the current case is: Review similar symptoms and shared reproduction signatures during triage.

Question 937

A software testing team encounters the following project situation: A team closes a reported failure as 'cannot reproduce' without documenting tested conditions or asking the reporter for missing details. Which testing activity or corrective action best addresses this situation?

  1. Perform confirmation testing on the exact failure using the corrected build before closure.
  2. Include significant unresolved defects and their impacts regardless of organizational ownership.
  3. Report executed, passed, failed and blocked test counts with the full planned denominator.
  4. Record attempted reproduction conditions and request additional evidence before assigning a final disposition.

Explanation

Correct Answer

D:

The targeted action is: Record attempted reproduction conditions and request additional evidence before assigning a final disposition. It addresses the underlying software-testing principle: Defect lifecycle decisions must be communicated and supported by investigation evidence. The relevant confirming evidence is: The status explains which versions and inputs were tried and whether the issue needs more information.

Incorrect Answers

A:

This choice is a useful response to a different testing situation (section 5.5, Defect Management): A developer marks a bug fixed after modifying code, but the original failing test was never rerun and the same fault persists in the build. The present problem instead depends on: Defect lifecycle decisions must be communicated and supported by investigation evidence.

B:

This choice is a useful response to a different testing situation (section 5.5, Defect Management): A release board considers a known authorization bypass as an open defect but the test lead hides it from the completion report because it is assigned to another department. The present problem instead depends on: Defect lifecycle decisions must be communicated and supported by investigation evidence.

C:

This choice is a useful response to a different testing situation (section 5.3, Test Monitoring, Test Control and Test Completion): A release dashboard says 95% of tests passed but excludes 40 blocked cases, leading leadership to believe almost all required behavior is validated. The present problem instead depends on: Defect lifecycle decisions must be communicated and supported by investigation evidence.

Question 938

A software testing team encounters the following project situation: A team closes a reported failure as 'cannot reproduce' without documenting tested conditions or asking the reporter for missing details. Which observation best verifies that the stated testing issue is addressed?

  1. Another engineer reproduces the crash in the stated build and can investigate it.
  2. The report shows the authorization risk and its accepted or blocking status before release decision.
  3. The status explains which versions and inputs were tried and whether the issue needs more information.
  4. Current risks and their owners align with the revised design and coverage.

Explanation

Correct Answer

C:

This is the expected verification outcome: The status explains which versions and inputs were tried and whether the issue needs more information. It directly checks the corrective activity (Record attempted reproduction conditions and request additional evidence before assigning a final disposition.) for the described testing problem.

Incorrect Answers

A:

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 status explains which versions and inputs were tried and whether the issue needs more information.

B:

This result may validate another testing scenario: A release board considers a known authorization bypass as an open defect but the test lead hides it from the completion report because it is assigned to another department. It does not establish the required result for this case: The status explains which versions and inputs were tried and whether the issue needs more information.

D:

This result may validate another testing scenario: A feature has been redesigned, but the risk register still describes its old external billing interface and no one reviews the stale mitigation plan. It does not establish the required result for this case: The status explains which versions and inputs were tried and whether the issue needs more information.

Question 939

A software testing team encounters the following project situation: A team closes a reported failure as 'cannot reproduce' without documenting tested conditions or asking the reporter for missing details. Which testing concept or underlying cause best explains the reported problem?

  1. Defect transparency supports informed quality and risk decisions across team boundaries.
  2. Defect reports must communicate enough information to analyze and resolve an issue.
  3. Defect lifecycle decisions must be communicated and supported by investigation evidence.
  4. Test exit criteria concern achievement of risk and quality objectives, not only activity completion.

Explanation

Correct Answer

C:

The most relevant explanation is: Defect lifecycle decisions must be communicated and supported by investigation evidence. This describes why the original situation (A team closes a reported failure as 'cannot reproduce' without documenting tested conditions or asking the reporter for missing details.) merits the response: Record attempted reproduction conditions and request additional evidence before assigning a final disposition.

Incorrect Answers

A:

This principle could explain a different testing issue: A release board considers a known authorization bypass as an open defect but the test lead hides it from the completion report because it is assigned to another department. The present case is better explained by: Defect lifecycle decisions must be communicated and supported by investigation evidence.

B:

This principle could explain a different testing issue: 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 present case is better explained by: Defect lifecycle decisions must be communicated and supported by investigation evidence.

D:

This principle could explain a different testing issue: A release planner assumes completion of all planned tests is sufficient for exit, even when two unresolved critical payment defects remain. The present case is better explained by: Defect lifecycle decisions must be communicated and supported by investigation evidence.

Question 940

A software testing team encounters the following project situation: A team closes a reported failure as 'cannot reproduce' without documenting tested conditions or asking the reporter for missing details. Which repeatable testing practice most directly reduces recurrence of this problem?

  1. Provide defect triage guidelines with explicit severity and priority dimensions.
  2. Include test-data and expected-result references in numerical defect reports.
  3. Use explicit unresolved or needs-information states for insufficient reproductions.
  4. Store fixtures under reviewable version control and isolate execution environments.

Explanation

Correct Answer

C:

This safeguard specifically targets the contributing cause: Use explicit unresolved or needs-information states for insufficient reproductions. It addresses the principle (Defect lifecycle decisions must be communicated and supported by investigation evidence.) and can be assessed by: The status explains which versions and inputs were tried and whether the issue needs more information.

Incorrect Answers

A:

This preventive step mitigates a different project risk (syllabus section 5.5): A critical data-loss defect is logged as lowest priority because the feature is used rarely, with no assessment of potential business harm. The targeted safeguard for the current case is: Use explicit unresolved or needs-information states for insufficient reproductions.

B:

This preventive step mitigates a different project risk (syllabus section 5.5): A reporting test detects an incorrect decimal total, but the defect tracker records only a UI screenshot without the input data or rule being applied. The targeted safeguard for the current case is: Use explicit unresolved or needs-information states for insufficient reproductions.

D:

This preventive step mitigates a different project risk (syllabus section 5.4): An automation team changes test-data fixtures in a shared folder while two branches run parallel regression suites, causing nondeterministic results. The targeted safeguard for the current case is: Use explicit unresolved or needs-information states for insufficient reproductions.