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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 95

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.

Question 941

During a release-readiness review, a tester observes: 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. Which testing activity or corrective action best addresses this situation?

  1. Record attempted reproduction conditions and request additional evidence before assigning a final disposition.
  2. Include significant unresolved defects and their impacts regardless of organizational ownership.
  3. Perform confirmation testing on the exact failure using the corrected build before closure.
  4. Include the likelihood and impact of latent product risks when prioritizing tests.

Explanation

Correct Answer

B:

The targeted action is: Include significant unresolved defects and their impacts regardless of organizational ownership. It addresses the underlying software-testing principle: Defect transparency supports informed quality and risk decisions across team boundaries. The relevant confirming evidence is: The report shows the authorization risk and its accepted or blocking status before release decision.

Incorrect Answers

A:

This choice is a useful response to a different testing situation (section 5.5, Defect Management): A team closes a reported failure as 'cannot reproduce' without documenting tested conditions or asking the reporter for missing details. The present problem instead depends on: Defect transparency supports informed quality and risk decisions across team boundaries.

C:

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 transparency supports informed quality and risk decisions across team boundaries.

D:

This choice is a useful response to a different testing situation (section 5.1, Test Planning): A tester ranks cases solely by customer visibility and leaves a severe hidden data-integrity risk until the final day. The present problem instead depends on: Defect transparency supports informed quality and risk decisions across team boundaries.

Question 942

During a release-readiness review, a tester observes: 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. 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 issue history distinguishes the corrected failure from a newly introduced incompatible API response.
  3. Execution begins when essential prerequisites are available and the run is reproducible.
  4. The report shows the authorization risk and its accepted or blocking status before release decision.

Explanation

Correct Answer

D:

This is the expected verification outcome: The report shows the authorization risk and its accepted or blocking status before release decision. It directly checks the corrective activity (Include significant unresolved defects and their impacts regardless of organizational ownership.) 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 report shows the authorization risk and its accepted or blocking status before release decision.

B:

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: The report shows the authorization risk and its accepted or blocking status before release decision.

C:

This result may validate another testing scenario: An integration group begins formal testing while the authentication environment is unavailable and a critical database schema is still changing. It does not establish the required result for this case: The report shows the authorization risk and its accepted or blocking status before release decision.

Question 943

During a release-readiness review, a tester observes: 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. Which testing concept or underlying cause best explains the reported problem?

  1. Defect transparency supports informed quality and risk decisions across team boundaries.
  2. Severity expresses impact of a defect while priority describes urgency of its resolution.
  3. Defect management benefits from controlled duplicate handling while retaining evidence of affected scenarios.
  4. Configuration management controls testware changes and prevents hidden shared-state interference.

Explanation

Correct Answer

A:

The most relevant explanation is: Defect transparency supports informed quality and risk decisions across team boundaries. This describes why the original situation (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.) merits the response: Include significant unresolved defects and their impacts regardless of organizational ownership.

Incorrect Answers

B:

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 transparency supports informed quality and risk decisions across team boundaries.

C:

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: Defect transparency supports informed quality and risk decisions across team boundaries.

D:

This principle could explain a different testing issue: An automation team changes test-data fixtures in a shared folder while two branches run parallel regression suites, causing nondeterministic results. The present case is better explained by: Defect transparency supports informed quality and risk decisions across team boundaries.

Question 944

During a release-readiness review, a tester observes: 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. Which repeatable testing practice most directly reduces recurrence of this problem?

  1. Review similar symptoms and shared reproduction signatures during triage.
  2. Include test-data and expected-result references in numerical defect reports.
  3. Reconcile release reports with the current defect register independently of ownership.
  4. Automate environment manifests and check them before each significant run.

Explanation

Correct Answer

C:

This safeguard specifically targets the contributing cause: Reconcile release reports with the current defect register independently of ownership. It addresses the principle (Defect transparency supports informed quality and risk decisions across team boundaries.) and can be assessed by: The report shows the authorization risk and its accepted or blocking status before release decision.

Incorrect Answers

A:

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: Reconcile release reports with the current defect register independently of ownership.

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: Reconcile release reports with the current defect register independently of ownership.

D:

This preventive step mitigates a different project risk (syllabus section 5.4): A bank restores a failed staging environment from a snapshot but cannot determine which database schema, service version and configuration were present before restoration. The targeted safeguard for the current case is: Reconcile release reports with the current defect register independently of ownership.

Question 945

A test analyst investigates the following quality concern: An integration defect passes retest, but related tests expose a new API schema regression and the manager closes all work as one fixed issue. Which testing activity or corrective action best addresses this situation?

  1. Include significant unresolved defects and their impacts regardless of organizational ownership.
  2. Record a concise observed failure, reproduction steps, environment, expected and actual results.
  3. Include severity, impact and risk context when interpreting defect metrics.
  4. Close the confirmed original defect separately while logging and investigating the newly observed regression.

Explanation

Correct Answer

D:

The targeted action is: Close the confirmed original defect separately while logging and investigating the newly observed regression. It addresses the underlying software-testing principle: Confirmation testing does not eliminate the need to manage adverse side effects as separate defects. The relevant confirming evidence is: The issue history distinguishes the corrected failure from a newly introduced incompatible API response.

Incorrect Answers

A:

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: Confirmation testing does not eliminate the need to manage adverse side effects as separate defects.

B:

This choice is a useful response to a different testing situation (section 5.5, Defect Management): 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 problem instead depends on: Confirmation testing does not eliminate the need to manage adverse side effects as separate defects.

C:

This choice is a useful response to a different testing situation (section 5.3, Test Monitoring, Test Control and Test Completion): A team measures 'defects per test case' without distinguishing serious customer failures from small wording issues, then chooses priorities based only on the largest raw count. The present problem instead depends on: Confirmation testing does not eliminate the need to manage adverse side effects as separate defects.

Question 946

A test analyst investigates the following quality concern: An integration defect passes retest, but related tests expose a new API schema regression and the manager closes all work as one fixed issue. Which observation best verifies that the stated testing issue is addressed?

  1. The issue receives a severity assessment that reflects possible irreversible data loss.
  2. A developer reproduces the exact incorrect total from the defect report.
  3. The issue history distinguishes the corrected failure from a newly introduced incompatible API response.
  4. The estimate reflects actual completion effort including integration acceptance checks.

Explanation

Correct Answer

C:

This is the expected verification outcome: The issue history distinguishes the corrected failure from a newly introduced incompatible API response. It directly checks the corrective activity (Close the confirmed original defect separately while logging and investigating the newly observed regression.) for the described testing problem.

Incorrect Answers

A:

This result may validate another testing scenario: A critical data-loss defect is logged as lowest priority because the feature is used rarely, with no assessment of potential business harm. It does not establish the required result for this case: The issue history distinguishes the corrected failure from a newly introduced incompatible API response.

B:

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: The issue history distinguishes the corrected failure from a newly introduced incompatible API response.

D:

This result may validate another testing scenario: 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. It does not establish the required result for this case: The issue history distinguishes the corrected failure from a newly introduced incompatible API response.

Question 947

A test analyst investigates the following quality concern: An integration defect passes retest, but related tests expose a new API schema regression and the manager closes all work as one fixed issue. Which testing concept or underlying cause best explains the reported problem?

  1. Defect management benefits from controlled duplicate handling while retaining evidence of affected scenarios.
  2. Confirmation testing does not eliminate the need to manage adverse side effects as separate defects.
  3. Defect reports must communicate enough information to analyze and resolve an issue.
  4. Different test communication channels and cadences suit different urgency and decision needs.

Explanation

Correct Answer

B:

The most relevant explanation is: Confirmation testing does not eliminate the need to manage adverse side effects as separate defects. This describes why the original situation (An integration defect passes retest, but related tests expose a new API schema regression and the manager closes all work as one fixed issue.) merits the response: Close the confirmed original defect separately while logging and investigating the newly observed regression.

Incorrect Answers

A:

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: Confirmation testing does not eliminate the need to manage adverse side effects as separate defects.

C:

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: Confirmation testing does not eliminate the need to manage adverse side effects as separate defects.

D:

This principle could explain a different testing issue: 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 present case is better explained by: Confirmation testing does not eliminate the need to manage adverse side effects as separate defects.

Question 948

A test analyst investigates the following quality concern: An integration defect passes retest, but related tests expose a new API schema regression and the manager closes all work as one fixed issue. Which repeatable testing practice most directly reduces recurrence of this problem?

  1. Reconcile release reports with the current defect register independently of ownership.
  2. Link regression findings to relevant changes and track independent resolution evidence.
  3. Provide defect triage guidelines with explicit severity and priority dimensions.
  4. Review integration prerequisites during backlog refinement and estimate together.

Explanation

Correct Answer

B:

This safeguard specifically targets the contributing cause: Link regression findings to relevant changes and track independent resolution evidence. It addresses the principle (Confirmation testing does not eliminate the need to manage adverse side effects as separate defects.) and can be assessed by: The issue history distinguishes the corrected failure from a newly introduced incompatible API response.

Incorrect Answers

A:

This preventive step mitigates a different project risk (syllabus section 5.5): 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 targeted safeguard for the current case is: Link regression findings to relevant changes and track independent resolution evidence.

C:

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: Link regression findings to relevant changes and track independent resolution evidence.

D:

This preventive step mitigates a different project risk (syllabus section 5.1): 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 targeted safeguard for the current case is: Link regression findings to relevant changes and track independent resolution evidence.

Question 949

In a fictional application-delivery project, the team reports: A product team buys a browser automation platform and assumes it will generate all required test objectives without reviewing specifications or risks. Which testing activity or corrective action best addresses this situation?

  1. Use controlled realistic contract responses and complement mocks with actual integration checks as appropriate.
  2. Keep defect status separate from test coverage and execution evidence using appropriate supported tools.
  3. Identify and correct timing, environment and test isolation sources of nondeterminism.
  4. Establish test objectives and select appropriate tooling as support for the agreed test process.

Explanation

Correct Answer

D:

The targeted action is: Establish test objectives and select appropriate tooling as support for the agreed test process. It addresses the underlying software-testing principle: Test tools support specific testing activities but do not substitute for human analysis and test design. The relevant confirming evidence is: The tool executes a reviewed set of relevant cases with meaningful expected-result checks.

Incorrect Answers

A:

This choice is a useful response to a different testing situation (section 6.1, Tool Support for Testing): A team introduces an API mock server that returns success for every request and treats the resulting integration tests as proof that the actual partner API is compatible. The present problem instead depends on: Test tools support specific testing activities but do not substitute for human analysis and test design.

B:

This choice is a useful response to a different testing situation (section 6.1, Tool Support for Testing): A release manager uses a defect-tracking tool as a substitute for a test execution system and assumes every issue marked closed means all requirements were tested. The present problem instead depends on: Test tools support specific testing activities but do not substitute for human analysis and test design.

C:

This choice is a useful response to a different testing situation (section 6.2, Benefits and Risks of Test Automation): A QA engineer runs a nondeterministic UI test hundreds of times, and its flaky results cause developers to ignore all failed pipeline checks. The present problem instead depends on: Test tools support specific testing activities but do not substitute for human analysis and test design.

Question 950

In a fictional application-delivery project, the team reports: A product team buys a browser automation platform and assumes it will generate all required test objectives without reviewing specifications or risks. Which observation best verifies that the stated testing issue is addressed?

  1. The dashboard shows open defects and unexecuted requirements as distinct information.
  2. The tool executes a reviewed set of relevant cases with meaningful expected-result checks.
  3. The workload reaches the target concurrency and produces throughput and response-time evidence.
  4. The pilot either demonstrates an operable useful workflow or prevents unsupported deployment.

Explanation

Correct Answer

B:

This is the expected verification outcome: The tool executes a reviewed set of relevant cases with meaningful expected-result checks. It directly checks the corrective activity (Establish test objectives and select appropriate tooling as support for the agreed test process.) for the described testing problem.

Incorrect Answers

A:

This result may validate another testing scenario: A release manager uses a defect-tracking tool as a substitute for a test execution system and assumes every issue marked closed means all requirements were tested. It does not establish the required result for this case: The tool executes a reviewed set of relevant cases with meaningful expected-result checks.

C:

This result may validate another testing scenario: A performance engineer uses a unit-test assertion tool for a thousand concurrent sessions, then claims its green status proves realistic load capacity. It does not establish the required result for this case: The tool executes a reviewed set of relevant cases with meaningful expected-result checks.

D:

This result may validate another testing scenario: A company adopts a commercial test platform because a competitor uses it, but the environment cannot run the tool reliably and licensing constraints block the pipeline. It does not establish the required result for this case: The tool executes a reviewed set of relevant cases with meaningful expected-result checks.