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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 85

Question 840

A quality engineering exercise presents this condition: A feature has been redesigned, but the risk register still describes its old external billing interface and no one reviews the stale mitigation plan. Which repeatable testing practice most directly reduces recurrence of this problem?

  1. Include risk review in change control for architectural redesigns.
  2. Review risk priority with clinical stakeholders before allocating test effort.
  3. Trace product risks to relevant test objectives and evidence.
  4. Define time-critical priority ordering during test planning, not after time runs out.

Explanation

Correct Answer

A:

This safeguard specifically targets the contributing cause: Include risk review in change control for architectural redesigns. It addresses the principle (Risk identification and control must be revisited as the product and context evolve.) and can be assessed by: Current risks and their owners align with the revised design and coverage.

Incorrect Answers

B:

This preventive step mitigates a different project risk (syllabus section 5.2): 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 targeted safeguard for the current case is: Include risk review in change control for architectural redesigns.

C:

This preventive step mitigates a different project risk (syllabus section 5.2): A travel booking release has a high-risk external airline API dependency, but testers execute all lower-level local unit checks and claim the dependency risk is closed. The targeted safeguard for the current case is: Include risk review in change control for architectural redesigns.

D:

This preventive step mitigates a different project risk (syllabus section 5.1): 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. The targeted safeguard for the current case is: Include risk review in change control for architectural redesigns.

Question 841

A software testing team encounters the following project situation: 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. Which testing activity or corrective action best addresses this situation?

  1. Report the scan's coverage limits and plan targeted authenticated security tests for residual risk.
  2. Rank the disclosure risk higher given its potential impact and prioritize suitable negative tests.
  3. Treat staffing availability as a project delivery risk while separately assessing data integrity failure as a product risk.
  4. Use risk and time constraints to run payment-critical scenarios first and record omitted lower-value coverage.

Explanation

Correct Answer

A:

The targeted action is: Report the scan's coverage limits and plan targeted authenticated security tests for residual risk. It addresses the underlying software-testing principle: Negative tool findings cannot reduce risk for areas the tool did not examine. The relevant confirming evidence is: The report distinguishes scanned paths from untested privileged functions and records remaining exposure.

Incorrect Answers

B:

This choice is a useful response to a different testing situation (section 5.2, Risk Management): A compliance portal treats untested login combinations and a public-facing data disclosure flaw as equally important simply because both have one associated test case. The present problem instead depends on: Negative tool findings cannot reduce risk for areas the tool did not examine.

C:

This choice is a useful response to a different testing situation (section 5.2, Risk Management): 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 problem instead depends on: Negative tool findings cannot reduce risk for areas the tool did not examine.

D:

This choice is a useful response to a different testing situation (section 5.1, Test Planning): 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. The present problem instead depends on: Negative tool findings cannot reduce risk for areas the tool did not examine.

Question 842

A software testing team encounters the following project situation: 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. Which observation best verifies that the stated testing issue is addressed?

  1. The risk register records significant exposure and targeted payment tests are scheduled.
  2. Critical missed-appointment errors appear early in testing rather than after cosmetic checks.
  3. One primary defect tracks the shared crash with separate supporting reproductions.
  4. The report distinguishes scanned paths from untested privileged functions and records remaining exposure.

Explanation

Correct Answer

D:

This is the expected verification outcome: The report distinguishes scanned paths from untested privileged functions and records remaining exposure. It directly checks the corrective activity (Report the scan's coverage limits and plan targeted authenticated security tests for residual risk.) for the described testing problem.

Incorrect Answers

A:

This result may validate another testing scenario: A payroll platform has a low-likelihood but potentially catastrophic bank-routing defect, yet the team treats it as negligible due to its low incident count. It does not establish the required result for this case: The report distinguishes scanned paths from untested privileged functions and records remaining exposure.

B:

This result may validate another testing scenario: A medical booking application has high impact if emergency appointments are lost, and testers choose random low-priority features for their first execution batch. It does not establish the required result for this case: The report distinguishes scanned paths from untested privileged functions and records remaining exposure.

C:

This result may validate another testing scenario: A support engineer creates duplicate tickets for one crash that occurs under multiple user accounts, consuming triage time and hiding its shared root condition. It does not establish the required result for this case: The report distinguishes scanned paths from untested privileged functions and records remaining exposure.

Question 843

A software testing team encounters the following project situation: 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. Which testing concept or underlying cause best explains the reported problem?

  1. Test case count does not measure risk severity or mitigation priority.
  2. Risk level reflects probability and impact rather than frequency alone.
  3. Testers contribute estimates and dependencies to iteration planning, not just the final demonstration.
  4. Negative tool findings cannot reduce risk for areas the tool did not examine.

Explanation

Correct Answer

D:

The most relevant explanation is: Negative tool findings cannot reduce risk for areas the tool did not examine. This describes why the original situation (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.) merits the response: Report the scan's coverage limits and plan targeted authenticated security tests for residual risk.

Incorrect Answers

A:

This principle could explain a different testing issue: A compliance portal treats untested login combinations and a public-facing data disclosure flaw as equally important simply because both have one associated test case. The present case is better explained by: Negative tool findings cannot reduce risk for areas the tool did not examine.

B:

This principle could explain a different testing issue: A payroll platform has a low-likelihood but potentially catastrophic bank-routing defect, yet the team treats it as negligible due to its low incident count. The present case is better explained by: Negative tool findings cannot reduce risk for areas the tool did not examine.

C:

This principle could explain a different testing issue: A scrum team schedules a sprint demo while ignoring time to prepare test data and validate the integrated user story. The present case is better explained by: Negative tool findings cannot reduce risk for areas the tool did not examine.

Question 844

A software testing team encounters the following project situation: 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. Which repeatable testing practice most directly reduces recurrence of this problem?

  1. Include risk review in change control for architectural redesigns.
  2. Review risk categories and dependencies during staffing changes.
  3. Reconcile release reports with the current defect register independently of ownership.
  4. Require scope and limitations with risk-control evidence.

Explanation

Correct Answer

D:

This safeguard specifically targets the contributing cause: Require scope and limitations with risk-control evidence. It addresses the principle (Negative tool findings cannot reduce risk for areas the tool did not examine.) and can be assessed by: The report distinguishes scanned paths from untested privileged functions and records remaining exposure.

Incorrect Answers

A:

This preventive step mitigates a different project risk (syllabus section 5.2): A feature has been redesigned, but the risk register still describes its old external billing interface and no one reviews the stale mitigation plan. The targeted safeguard for the current case is: Require scope and limitations with risk-control evidence.

B:

This preventive step mitigates a different project risk (syllabus section 5.2): 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 targeted safeguard for the current case is: Require scope and limitations with risk-control evidence.

C:

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: Require scope and limitations with risk-control evidence.

Question 845

During a release-readiness review, a tester observes: A network appliance team assigns a numerical risk score without stakeholder input, underestimating the operational impact of service interruption during critical maintenance. Which testing activity or corrective action best addresses this situation?

  1. Reassess likelihood and impact of authorization bypass and test the backend enforcement directly.
  2. Report the scan's coverage limits and plan targeted authenticated security tests for residual risk.
  3. Validate risk impact with operators and other affected stakeholders before setting test priority.
  4. Estimate activity effort using complexity, setup, data and troubleshooting differences rather than raw case counts.

Explanation

Correct Answer

C:

The targeted action is: Validate risk impact with operators and other affected stakeholders before setting test priority. It addresses the underlying software-testing principle: Risk analysis is context-sensitive and benefits from domain knowledge of affected consequences. The relevant confirming evidence is: The updated risk score reflects operational downtime and leads to planned recovery tests.

Incorrect Answers

A:

This choice is a useful response to a different testing situation (section 5.2, Risk Management): A website implements a strong password rule but has no tests for server-side bypass through a direct API call; leadership accepts a low risk score based on UI checks. The present problem instead depends on: Risk analysis is context-sensitive and benefits from domain knowledge of affected consequences.

B:

This choice is a useful response to a different testing situation (section 5.2, Risk Management): 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 present problem instead depends on: Risk analysis is context-sensitive and benefits from domain knowledge of affected consequences.

D:

This choice is a useful response to a different testing situation (section 5.1, Test Planning): 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 problem instead depends on: Risk analysis is context-sensitive and benefits from domain knowledge of affected consequences.

Question 846

During a release-readiness review, a tester observes: A network appliance team assigns a numerical risk score without stakeholder input, underestimating the operational impact of service interruption during critical maintenance. Which observation best verifies that the stated testing issue is addressed?

  1. Load tests determine whether throughput stays within agreed thresholds or requires corrective work.
  2. Patient-safety behaviors receive stronger validation than low-impact presentation details.
  3. The report corrects false passes and exposes any actual behavior failures.
  4. The updated risk score reflects operational downtime and leads to planned recovery tests.

Explanation

Correct Answer

D:

This is the expected verification outcome: The updated risk score reflects operational downtime and leads to planned recovery tests. It directly checks the corrective activity (Validate risk impact with operators and other affected stakeholders before setting test priority.) for the described testing problem.

Incorrect Answers

A:

This result may validate another testing scenario: A system's performance risk is rated high, but the only planned action is to add a warning to the release notes without measuring capacity. It does not establish the required result for this case: The updated risk score reflects operational downtime and leads to planned recovery tests.

B:

This result may validate another testing scenario: 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. It does not establish the required result for this case: The updated risk score reflects operational downtime and leads to planned recovery tests.

C:

This result may validate another testing scenario: A project tracks all test cases as passed but the execution log shows several scripts silently skipped all assertions during a framework upgrade. It does not establish the required result for this case: The updated risk score reflects operational downtime and leads to planned recovery tests.

Question 847

During a release-readiness review, a tester observes: A network appliance team assigns a numerical risk score without stakeholder input, underestimating the operational impact of service interruption during critical maintenance. Which testing concept or underlying cause best explains the reported problem?

  1. Negative tool findings cannot reduce risk for areas the tool did not examine.
  2. Risk analysis is context-sensitive and benefits from domain knowledge of affected consequences.
  3. Resource risks affect project execution, whereas product risks concern the delivered system's qualities.
  4. Counts alone can distort quality and release risk without severity and coverage context.

Explanation

Correct Answer

B:

The most relevant explanation is: Risk analysis is context-sensitive and benefits from domain knowledge of affected consequences. This describes why the original situation (A network appliance team assigns a numerical risk score without stakeholder input, underestimating the operational impact of service interruption during critical maintenance.) merits the response: Validate risk impact with operators and other affected stakeholders before setting test priority.

Incorrect Answers

A:

This principle could explain a different testing issue: 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 present case is better explained by: Risk analysis is context-sensitive and benefits from domain knowledge of affected consequences.

C:

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: Risk analysis is context-sensitive and benefits from domain knowledge of affected consequences.

D:

This principle could explain a different testing issue: 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 case is better explained by: Risk analysis is context-sensitive and benefits from domain knowledge of affected consequences.

Question 848

During a release-readiness review, a tester observes: A network appliance team assigns a numerical risk score without stakeholder input, underestimating the operational impact of service interruption during critical maintenance. Which repeatable testing practice most directly reduces recurrence of this problem?

  1. Relate priority decisions to impact and likelihood, not inventory size.
  2. Use a risk matrix that incorporates consequence severity.
  3. Review risk scoring with users and operations when impacts extend beyond code.
  4. Provide defect triage guidelines with explicit severity and priority dimensions.

Explanation

Correct Answer

C:

This safeguard specifically targets the contributing cause: Review risk scoring with users and operations when impacts extend beyond code. It addresses the principle (Risk analysis is context-sensitive and benefits from domain knowledge of affected consequences.) and can be assessed by: The updated risk score reflects operational downtime and leads to planned recovery tests.

Incorrect Answers

A:

This preventive step mitigates a different project risk (syllabus section 5.2): A compliance portal treats untested login combinations and a public-facing data disclosure flaw as equally important simply because both have one associated test case. The targeted safeguard for the current case is: Review risk scoring with users and operations when impacts extend beyond code.

B:

This preventive step mitigates a different project risk (syllabus section 5.2): 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 targeted safeguard for the current case is: Review risk scoring with users and operations when impacts extend beyond code.

D:

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: Review risk scoring with users and operations when impacts extend beyond code.

Question 849

A test analyst investigates the following quality concern: A release dashboard says 95% of tests passed but excludes 40 blocked cases, leading leadership to believe almost all required behavior is validated. Which testing activity or corrective action best addresses this situation?

  1. Report executed, passed, failed and blocked test counts with the full planned denominator.
  2. Tailor technical failure details for engineers and concise risk/status information for executives.
  3. Assess remaining cases against exit criteria and product risks, escalating unresolved obligations.
  4. Classify the function check as technology-facing support while using user examples for business-facing assurance.

Explanation

Correct Answer

A:

The targeted action is: Report executed, passed, failed and blocked test counts with the full planned denominator. It addresses the underlying software-testing principle: Misleading metrics can arise when blocked or unexecuted tests are omitted from the denominator. The relevant confirming evidence is: A stakeholder can distinguish execution progress from pass rate and remaining untested scope.

Incorrect Answers

B:

This choice is a useful response to a different testing situation (section 5.3, Test Monitoring, Test Control and Test Completion): A delivery manager receives an identical technical log dump and high-level executive report despite the two audiences needing different decisions. The present problem instead depends on: Misleading metrics can arise when blocked or unexecuted tests are omitted from the denominator.

C:

This choice is a useful response to a different testing situation (section 5.3, Test Monitoring, Test Control and Test Completion): A system integration suite reaches the time budget with ten unexecuted high-risk cases, but management closes testing because the planned deadline was reached. The present problem instead depends on: Misleading metrics can arise when blocked or unexecuted tests are omitted from the denominator.

D:

This choice is a useful response to a different testing situation (section 5.1, Test Planning): A company labels a unit test as 'business-facing critique' within its testing quadrant model even though it only checks an isolated calculation function. The present problem instead depends on: Misleading metrics can arise when blocked or unexecuted tests are omitted from the denominator.

Question 850

A test analyst investigates the following quality concern: A release dashboard says 95% of tests passed but excludes 40 blocked cases, leading leadership to believe almost all required behavior is validated. Which observation best verifies that the stated testing issue is addressed?

  1. A release board can make a documented decision using concrete test results and remaining issues.
  2. The dashboard attributes the failures to a single changed build rather than blending unrelated runs.
  3. A stakeholder can distinguish execution progress from pass rate and remaining untested scope.
  4. The register assigns distinct mitigations to schedule delay and customer transaction failure.

Explanation

Correct Answer

C:

This is the expected verification outcome: A stakeholder can distinguish execution progress from pass rate and remaining untested scope. It directly checks the corrective activity (Report executed, passed, failed and blocked test counts with the full planned denominator.) for the described testing problem.

Incorrect Answers

A:

This result may validate another testing scenario: A QA lead prepares a completion report that says 'testing finished' but lacks unresolved defects, coverage, achieved objectives and environment caveats. It does not establish the required result for this case: A stakeholder can distinguish execution progress from pass rate and remaining untested scope.

B:

This result may validate another testing scenario: An automated regression run failed overnight, and a dashboard charts failure counts without recording which build or environment produced them. It does not establish the required result for this case: A stakeholder can distinguish execution progress from pass rate and remaining untested scope.

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: A stakeholder can distinguish execution progress from pass rate and remaining untested scope.