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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 99

Question 980

A tester is asked to evaluate the following situation: A startup automates a critical checkout smoke test and enjoys faster feedback, but management assumes the automation now requires no maintenance when payment selectors change. Which repeatable testing practice most directly reduces recurrence of this problem?

  1. Deliberately allocate activities based on human and tool strengths.
  2. Include periodic negative-control and harness self-tests in CI validation.
  3. Include test code and fixture maintenance in feature change review.
  4. Assess permissions, data provenance and privacy controls before tool rollout.

Explanation

Correct Answer

C:

This safeguard specifically targets the contributing cause: Include test code and fixture maintenance in feature change review. It addresses the principle (Automation can improve repeatability and speed but carries maintenance costs and fragility risks.) and can be assessed by: The smoke suite remains reliable after a selector update and still detects an actual checkout failure.

Incorrect Answers

A:

This preventive step mitigates a different project risk (syllabus section 6.2): A software vendor replaces all exploratory manual sessions with scripted automation and later misses a confusing user journey that existing assertions never evaluate. The targeted safeguard for the current case is: Include test code and fixture maintenance in feature change review.

B:

This preventive step mitigates a different project risk (syllabus section 6.2): A fintech team's automated checks report all passes after a framework upgrade, but a new default silently disables assertions in its test runner. The targeted safeguard for the current case is: Include test code and fixture maintenance in feature change review.

D:

This preventive step mitigates a different project risk (syllabus section 6.1): An organization deploys a test-data generator but gives it access to raw production patient records, creating a privacy issue in staging. The targeted safeguard for the current case is: Include test code and fixture maintenance in feature change review.

Question 981

A quality engineering exercise presents this condition: A QA engineer runs a nondeterministic UI test hundreds of times, and its flaky results cause developers to ignore all failed pipeline checks. Which testing activity or corrective action best addresses this situation?

  1. Pilot the tool against real environment, integration, skill and cost constraints before full rollout.
  2. Verify harness integrity with controlled failing checks before trusting the green automation result.
  3. Identify and correct timing, environment and test isolation sources of nondeterminism.
  4. Produce synthetic or governed de-identified test fixtures with minimum necessary access.

Explanation

Correct Answer

C:

The targeted action is: Identify and correct timing, environment and test isolation sources of nondeterminism. It addresses the underlying software-testing principle: Flaky automation undermines trust and can conceal genuine product defects. The relevant confirming evidence is: The test reliably detects seeded failures and does not fail under stable expected behavior.

Incorrect Answers

A:

This choice is a useful response to a different testing situation (section 6.2, Benefits and Risks of Test Automation): 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. The present problem instead depends on: Flaky automation undermines trust and can conceal genuine product defects.

B:

This choice is a useful response to a different testing situation (section 6.2, Benefits and Risks of Test Automation): A fintech team's automated checks report all passes after a framework upgrade, but a new default silently disables assertions in its test runner. The present problem instead depends on: Flaky automation undermines trust and can conceal genuine product defects.

D:

This choice is a useful response to a different testing situation (section 6.1, Tool Support for Testing): An organization deploys a test-data generator but gives it access to raw production patient records, creating a privacy issue in staging. The present problem instead depends on: Flaky automation undermines trust and can conceal genuine product defects.

Question 982

A quality engineering exercise presents this condition: A QA engineer runs a nondeterministic UI test hundreds of times, and its flaky results cause developers to ignore all failed pipeline checks. Which observation best verifies that the stated testing issue is addressed?

  1. The test reliably detects seeded failures and does not fail under stable expected behavior.
  2. The smoke suite remains reliable after a selector update and still detects an actual checkout failure.
  3. The pilot either demonstrates an operable useful workflow or prevents unsupported deployment.
  4. Tests detect a partner field change that a permissive fake response previously hid.

Explanation

Correct Answer

A:

This is the expected verification outcome: The test reliably detects seeded failures and does not fail under stable expected behavior. It directly checks the corrective activity (Identify and correct timing, environment and test isolation sources of nondeterminism.) for the described testing problem.

Incorrect Answers

B:

This result may validate another testing scenario: A startup automates a critical checkout smoke test and enjoys faster feedback, but management assumes the automation now requires no maintenance when payment selectors change. It does not establish the required result for this case: The test reliably detects seeded failures and does not fail under stable expected behavior.

C:

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 test reliably detects seeded failures and does not fail under stable expected behavior.

D:

This result may validate another testing scenario: 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. It does not establish the required result for this case: The test reliably detects seeded failures and does not fail under stable expected behavior.

Question 983

A quality engineering exercise presents this condition: A QA engineer runs a nondeterministic UI test hundreds of times, and its flaky results cause developers to ignore all failed pipeline checks. Which testing concept or underlying cause best explains the reported problem?

  1. Automation can improve repeatability and speed but carries maintenance costs and fragility risks.
  2. Flaky automation undermines trust and can conceal genuine product defects.
  3. Automation cannot replace every human observation, creative exploration or contextual evaluation.
  4. Test management tools can support tracking and reporting only when relationships and data are maintained.

Explanation

Correct Answer

B:

The most relevant explanation is: Flaky automation undermines trust and can conceal genuine product defects. This describes why the original situation (A QA engineer runs a nondeterministic UI test hundreds of times, and its flaky results cause developers to ignore all failed pipeline checks.) merits the response: Identify and correct timing, environment and test isolation sources of nondeterminism.

Incorrect Answers

A:

This principle could explain a different testing issue: A startup automates a critical checkout smoke test and enjoys faster feedback, but management assumes the automation now requires no maintenance when payment selectors change. The present case is better explained by: Flaky automation undermines trust and can conceal genuine product defects.

C:

This principle could explain a different testing issue: A software vendor replaces all exploratory manual sessions with scripted automation and later misses a confusing user journey that existing assertions never evaluate. The present case is better explained by: Flaky automation undermines trust and can conceal genuine product defects.

D:

This principle could explain a different testing issue: A QA team uses a test management system to store thousands of cases but cannot connect execution results to requirements, leading to misleading coverage claims. The present case is better explained by: Flaky automation undermines trust and can conceal genuine product defects.

Question 984

A quality engineering exercise presents this condition: A QA engineer runs a nondeterministic UI test hundreds of times, and its flaky results cause developers to ignore all failed pipeline checks. Which repeatable testing practice most directly reduces recurrence of this problem?

  1. Include test code and fixture maintenance in feature change review.
  2. Revisit ROI assumptions using measured maintenance and execution effort.
  3. Monitor false failures and quarantine unstable tests with a repair owner.
  4. Assess permissions, data provenance and privacy controls before tool rollout.

Explanation

Correct Answer

C:

This safeguard specifically targets the contributing cause: Monitor false failures and quarantine unstable tests with a repair owner. It addresses the principle (Flaky automation undermines trust and can conceal genuine product defects.) and can be assessed by: The test reliably detects seeded failures and does not fail under stable expected behavior.

Incorrect Answers

A:

This preventive step mitigates a different project risk (syllabus section 6.2): A startup automates a critical checkout smoke test and enjoys faster feedback, but management assumes the automation now requires no maintenance when payment selectors change. The targeted safeguard for the current case is: Monitor false failures and quarantine unstable tests with a repair owner.

B:

This preventive step mitigates a different project risk (syllabus section 6.2): A team reports ROI from automation solely by counting scripts written, omitting tool licensing, environment cost and ongoing upkeep. The targeted safeguard for the current case is: Monitor false failures and quarantine unstable tests with a repair owner.

D:

This preventive step mitigates a different project risk (syllabus section 6.1): An organization deploys a test-data generator but gives it access to raw production patient records, creating a privacy issue in staging. The targeted safeguard for the current case is: Monitor false failures and quarantine unstable tests with a repair owner.

Question 985

A software testing team encounters the following project situation: A team reports ROI from automation solely by counting scripts written, omitting tool licensing, environment cost and ongoing upkeep. Which testing activity or corrective action best addresses this situation?

  1. Pilot the tool against real environment, integration, skill and cost constraints before full rollout.
  2. Identify and correct timing, environment and test isolation sources of nondeterminism.
  3. Use controlled realistic contract responses and complement mocks with actual integration checks as appropriate.
  4. Evaluate automation value through useful feedback, effort saved, reliability and total ownership cost.

Explanation

Correct Answer

D:

The targeted action is: Evaluate automation value through useful feedback, effort saved, reliability and total ownership cost. It addresses the underlying software-testing principle: The benefits of automation depend on implementation and lifecycle costs, not raw script quantity. The relevant confirming evidence is: The business case compares maintained useful checks with actual operational expense and defect detection.

Incorrect Answers

A:

This choice is a useful response to a different testing situation (section 6.2, Benefits and Risks of Test Automation): 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. The present problem instead depends on: The benefits of automation depend on implementation and lifecycle costs, not raw script quantity.

B:

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: The benefits of automation depend on implementation and lifecycle costs, not raw script quantity.

C:

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: The benefits of automation depend on implementation and lifecycle costs, not raw script quantity.

Question 986

A software testing team encounters the following project situation: A team reports ROI from automation solely by counting scripts written, omitting tool licensing, environment cost and ongoing upkeep. Which observation best verifies that the stated testing issue is addressed?

  1. The smoke suite remains reliable after a selector update and still detects an actual checkout failure.
  2. A user-focused exploratory session finds the confusing workflow while automation guards stable regression behavior.
  3. The tool executes a reviewed set of relevant cases with meaningful expected-result checks.
  4. The business case compares maintained useful checks with actual operational expense and defect detection.

Explanation

Correct Answer

D:

This is the expected verification outcome: The business case compares maintained useful checks with actual operational expense and defect detection. It directly checks the corrective activity (Evaluate automation value through useful feedback, effort saved, reliability and total ownership cost.) for the described testing problem.

Incorrect Answers

A:

This result may validate another testing scenario: A startup automates a critical checkout smoke test and enjoys faster feedback, but management assumes the automation now requires no maintenance when payment selectors change. It does not establish the required result for this case: The business case compares maintained useful checks with actual operational expense and defect detection.

B:

This result may validate another testing scenario: A software vendor replaces all exploratory manual sessions with scripted automation and later misses a confusing user journey that existing assertions never evaluate. It does not establish the required result for this case: The business case compares maintained useful checks with actual operational expense and defect detection.

C:

This result may validate another testing scenario: A product team buys a browser automation platform and assumes it will generate all required test objectives without reviewing specifications or risks. It does not establish the required result for this case: The business case compares maintained useful checks with actual operational expense and defect detection.

Question 987

A software testing team encounters the following project situation: A team reports ROI from automation solely by counting scripts written, omitting tool licensing, environment cost and ongoing upkeep. Which testing concept or underlying cause best explains the reported problem?

  1. Test tool introduction can fail from organizational and technical mismatch despite advertised capabilities.
  2. Automation cannot replace every human observation, creative exploration or contextual evaluation.
  3. Different test tools support different activities and their intended measurement capabilities matter.
  4. The benefits of automation depend on implementation and lifecycle costs, not raw script quantity.

Explanation

Correct Answer

D:

The most relevant explanation is: The benefits of automation depend on implementation and lifecycle costs, not raw script quantity. This describes why the original situation (A team reports ROI from automation solely by counting scripts written, omitting tool licensing, environment cost and ongoing upkeep.) merits the response: Evaluate automation value through useful feedback, effort saved, reliability and total ownership cost.

Incorrect Answers

A:

This principle could explain a different testing issue: 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. The present case is better explained by: The benefits of automation depend on implementation and lifecycle costs, not raw script quantity.

B:

This principle could explain a different testing issue: A software vendor replaces all exploratory manual sessions with scripted automation and later misses a confusing user journey that existing assertions never evaluate. The present case is better explained by: The benefits of automation depend on implementation and lifecycle costs, not raw script quantity.

C:

This principle could explain a different testing issue: A performance engineer uses a unit-test assertion tool for a thousand concurrent sessions, then claims its green status proves realistic load capacity. The present case is better explained by: The benefits of automation depend on implementation and lifecycle costs, not raw script quantity.

Question 988

A software testing team encounters the following project situation: A team reports ROI from automation solely by counting scripts written, omitting tool licensing, environment cost and ongoing upkeep. Which repeatable testing practice most directly reduces recurrence of this problem?

  1. Deliberately allocate activities based on human and tool strengths.
  2. Revisit ROI assumptions using measured maintenance and execution effort.
  3. Perform proof-of-concept evaluation and user training before wide adoption.
  4. Integrate tool data while preserving the meaning of each metric.

Explanation

Correct Answer

B:

This safeguard specifically targets the contributing cause: Revisit ROI assumptions using measured maintenance and execution effort. It addresses the principle (The benefits of automation depend on implementation and lifecycle costs, not raw script quantity.) and can be assessed by: The business case compares maintained useful checks with actual operational expense and defect detection.

Incorrect Answers

A:

This preventive step mitigates a different project risk (syllabus section 6.2): A software vendor replaces all exploratory manual sessions with scripted automation and later misses a confusing user journey that existing assertions never evaluate. The targeted safeguard for the current case is: Revisit ROI assumptions using measured maintenance and execution effort.

C:

This preventive step mitigates a different project risk (syllabus section 6.2): 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. The targeted safeguard for the current case is: Revisit ROI assumptions using measured maintenance and execution effort.

D:

This preventive step mitigates a different project risk (syllabus section 6.1): 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 targeted safeguard for the current case is: Revisit ROI assumptions using measured maintenance and execution effort.

Question 989

During a release-readiness review, a tester observes: A software vendor replaces all exploratory manual sessions with scripted automation and later misses a confusing user journey that existing assertions never evaluate. Which testing activity or corrective action best addresses this situation?

  1. Identify and correct timing, environment and test isolation sources of nondeterminism.
  2. Budget for script updates and monitor failures caused by product interface changes.
  3. Retain complementary human exploration and usability judgment alongside appropriate automated checks.
  4. Establish test objectives and select appropriate tooling as support for the agreed test process.

Explanation

Correct Answer

C:

The targeted action is: Retain complementary human exploration and usability judgment alongside appropriate automated checks. It addresses the underlying software-testing principle: Automation cannot replace every human observation, creative exploration or contextual evaluation. The relevant confirming evidence is: A user-focused exploratory session finds the confusing workflow while automation guards stable regression behavior.

Incorrect Answers

A:

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: Automation cannot replace every human observation, creative exploration or contextual evaluation.

B:

This choice is a useful response to a different testing situation (section 6.2, Benefits and Risks of Test Automation): A startup automates a critical checkout smoke test and enjoys faster feedback, but management assumes the automation now requires no maintenance when payment selectors change. The present problem instead depends on: Automation cannot replace every human observation, creative exploration or contextual evaluation.

D:

This choice is a useful response to a different testing situation (section 6.1, Tool Support for Testing): A product team buys a browser automation platform and assumes it will generate all required test objectives without reviewing specifications or risks. The present problem instead depends on: Automation cannot replace every human observation, creative exploration or contextual evaluation.

Question 990

During a release-readiness review, a tester observes: A software vendor replaces all exploratory manual sessions with scripted automation and later misses a confusing user journey that existing assertions never evaluate. Which observation best verifies that the stated testing issue is addressed?

  1. A user-focused exploratory session finds the confusing workflow while automation guards stable regression behavior.
  2. The test reliably detects seeded failures and does not fail under stable expected behavior.
  3. The smoke suite remains reliable after a selector update and still detects an actual checkout failure.
  4. A known false positive is documented without suppressing legitimate vulnerability alerts.

Explanation

Correct Answer

A:

This is the expected verification outcome: A user-focused exploratory session finds the confusing workflow while automation guards stable regression behavior. It directly checks the corrective activity (Retain complementary human exploration and usability judgment alongside appropriate automated checks.) for the described testing problem.

Incorrect Answers

B:

This result may validate another testing scenario: A QA engineer runs a nondeterministic UI test hundreds of times, and its flaky results cause developers to ignore all failed pipeline checks. It does not establish the required result for this case: A user-focused exploratory session finds the confusing workflow while automation guards stable regression behavior.

C:

This result may validate another testing scenario: A startup automates a critical checkout smoke test and enjoys faster feedback, but management assumes the automation now requires no maintenance when payment selectors change. It does not establish the required result for this case: A user-focused exploratory session finds the confusing workflow while automation guards stable regression behavior.

D:

This result may validate another testing scenario: A static-analysis dashboard reports a known false-positive security warning, but the team deletes all analyzer output and abandons code reviews. It does not establish the required result for this case: A user-focused exploratory session finds the confusing workflow while automation guards stable regression behavior.