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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 17

Question 160

In a fictional application-delivery project, the team reports: A team reports 90% coverage by counting its automated scripts but cannot relate the count to requirements, risks or code structure. Which repeatable testing practice most directly reduces recurrence of this problem?

  1. Use an agreed process map and review actual handoffs in retrospectives.
  2. Require bidirectional links for high-impact requirements and their tests.
  3. Distinguish test execution, fault reporting, debugging, and confirmation testing in the team's handoff checklist.
  4. State the coverage criterion and denominator in release dashboards.

Explanation

Correct Answer

D:

This safeguard specifically targets the contributing cause: State the coverage criterion and denominator in release dashboards. It addresses the principle (Coverage is a proportion of identified items exercised, not simply a total number of scripts.) and can be assessed by: The report states which named requirements or branches are covered and which are not.

Incorrect Answers

A:

This preventive step mitigates a different project risk (syllabus section 1.4): A team calls a requirement review, test-data creation, test-run analysis and defect reporting one activity named 'execution', confusing ownership and planning. The targeted safeguard for the current case is: State the coverage criterion and denominator in release dashboards.

B:

This preventive step mitigates a different project risk (syllabus section 1.4): A team executes a price-change test but cannot tell which requirement or risk the test covers, so auditors cannot verify why it exists. The targeted safeguard for the current case is: State the coverage criterion and denominator in release dashboards.

C:

This preventive step mitigates a different project risk (syllabus section 1.1): A billing team treats checking an invoice against its written pricing rules as debugging, and asks testers to locate the faulty line of code before reporting any mismatch. The targeted safeguard for the current case is: State the coverage criterion and denominator in release dashboards.

Question 161

A tester is asked to evaluate the following situation: A tester receives a new feature after a sprint begins but continues executing only tests from the previous backlog without updating the intended scope. Which testing activity or corrective action best addresses this situation?

  1. Review the changed test basis and perform impact analysis to select needed updates and execution.
  2. Define the relevant coverage items and measure what portion was exercised by tests.
  3. Verify intended conditions and expected results actually executed, not merely that a runner exited successfully.
  4. Separate identification and reporting of a defect from the developer's correction and subsequent retest.

Explanation

Correct Answer

A:

The targeted action is: Review the changed test basis and perform impact analysis to select needed updates and execution. It addresses the underlying software-testing principle: Test activities are iterative and must be adapted as product understanding and scope change. The relevant confirming evidence is: Traceability shows new feature conditions and the cases added or updated for them.

Incorrect Answers

B:

This choice is a useful response to a different testing situation (section 1.4, Test Activities, Testware and Test Roles): A team reports 90% coverage by counting its automated scripts but cannot relate the count to requirements, risks or code structure. The present problem instead depends on: Test activities are iterative and must be adapted as product understanding and scope change.

C:

This choice is a useful response to a different testing situation (section 1.4, Test Activities, Testware and Test Roles): An engineer records all tests as passed because the execution script returned exit code zero, although assertions were skipped in one module. The present problem instead depends on: Test activities are iterative and must be adapted as product understanding and scope change.

D:

This choice is a useful response to a different testing situation (section 1.1, What is Testing?): A mobile banking tester documents a wrong transfer confirmation message but the project manager counts the ticket itself as a completed correction. The present problem instead depends on: Test activities are iterative and must be adapted as product understanding and scope change.

Question 162

A tester is asked to evaluate the following situation: A tester receives a new feature after a sprint begins but continues executing only tests from the previous backlog without updating the intended scope. Which observation best verifies that the stated testing issue is addressed?

  1. Traceability shows new feature conditions and the cases added or updated for them.
  2. Temporary accounts are disabled and reusable artifacts plus summary results are stored in their approved locations.
  3. The report states which named requirements or branches are covered and which are not.
  4. A reproduction with the comma locale isolates the conversion and formatting fault.

Explanation

Correct Answer

A:

This is the expected verification outcome: Traceability shows new feature conditions and the cases added or updated for them. It directly checks the corrective activity (Review the changed test basis and perform impact analysis to select needed updates and execution.) for the described testing problem.

Incorrect Answers

B:

This result may validate another testing scenario: An acceptance team finishes its cases but leaves temporary data and test accounts active while declaring all test completion tasks done. It does not establish the required result for this case: Traceability shows new feature conditions and the cases added or updated for them.

C:

This result may validate another testing scenario: A team reports 90% coverage by counting its automated scripts but cannot relate the count to requirements, risks or code structure. It does not establish the required result for this case: Traceability shows new feature conditions and the cases added or updated for them.

D:

This result may validate another testing scenario: An airport kiosk gives wrong currency conversions only when a decimal separator uses a comma, yet defect analysis stops at the rounding function. It does not establish the required result for this case: Traceability shows new feature conditions and the cases added or updated for them.

Question 163

A tester is asked to evaluate the following situation: A tester receives a new feature after a sprint begins but continues executing only tests from the previous backlog without updating the intended scope. Which testing concept or underlying cause best explains the reported problem?

  1. Test activities are iterative and must be adapted as product understanding and scope change.
  2. A test execution result is meaningful only when the designed checks were performed against the expected behavior.
  3. Effective defect communication is a distinct testing activity that turns observations into actionable investigation.
  4. Exhaustive testing is generally impractical outside small, tightly bounded input domains.

Explanation

Correct Answer

A:

The most relevant explanation is: Test activities are iterative and must be adapted as product understanding and scope change. This describes why the original situation (A tester receives a new feature after a sprint begins but continues executing only tests from the previous backlog without updating the intended scope.) merits the response: Review the changed test basis and perform impact analysis to select needed updates and execution.

Incorrect Answers

B:

This principle could explain a different testing issue: An engineer records all tests as passed because the execution script returned exit code zero, although assertions were skipped in one module. The present case is better explained by: Test activities are iterative and must be adapted as product understanding and scope change.

C:

This principle could explain a different testing issue: A tester spots wrong stock quantities but sends only a screenshot without reproduction steps or release version. The present case is better explained by: Test activities are iterative and must be adapted as product understanding and scope change.

D:

This principle could explain a different testing issue: A travel-site team executes every conceivable destination, browser, payment, and language combination in its test plan despite an impossible schedule. The present case is better explained by: Test activities are iterative and must be adapted as product understanding and scope change.

Question 164

A tester is asked to evaluate the following situation: A tester receives a new feature after a sprint begins but continues executing only tests from the previous backlog without updating the intended scope. Which repeatable testing practice most directly reduces recurrence of this problem?

  1. Use a structured issue template with environment and traceable evidence fields.
  2. Set explicit backlog-to-test impact checks on change acceptance.
  3. Maintain practical readiness criteria for test runs.
  4. Include a reviewed expected-result field in the test case design standard.

Explanation

Correct Answer

B:

This safeguard specifically targets the contributing cause: Set explicit backlog-to-test impact checks on change acceptance. It addresses the principle (Test activities are iterative and must be adapted as product understanding and scope change.) and can be assessed by: Traceability shows new feature conditions and the cases added or updated for them.

Incorrect Answers

A:

This preventive step mitigates a different project risk (syllabus section 1.4): A tester spots wrong stock quantities but sends only a screenshot without reproduction steps or release version. The targeted safeguard for the current case is: Set explicit backlog-to-test impact checks on change acceptance.

C:

This preventive step mitigates a different project risk (syllabus section 1.4): A release manager orders test execution before the shared environment, data and access rights exist and then treats every infrastructure failure as a product defect. The targeted safeguard for the current case is: Set explicit backlog-to-test impact checks on change acceptance.

D:

This preventive step mitigates a different project risk (syllabus section 1.1): A delivery-app tester executes scripted checks but does not record the expected result for a promotional fee calculation, so a different fee is accepted as correct. The targeted safeguard for the current case is: Set explicit backlog-to-test impact checks on change acceptance.

Question 165

A quality engineering exercise presents this condition: A team calls a requirement review, test-data creation, test-run analysis and defect reporting one activity named 'execution', confusing ownership and planning. Which testing activity or corrective action best addresses this situation?

  1. Link the test condition and case to its source requirement and related risk.
  2. Distinguish test planning, monitoring, analysis, design, implementation, execution and completion work.
  3. Estimate and schedule test activities using scope, objectives, constraints and risk priorities.
  4. Prioritize representative combinations and high-risk cases rather than promising exhaustive input coverage.

Explanation

Correct Answer

B:

The targeted action is: Distinguish test planning, monitoring, analysis, design, implementation, execution and completion work. It addresses the underlying software-testing principle: The test process contains related but distinct activities with feedback loops and context-dependent ordering. The relevant confirming evidence is: Each activity has accountable outputs and useful handoff criteria for the team.

Incorrect Answers

A:

This choice is a useful response to a different testing situation (section 1.4, Test Activities, Testware and Test Roles): A team executes a price-change test but cannot tell which requirement or risk the test covers, so auditors cannot verify why it exists. The present problem instead depends on: The test process contains related but distinct activities with feedback loops and context-dependent ordering.

C:

This choice is a useful response to a different testing situation (section 1.4, Test Activities, Testware and Test Roles): A company plans regression testing solely by the number of developers available and ignores the release deadline and business risk. The present problem instead depends on: The test process contains related but distinct activities with feedback loops and context-dependent ordering.

D:

This choice is a useful response to a different testing situation (section 1.3, Testing Principles): A travel-site team executes every conceivable destination, browser, payment, and language combination in its test plan despite an impossible schedule. The present problem instead depends on: The test process contains related but distinct activities with feedback loops and context-dependent ordering.

Question 166

A quality engineering exercise presents this condition: A team calls a requirement review, test-data creation, test-run analysis and defect reporting one activity named 'execution', confusing ownership and planning. Which observation best verifies that the stated testing issue is addressed?

  1. Traceability shows new feature conditions and the cases added or updated for them.
  2. The report traces the failed case to the affected price rule and impacted business obligation.
  3. Each activity has accountable outputs and useful handoff criteria for the team.
  4. The test record identifies the incorrect total and reproducing input, while developer debugging is handled separately.

Explanation

Correct Answer

C:

This is the expected verification outcome: Each activity has accountable outputs and useful handoff criteria for the team. It directly checks the corrective activity (Distinguish test planning, monitoring, analysis, design, implementation, execution and completion work.) for the described testing problem.

Incorrect Answers

A:

This result may validate another testing scenario: A tester receives a new feature after a sprint begins but continues executing only tests from the previous backlog without updating the intended scope. It does not establish the required result for this case: Each activity has accountable outputs and useful handoff criteria for the team.

B:

This result may validate another testing scenario: A team executes a price-change test but cannot tell which requirement or risk the test covers, so auditors cannot verify why it exists. It does not establish the required result for this case: Each activity has accountable outputs and useful handoff criteria for the team.

D:

This result may validate another testing scenario: A billing team treats checking an invoice against its written pricing rules as debugging, and asks testers to locate the faulty line of code before reporting any mismatch. It does not establish the required result for this case: Each activity has accountable outputs and useful handoff criteria for the team.

Question 167

A quality engineering exercise presents this condition: A team calls a requirement review, test-data creation, test-run analysis and defect reporting one activity named 'execution', confusing ownership and planning. Which testing concept or underlying cause best explains the reported problem?

  1. Static testing and test analysis can identify defects in work products without executable software.
  2. Test planning establishes objectives, resources, approach and timing instead of relying on headcount alone.
  3. Testing can expose defects but cannot demonstrate their universal absence across all circumstances.
  4. The test process contains related but distinct activities with feedback loops and context-dependent ordering.

Explanation

Correct Answer

D:

The most relevant explanation is: The test process contains related but distinct activities with feedback loops and context-dependent ordering. This describes why the original situation (A team calls a requirement review, test-data creation, test-run analysis and defect reporting one activity named 'execution', confusing ownership and planning.) merits the response: Distinguish test planning, monitoring, analysis, design, implementation, execution and completion work.

Incorrect Answers

A:

This principle could explain a different testing issue: A test analyst discovers a missing cancellation condition in a requirement but remains silent because code has not been written and there is no failing executable test. The present case is better explained by: The test process contains related but distinct activities with feedback loops and context-dependent ordering.

B:

This principle could explain a different testing issue: A company plans regression testing solely by the number of developers available and ignores the release deadline and business risk. The present case is better explained by: The test process contains related but distinct activities with feedback loops and context-dependent ordering.

C:

This principle could explain a different testing issue: A network management tool is checked against all known requirements but the team interprets passing tests as mathematical proof that no vulnerabilities exist. The present case is better explained by: The test process contains related but distinct activities with feedback loops and context-dependent ordering.

Question 168

A quality engineering exercise presents this condition: A team calls a requirement review, test-data creation, test-run analysis and defect reporting one activity named 'execution', confusing ownership and planning. Which repeatable testing practice most directly reduces recurrence of this problem?

  1. Monitor skipped assertions and test-procedure completeness in reports.
  2. Use an agreed process map and review actual handoffs in retrospectives.
  3. Maintain practical readiness criteria for test runs.
  4. Review environmental operating conditions as explicit test-basis inputs.

Explanation

Correct Answer

B:

This safeguard specifically targets the contributing cause: Use an agreed process map and review actual handoffs in retrospectives. It addresses the principle (The test process contains related but distinct activities with feedback loops and context-dependent ordering.) and can be assessed by: Each activity has accountable outputs and useful handoff criteria for the team.

Incorrect Answers

A:

This preventive step mitigates a different project risk (syllabus section 1.4): An engineer records all tests as passed because the execution script returned exit code zero, although assertions were skipped in one module. The targeted safeguard for the current case is: Use an agreed process map and review actual handoffs in retrospectives.

C:

This preventive step mitigates a different project risk (syllabus section 1.4): A release manager orders test execution before the shared environment, data and access rights exist and then treats every infrastructure failure as a product defect. The targeted safeguard for the current case is: Use an agreed process map and review actual handoffs in retrospectives.

D:

This preventive step mitigates a different project risk (syllabus section 1.2): An IoT sensor passes laboratory checks but overheats when installed inside a sealed industrial enclosure, and the team calls that proof lab testing was worthless. The targeted safeguard for the current case is: Use an agreed process map and review actual handoffs in retrospectives.

Question 169

A software testing team encounters the following project situation: An exploratory tester discovers a serious accessibility issue but a product owner dismisses the finding because no detailed scripted test case existed first. Which testing activity or corrective action best addresses this situation?

  1. Use a whole-team approach where all disciplines support quality and appropriate test activities.
  2. Reproduce and document the observation using clear expected behavior and accessible user impact.
  3. Create timely collaborative triage and feedback channels without losing objective test judgment.
  4. Identify what is intentionally checked against an expectation and distinguish that from passive operational monitoring.

Explanation

Correct Answer

B:

The targeted action is: Reproduce and document the observation using clear expected behavior and accessible user impact. It addresses the underlying software-testing principle: Exploratory testing uses skill and observation to learn, design and execute tests dynamically. The relevant confirming evidence is: The keyboard navigation fault is independently confirmed and logged with relevant conditions.

Incorrect Answers

A:

This choice is a useful response to a different testing situation (section 1.5, Essential Skills and Good Practices in Testing): A cross-functional product team assigns testers sole responsibility for quality while developers ignore code-level checks and analysts accept ambiguous requirements. The present problem instead depends on: Exploratory testing uses skill and observation to learn, design and execute tests dynamically.

C:

This choice is a useful response to a different testing situation (section 1.5, Essential Skills and Good Practices in Testing): A highly independent external test group has no access to developers for two weeks, so straightforward failures persist despite excellent defect reports. The present problem instead depends on: Exploratory testing uses skill and observation to learn, design and execute tests dynamically.

D:

This choice is a useful response to a different testing situation (section 1.1, What is Testing?): A streaming provider considers all monitoring alerts to be test cases, although the alerts only collect production symptoms after deployment. The present problem instead depends on: Exploratory testing uses skill and observation to learn, design and execute tests dynamically.

Question 170

A software testing team encounters the following project situation: An exploratory tester discovers a serious accessibility issue but a product owner dismisses the finding because no detailed scripted test case existed first. Which observation best verifies that the stated testing issue is addressed?

  1. The keyboard navigation fault is independently confirmed and logged with relevant conditions.
  2. The team agrees on the observed failure and a corrective path without personal blame.
  3. A follow-up case demonstrates the unexpected behavior and identifies its business impact.
  4. The defect has a confirmed fix and a passing repeat of the initially failing case.

Explanation

Correct Answer

A:

This is the expected verification outcome: The keyboard navigation fault is independently confirmed and logged with relevant conditions. It directly checks the corrective activity (Reproduce and document the observation using clear expected behavior and accessible user impact.) for the described testing problem.

Incorrect Answers

B:

This result may validate another testing scenario: A tester confronts a developer aggressively over a defect and the ensuing dispute delays a fix for a critical shipment. It does not establish the required result for this case: The keyboard navigation fault is independently confirmed and logged with relevant conditions.

C:

This result may validate another testing scenario: A junior tester mechanically executes a checklist even after seeing a new failure pattern that the steps do not cover. It does not establish the required result for this case: The keyboard navigation fault is independently confirmed and logged with relevant conditions.

D:

This result may validate another testing scenario: A mobile banking tester documents a wrong transfer confirmation message but the project manager counts the ticket itself as a completed correction. It does not establish the required result for this case: The keyboard navigation fault is independently confirmed and logged with relevant conditions.