Free ISTQB® Certified Tester Advanced Level – Test Analyst Practice Questions

Sample Practice Questions

Try these 10 sample questions from the ISTQB® Certified Tester Advanced Level – Test Analyst practice bank. Each includes the answer and explanation. Continue with the interactive practice above to review the full question set.

1. 1Why can test analysis begin before coding in a sequential lifecycle?

   1. A. It uses the emerging test basis to identify test conditions.
   2. B. It requires executable components before identifying test conditions.
   3. C. It replaces software design with executable test procedures.
   4. D. It evaluates actual results collected from completed system tests.

   Answer: A

   Explanation: The syllabus states: "The TA begins test analysis when the test basis is being produced." Analysis can therefore use requirements before code is available.

   Reference: ISTQB Certified Tester Advanced Level Syllabus – Test Analyst v4.0 — Section 1.1, p.14

2. 2How can stakeholder interviews improve the test analyst's contribution to risk identification?

   1. A. They let the analyst replace stakeholder concerns with previously assigned severity labels.
   2. B. They make risk assessment unnecessary once enough interviews have been conducted.
   3. C. They establish the execution order before any product risks have been evaluated.
   4. D. They reveal significant risks as perceived from different stakeholder perspectives.

   Answer: D

   Explanation: The syllabus says interviews help the TA "better understand what they consider to be the most significant risks from their perspective." Stakeholder perspectives inform identification; they do not replace assessment.

   Reference: ISTQB Certified Tester Advanced Level Syllabus – Test Analyst v4.0 — Section 2.1, p.25, risk identification

3. 3A domain partition is x > 20, with integer precision. Which value is an ON point for that open border?

   1. A. 19
   2. B. 20
   3. C. 22
   4. D. 21

   Answer: D

   Explanation: For an open border, the syllabus says an ON point "lies inside the equivalence partition and is closest to the border according to the given precision." The closest integer inside x > 20 is 21; 20 is excluded and 22 is farther inside.

   Reference: ISTQB Certified Tester Advanced Level Syllabus – Test Analyst v4.0 — Section 3.1.1, p.29, ON point

4. 4A team checks whether every requested reporting task has an implemented function. Which aspect of functional suitability is it primarily evaluating?

   1. A. Correctness of numerical results produced by existing functions
   2. B. Appropriateness of existing functions for users' work
   3. C. Completeness of the implemented functionality against specified tasks
   4. D. Interaction capability when users operate the functions

   Answer: C

   Explanation: For functional completeness, the syllabus says: "The key question is whether everything that is asked for is implemented." This concerns missing functionality rather than accuracy of existing results or ease of interaction.

   Reference: ISTQB Certified Tester Advanced Level Syllabus – Test Analyst v4.0 — Section 4.1, p.44, Functional completeness

5. 5A retrospective finds that unstable test environments caused both false alarms and missed failures. How can the test analyst use this finding to support defect prevention?

   1. A. Treat all previous test outcomes as reliable because execution is complete.
   2. B. Improve environment reliability to reduce misleading results and defect escape.
   3. C. Measure prevention solely by the total number of test executions performed.
   4. D. Classify environment failures as product defects to increase detection counts.

   Answer: B

   Explanation: The syllabus includes "improving test data and test environments to reduce both false-positive results and false-negative results" as a retrospective improvement. Reducing misleading results helps prevent defects escaping.

   Reference: ISTQB Certified Tester Advanced Level Syllabus – Test Analyst v4.0 — Section 5.1, p.49, retrospectives

6. 6What additional responsibility becomes important as independently developed increments are added to a product?

   1. A. Replacing regression suites with tests of the newest feature
   2. B. Refactoring and assembling regression suites as the product grows
   3. C. Deferring analysis of each increment until final system assembly
   4. D. Repeating acceptance testing while leaving regression suites fixed

   Answer: B

   Explanation: The syllabus requires "particular attention to the refactoring and the assembly of regression test suites." Adding increments increases regression risk, so the suites need deliberate maintenance.

   Reference: ISTQB Certified Tester Advanced Level Syllabus – Test Analyst v4.0 — Section 1.1, p.14

7. 7Why should risk assessment consider business criticality and potential financial or reputational damage alongside frequency of use?

   1. A. Rarely used features have no meaningful product risk once usage is measured.
   2. B. Use frequency alone does not capture the consequences of a feature failing.
   3. C. Financial damage determines the test technique independently of the affected feature.
   4. D. Business criticality replaces consideration of requirements quality and safety needs.

   Answer: B

   Explanation: The syllabus includes "frequency of use and criticality of the affected features" together with business objectives and potential damage. Assessment needs both use-related information and consequences, rather than usage frequency alone.

   Reference: ISTQB Certified Tester Advanced Level Syllabus – Test Analyst v4.0 — Section 2.1, p.25, risk assessment factors

8. 8For the partition temperature ≤ 8.0, values have precision 0.1. Which is the OFF point at the upper border?

   1. A. 8.1
   2. B. 8.0
   3. C. 7.9
   4. D. 8.2

   Answer: A

   Explanation: For a closed border, an OFF point "lies outside the equivalence partition and is closest to the border according to the given precision." The nearest excluded value above 8.0 is 8.1.

   Reference: ISTQB Certified Tester Advanced Level Syllabus – Test Analyst v4.0 — Section 3.1.1, p.29, OFF point

9. 9A tax feature exists and supports the intended user task, but some valid and invalid inputs produce inaccurate results. Which aspect of functional suitability is directly in question?

   1. A. Functional correctness of the results
   2. B. Functional completeness of the feature set
   3. C. Functional appropriateness for the user's goal
   4. D. Installability in the supported environments

   Answer: A

   Explanation: The syllabus says functional correctness asks whether "the actual results are correct" for valid and invalid inputs. The feature's presence and task relevance do not establish result accuracy.

   Reference: ISTQB Certified Tester Advanced Level Syllabus – Test Analyst v4.0 — Section 4.1, p.44, Functional correctness

10. 10A project reports high defect removal efficiency. Why does this metric alone fail to demonstrate that defect prevention, rather than later detection, improved?

    1. A. DRE includes only defects that were discovered after release.
    2. B. DRE measures test execution speed rather than removal of defects.
    3. C. DRE counts only defects that escaped the phase of introduction.
    4. D. DRE does not distinguish defects caught through prevention from detection.

    Answer: D

    Explanation: The syllabus explicitly states: "However, DRE does not distinguish between defects caught through prevention and detection." A high value alone cannot attribute improvement to prevention.

    Reference: ISTQB Certified Tester Advanced Level Syllabus – Test Analyst v4.0 — Section 5.1, p.49, DRE limitation