The fact that defects are usually not evenly distributed among the various modules that make up a software application, but rather their distribution tend to reflect the Pareto principle:
Correct Answer: C
The fact that defects are usually not evenly distributed among the various modules that make up a software application, but rather their distribution tend to reflect the Pareto principle, is expressed by the testing principle referred to as 'Defects cluster together'. This principle states that a small number of modules contain most of the defects detected, or that a small number of causes are responsible for most of the defects. This principle can be used to guide the test analysis and design activities, by prioritizing the testing of the most critical or risky modules, or by applying more rigorous test techniques to them. Therefore, option C is the correct answer. References: ISTQB Certified Tester Foundation Level Syllabus v4.01, Section 1.2.1, page 11; ISTQB Glossary v4.02, page 16.
Question 27
Who of the following has the best knowledge to decide what tests in a test project should be automated?
Correct Answer: D
The test leader is the person who is responsible for planning, monitoring, and controlling the test activities and resources in a test project. The test leader should have the best knowledge of the test objectives, scope, risks, resources, schedule, and quality criteria. The test leader should also be aware of the test automation criteria, such as the execution frequency, the test support, the team education, the roles and responsibilities, and the devs and testers collaboration1. Based on these factors, the test leader can decide which tests are suitable for automation and which are not, and prioritize them accordingly. The test leader can also coordinate with the test automation engineers, the developers, and the stakeholders to ensure the alignment of the test automation strategy with the test project goals and expectations. Reference = ISTQB Certified Tester Foundation Level (CTFL) v4.0 Syllabus, Chapter 2, Section 2.3.1, Page 152; ISTQB Glossary of Testing Terms v4.0, Page 403; ISTQB Certified Tester Foundation Level (CTFL) v4.0 Syllabus, Chapter 6, Section 6.1.1, Page 514; Top 8 Test Automation Criteria You Need To Fulfill - QAMIND1
Question 28
Which ONE of the following tools would be MOST SUITABLE for facilitating thecreation of test cases, test data, and test procedures?
Correct Answer: A
The correct tool forcreating test cases, test data, and test proceduresis atest design and implementation tool (A). * (B) is incorrectas static testing tools focus oncode analysis, not test case creation. * (C) is incorrectbecause DevOps tools manageautomation pipelines, not test design. * (D) is incorrectbecause test execution tools focus onrunning tests rather than designing them. Test design tools helpoptimize test coverage, reduce redundancy, and improve efficiency.
Question 29
An alphanumeric password must be between 4 and 7 characters long and must contain at least one numeric character, one capital (uppercase) letter and one lowercase letter of the alphabet. Which one of the following sets of test cases represents the correct outcome of a two-value boundary value analysis applied to the password length? (Note: test cases are separated by a semicolon)
Correct Answer: D
The correct outcome of a two-value boundary value analysis applied to the password length is the set of test cases represented by option D. Boundary value analysis is a test design technique that focuses on the values at the boundaries of an equivalence partition, such as the minimum and maximum values, or the values just above and below the boundaries. A two-value boundary value analysis uses two values for each boundary, one representing the valid value and one representing the invalid value. For example, if the valid range of values is from 4 to 7, then the two values for the lower boundary are 3 and 4, and the two values for the upper boundary are 7 and 8. The test cases in option D use these values for the password length, while also satisfying the other requirements of the password, such as containing at least one numeric character, one capital letter, and one lowercase letter. The test cases in option D are: 1RhT: a 4-character password that is valid rSp53: a 5-character password that is valid 3N3e10: a 6-character password that is valid 8sBdby: an 8-character password that is invalid The test cases in the other options are incorrect, because they either use values that are not at the boundaries of the password length, or they do not meet the other requirements of the password. For example, the test cases in option A are: 1xA: a 3-character password that is invalid, but it does not contain a capital letter aB11: a 4-character password that is valid Pq1ZZab: a 7-character password that is valid 7iDD0a1x: an 8-character password that is invalid Reference: ISTQB Certified Tester Foundation Level (CTFL) v4.0 sources and documents: ISTQB® Certified Tester Foundation Level Syllabus v4.0, Chapter 2.2.1, Black-box Test Design Techniques1 ISTQB® Glossary of Testing Terms v4.0, Boundary Value Analysis, Equivalence Partition2
Question 30
For each of the test cases to be executed, the following table specifies the priority order and dependencies on other test cases Which of the following test execution schedules is compatible with the logical dependencies and allows executing the test cases in priority order?
Correct Answer: D
This answer is correct because it follows the logical dependencies and allows executing the test cases in priority order. TC4, TC3, and TC2 are executed first because they have the highest priority. TC6 is executed next because it has a logical dependency on TC2. TC1 is executed next because it has a logical dependency on TC5. Finally, TC5 is executed last because it has the lowest priority. Reference: ISTQB Certified Tester Foundation Level (CTFL) v4.0 documents