Free ISTQB-CTFL Exam Dumps Preview

In defect reporting, the attribute that indicates the degree of impact that the defect has on the system is the severity. Severity reflects the seriousness of the defect in terms of its impact on the operation of the system, ranging from minor issues that do not significantly affect the system's functionality to critical defects that can cause system failure. Therefore, option B is the correct answer.

A test oracle is a mechanism or principle that can be used to determine whether the observed behavior or output of a system under test is correct or not 1. A test oracle can be based on various sources of expected results, such as specifications, user expectations, previous versions, comparable systems, etc 2.
References:
ISTQB Certified Tester Foundation Level (CTFL) v4.0 Syllabus, Section 1.2.1, Page 91
ISTQB Glossary of
Testing Terms, Version 4.0, Page 332.

Statement D is correct. According to the ISTQB CTFL syllabus, both black-box test techniques (which focus on testing without internal knowledge of the application) and experience-based test techniques (which rely on testers' experience and intuition) can be applied to both functional and non-functional testing. Functional testing is concerned with what the system does, whereas non-functional testing looks at how the system performs under certain conditions. These techniques are versatile and can be employed to address both these aspects.

Traceability primarily refers to the ability to link test cases back to their sources in the test basis, such as requirements or design documents. This linkage allows for the determination of coverage, impact analysis, and maintaining consistency across test documentation. However, traceability does not directly enable the application of experience-based test techniques, which are more about using the tester's intuition and experience. The ISTQB CTFL Syllabus v4.0 does not state that traceability enables experience-based techniques, making option B the false statement.

Test planning defines scope, strategy, and resource estimation.

Acceptance Test-Driven Development (ATDD) tests focus on verifying whether the system meets the specified acceptance criteria.
The most critical path to test first would be the scenario where everything is done correctly (happy path), ensuring the basic functionality works as expected.
The new user provides all valid data.
This ensures the registration form works and the user receives a confirmation email.
This test covers the basic functionality and will help verify that the primary use case is handled correctly before testing invalid or edge cases.

References:
ISTQB CTFL Syllabus V4.0, Chapter 4.5.3, Acceptance Test-Driven Development (ATDD).

According to the ISTQB Certified Tester Foundation Level (CTFL) v4.0, the life cycle of a defect typically follows a sequence from its discovery to its closure. In the provided figure, it starts with S0 (New), moves to S1 (Assigned), then to S2 (Resolved), followed by S3 (Verified). If the defect is not fixed, it can be Re-opened (S5) and goes back for verification (S3). Once verified, it is Closed (S4).
References:
ISTQB
Certified Tester Foundation Level (CTFL) v4.0 Syllabus, Section 1.4.3, Page 17.

Comprehensive and Detailed In-Depth Explanation:

During iteration planning, testers provide input on risk analysis, testability, and the feasibility of test automation. Participating in risk analysis (B) helps identify areas needing more extensive testing. (A) is incorrect because the test strategy is usually set at a higher level (project or release level). (C) is incorrect as release planning is broader than iteration planning. (D) is incorrect since writing user stories is mainly the responsibility of the product owner , though testers contribute to defining acceptance criteria.
Risk-based test prioritization ensures testing efforts are aligned with business needs and software risks.

References:
ISTQB CTFL v4.0 Syllabus, Section 5.2.3 ?Risk-Based Testing

Test completion confirms objectives met and archives all test artifacts.

A typical product risk involves issues directly related to the software product's functionality, performance, usability, reliability, etc. Option A, "Poor usability of the software," directly impacts the end-user's interaction with the software and is a quality attribute of the product itself, making it a product risk. Options
B, "A problem in the code developed by a 3rd party," C, "Low quality of the configuration data, test data and tests," and D, "Problem in defining the right requirements," can be considered either product or project risks depending on the context, but option A is the most directly associated with a typical product risk concerning the quality and usability of the software.

A defect is a flaw in a component or system that can cause the component or system to fail to perform its required function. A defect can cause harm to the end customer, the company, or both, depending on the impact and severity of the failure. In this case, the defect in the code causes the system to lock down accounts that have an overdraft higher than $1000, instead of $10,000. This can cause harm to the end customer, as they may lose access to their funds and face inconvenience or financial difficulties. This can also cause harm to the company, as they may lose customer trust and satisfaction, face legal issues or complaints, or incur additional costs for fixing the defect and restoring the accounts.
References:
[A Study Guide to the ISTQB Foundation Level 2018 Syllabus - Springer], Chapter 1, page 3-4.

This answer is correct because a walkthrough is a type of review where the author of the work product leads the review process and explains the work product to the reviewers. The reviewers are not required to prepare for the review in advance, and the main objective of the walkthrough is to establish a common understanding of the work product and to identify any major defects or issues. A walkthrough is usually informal and does not follow a defined process or roles. In this case, the review for a high-level architectural document written by a software architect matches the characteristics of a walkthrough.
References:
ISTQB Glossary of Testing Terms v4.0, ISTQB Foundation Level Syllabus v4.0, Section
2.4.2.2

Test implementation involves finalizing the test procedures, including the order of execution of test cases based on their dependencies, preconditions, and postconditions. This phase ensures that all necessary test scripts, test data, and test environments are ready for execution. According to the ISTQB CTFL Syllabus v4.0, test implementation is the phase where detailed test procedures are derived and documented, making it a critical step before actual test execution.

Comprehensive and Detailed In-Depth Explanation:

The whole-team approach promotes collaboration among stakeholders (business representatives, developers, and testers) to ensure better quality and project success (A). This approach allows for early identification of issues, enhances shared responsibility, and improves software quality. Option C is a valid but indirect benefit, while options B and D do not directly describe the core advantage of the whole-team approach.

References:
ISTQB CTFL v4.0 Syllabus, Section 1.5.2 ?The Whole-Team Approach

Experience-based test techniques are test design techniques that rely on the experience, knowledge, intuition, and creativity of the testers to identify and execute test cases that are likely to find defects in the software system. Experience-based test techniques are often useful to detect hidden defects that have not been targeted by black-box test techniques, which are test design techniques that use the external behavior and specifications of the software system as the test basis, without considering its internal structure or implementation. Experience-based test techniques can complement black-box test techniques by covering aspects that are not explicitly specified, such as usability, security, reliability, performance, etc.
The other statements are false, because: Experience-based test techniques do not rely on the experience of testers to identify the root causes of defects found by black-box test techniques, but rather to identify the potential sources of defects based on their own insights, heuristics, or exploratory testing. The root causes of defects are usually identified by debugging or root cause analysis, which are activities that involve examining the code or the development process to find and fix the errors that led to the defects. Some of the most common test basis used by white-box test techniques include the source code, the design documents, the architecture diagrams, and the control flow graphs of the software system. White-box test techniques are test design techniques that use the internal structure and implementation of the software system as the test basis, and aim to achieve a certain level of test coverage based on the code elements, such as statements, branches, paths, etc.
User stories, use cases, and business processes are examples of test basis used by black-box test techniques, as they describe the functional and non-functional requirements of the software system from the perspective of the users or the stakeholders. The primary goal of experience-based test techniques is not to design test cases that can be easily automated using a GUI-based test automation tool, but rather to design test cases that can reveal defects that are not easily detected by other test techniques, such as boundary value analysis, equivalence partitioning, state transition testing, etc. Test automation is the use of software tools to execute test cases and compare actual results with expected results, without human intervention. Test automation can be applied to different types of test techniques, depending on the test objectives, the test levels, the test tools, and the test resources. However, test automation is not always feasible or beneficial, especially for test cases that require human judgment, creativity, or exploration, such as those designed by experience-based test techniques.

References:
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 Techniques ISTQB Certified Tester Foundation Level Syllabus v4.0, Chapter 2.2.2, White-box Test Design Techniques ISTQB Certified Tester Foundation Level Syllabus v4.0, Chapter 2.2.3, Experience-based Test Design
Techniques
ISTQB Glossary of Testing Terms v4.0, Experience-based Test Technique, Black-box Test Technique, White-box Test Technique, Test Basis, Test Coverage, Test Automation

Good testing practice dictates that each test level (e.g., unit testing, integration testing, system testing) should have distinct test objectives aligned with the phase of the software development lifecycle it addresses. This ensures that testing is effective and relevant at each stage. According to the ISTQB CTFL Syllabus v4.0, establishing clear test objectives that are consistent with the development phase helps in achieving specific goals and improving the overall quality of the software product.

Comprehensive and Detailed In-Depth Explanation: Test automation improves efficiency and accuracy , but it does NOT eliminate manual testing (D) . (A) is correct because automation speeds up execution . (B) is correct as automated tests produce consistent and unbiased results . (C) is correct because automation reduces human errors in repetitive tests .

However, manual testing remains essential for exploratory testing, usability testing, and complex test scenarios.

References:
ISTQB CTFL v4.0 Syllabus, Section 6.2 ?Test Automation Benefits and Risks

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.
ISTQB Certified Tester Foundation Level Syllabus v4.01, Section 1.2.1, page 11; ISTQB Glossary v4.02,
page 16.

The principle of early testing is applicable to all recognized software development models, including sequential, iterative, and incremental models. Starting test activities early in the lifecycle helps in identifying and addressing defects as soon as possible, which can save time and costs by preventing defects from propagating to later stages of development. This proactive approach enhances the overall quality and efficiency of the software development process.
References:
ISTQB CTFL Syllabus V4.0, Section 1.3

Considering the various valid input equivalence partitions of hours studied and intensity, three additional test cases are needed to fully cover all valid partitions. This would typically include testing combinations that vary both the number of hours and the intensity levels not covered by the initial test cases (ISTQB Main Web).

References:
ISTQB Certified Tester Foundation Level Syllabus v4.0: ISTQB CTFL Syllabus v4.0 PDF

This answer is correct because test implementation is the activity where test work products, such as test cases, test data, test scripts, test harnesses, test stubs, or virtual services, are created and verified. Test implementation also involves setting up the test environment and preparing the test execution schedule. A virtual service emulating a real third-party service and the automated test scripts that interact with that service are examples of test work products that are typically created during test implementation.
References:
ISTQB Glossary of Testing Terms v4.0, ISTQB Foundation Level Syllabus v4.0, Section
2.2.2.3

The whole team approach, often advocated in Agile methodologies, emphasizes collaboration and collective responsibility among all team members. This approach enhances the relationships within the team and improves overall collaboration, which in turn benefits the project's success. According to the ISTQB CTFL Syllabus v4.0, the whole team approach fosters better communication and cooperation, leading to more effective problem-solving and higher-quality outcomes.

Confirmation testing, also known as re-testing, is performed to verify that specific defects have been successfully fixed.
Option A: "Testing due to the application of a new version of the interface" would typically involve regression testing, not confirmation testing.
Option B: "Testing that fixes resolved the defects in the search function" fits the description of confirmation testing as it focuses on ensuring that specific issues have been addressed.
Option C: "Testing if a system still works after update of an operating system" is an example of regression testing, as it checks the overall system behavior after an update.
Option D: "Testing to ensure the adding of new functionalities haven't broken existing functions" is another example of re (ISTQB not-for-profit association) (Udemy) it checks for unintended consequences of new changes.
Therefore, the correct answer is B

References:
Certified Tester Foundation Level v4.0
ISTQB Foundation Level Syllabus 4.0 (2023)

Effort estimate does not depend on the budget of the project, but rather on the scope, complexity, and quality of the software product and the testing activities. Budget is a constraint that may affect the feasibility and accuracy of the effort estimate, but it is not a factor that determines the effort estimate. Effort estimate is the amount of work required to complete the testing activities, measured in terms of person-hours, person-days, or person-months.

The other options are correct because:
A. Once the test effort is estimated, resources can be identified and a schedule can be drawn up, as they
are interrelated aspects of the test planning process. Resources are the people, tools, equipment, and facilities needed to perform the testing activities. Schedule is the time frame and sequence of the testing activities, aligned with the project milestones and deadlines. B. Effort estimate can be inaccurate because the quality of the product under tests is not known, as it affects the number and severity of the defects that may be found and the rework that may be needed to fix them. Quality is the degree to which the software product satisfies the specified requirements and meets the needs and expectations of the users and clients.
D. Experience based estimation is one of the estimation techniques, which relies on the judgment and
expertise of the testers and other project stakeholders to estimate the test effort based on similar projects or tasks done in the past. Experience based estimation can be useful when there is a lack of historical data, formal methods, or detailed information about the software product and the testing activities.

References:
1 ISTQB Certified Tester Foundation Level Syllabus v4.0, 2023, p. 154
2 ISTQB Certified Tester Foundation Level Syllabus v4.0, 2023, p. 155
3 ISTQB Certified Tester Foundation Level Syllabus v4.0, 2023, p. 156
4 ISTQB Certified Tester Foundation Level Syllabus v4.0, 2023, p. 157
5 ISTQB Certified Tester Foundation Level Syllabus v4.0, 2023, p. 158
6 ISTQB Certified Tester Foundation Level Syllabus v4.0, 2023, p. 159
7 ISTQB Certified Tester Foundation Level Syllabus v4.0, 2023, p. 16
8 ISTQB Certified Tester Foundation Level Syllabus v4.0, 2023, p. 160
9 ISTQB Certified Tester Foundation Level Syllabus v4.0, 2023, p. 161

Boundary value analysis is a technique that tests boundary values between partitions of equivalent data.
Boundary values are values at the edge of an equivalence partition or at the smallest incremental distance on either side of an edge. Boundary value analysis can be applied to both input and output values. Based on the given requirement, we can identify two input values: age and weekend. Age should be an integer of 0 or above, and weekend means Friday to Sunday inclusive.

The following statement is not correct:

A) Thursday is a valid input boundary value. This statement is not correct, as Thursday is not a boundary value for the input weekend. The boundary values for the input weekend are Friday and Sunday, as they are at the edge of the equivalence partition that represents weekend days.

The following statements are correct:

B) A minimum of 6 valid test cases are derived from boundary value analysis based on input age. This statement is correct, as we can derive six valid test cases based on input age by using the minimum and maximum values for each equivalence partition defined by the requirement. The equivalence partitions for input age are: under 7 (0 to 6), 7 to 13 inclusive (7 to 13), and greater than 65 (66 and above). The minimum and maximum values for each partition are: 0 and 6, 7 and 13, and 66 and any value above it.
C) $3.01 is a valid output boundary value. This statement is correct, as $3.01 is a boundary value for the output additional fee. The additional fee can have four possible values depending on the input age: $0 (for visitors aged under 7), $2.40 (for visitors aged 7 to 13 inclusive with a 20% discount), $1.50 (for visitors aged greater than 65 with a 50% discount), and $3 (for visitors aged between 14 and 65). The boundary values for the output additional fee are $0 and $3, as they are at the edge of an equivalence partition or at the smallest incremental distance on either side of an edge. Therefore, $3.01 is a valid output boundary value, as it is at the smallest incremental distance above $3. D) 7 and 13 are boundary values for the equivalence partition including age 10. This statement is correct, as 7 and 13 are boundary values for the equivalence partition that represents visitors aged 7 to 13 inclusive. This partition includes age 10, which is an internal value within the partition.

References:
[A Study Guide to the ISTQB Foundation Level 2018 Syllabus - Springer], Chapter 4, page 37-38.

Test exit criteria are the conditions or requirements that must be met before testing can be concluded. Test exit criteria are usually defined in the test plan and agreed by the stakeholders. Test exit criteria can be based on various factors, such as test coverage, defect status, quality level, risk level, etc. Test schedules would be the least likely to be used as the basis for test exit criteria, because test schedules are not directly related to the quality or performance of the software product, but rather to the time or resources allocated for testing. Test schedules can be used as the basis for test entry criteria, which are the conditions or requirements that must be met before testing can start. The other options are more likely to be used as the basis for test exit criteria. Cost of testing performed so far can be used as a basis for test exit criteria, because it can indicate the return on investment or the cost-benefit ratio of testing. Confidence of testers in tested code can be used as a basis for test exit criteria, because it can reflect the level of satisfaction or assurance of the testers about the quality or reliability of the software product. Number of unfixed defects can be used as a basis for test exit criteria, because it can indicate the level of risk or impact of the remaining defects on the software product. Verified References: A Study Guide to the ISTQB Foundation Level 2018 Syllabus - Springer, page 13.

Debugging is the process of finding, analyzing and removing the causes of failures in software. Debugging is not considered part of testing, but rather a development activity that can involve testing. Debugging is not intended to find as many defects as possible, but rather to fix the specific failure that was observed.
Debugging is usually performed by developers, not by test engineers. Verified References: A Study Guide to the ISTQB Foundation Level 2018 Syllabus - Springer, Chapter 1, page 6.

For boundary value analysis, the test cases should include the boundary values just inside and just outside the equivalence partition for the 13% interest rate range:

R100,000 (just inside the previous range)
R100,001 (start of the 13% range)
R500,000 (end of the 13% range)
R500,001 (just outside the range)
These values ensure that both the edges of the partition are tested.

Project risks are the uncertainties or threats that may affect the project objectives, such as scope, schedule, cost, and quality. According to the ISTQB Certified Tester Foundation Level (CTFL) v4.0 syllabus, some of the factors that contribute to project risks are:

Skill and staff shortages: This factor refers to the lack of adequate or qualified human resources to perform the project tasks. This may result in delays, errors, rework, or low productivity. Problems in defining the right requirements: This factor refers to the difficulties or ambiguities in eliciting, analyzing, specifying, validating, or managing the requirements of the project. This may result in misalignment, inconsistencies, gaps, or changes in the requirements, affecting the project scope and quality.
Contractual issues: This factor refers to the challenges or disputes that may arise from the contractual agreements between the project parties, such as clients, suppliers, vendors, or subcontractors. This may result in legal, financial, or ethical risks, affecting the project delivery and satisfaction.

The other options are not correct because they list factors that contribute to PRODUCT risks, not project risks. Product risks are the uncertainties or threats that may affect the quality or functionality of the software product or system. Some of the factors that contribute to product risks are: Poor software quality characteristics: This factor refers to the lack of adherence or compliance to the quality attributes or criteria of the software product or system, such as reliability, usability, security, performance, or maintainability. This may result in defects, failures, or dissatisfaction of the users or stakeholders.
Software does not perform its intended functions: This factor refers to the deviation or discrepancy between the expected and actual behavior or output of the software product or system. This may result in errors, faults, or malfunctions of the software product or system.

References:
ISTQB Certified Tester Foundation Level (CTFL) v4.0 syllabus, Chapter 1: Fundamentals of
Testing, Section 1.5: Risks and Testing, Pages 14-16.

In Agile teams, close collaboration among testers and other team members can lead to organizational risks such as: ii. Close interaction with developers causes a loss of the appropriate tester mindset. iv. Testers, once they have acquired technical development or business skills, leave the testing team.

These risks highlight the potential issues of diminished testing perspective and team turnover when testers integrate closely with developers and other roles.

This answer is correct because the whole-team approach is a way of working in agile projects where all team members share the responsibility for the quality of the product, and collaborate on delivering value to the customer. The whole-team approach involves testers, developers, business analysts, product owners, and other stakeholders in planning, designing, developing, testing, and delivering the product. The whole-team approach fosters communication, feedback, learning, and continuous improvement within the team.
References:
ISTQB Glossary of Testing Terms v4.0, ISTQB Foundation Level Syllabus v4.0, Section
3.1.1.1

Testing is necessary for various reasons, such as: To detect defects and failures that may affect the quality, performance, reliability or security of a software product or system To verify that a software product or system meets its specified requirements, expectations and standards To validate that a software product or system fulfills its intended purpose and
satisfies its stakeholders' needs
To provide information and feedback about the status and risks of a software product or system
To comply with regulations or contractual obligations that mandate testing for certain types of software products or systems The following statements describe some reasons why testing is necessary:

A) The customer decided that 100% branch coverage shall be achieved. This is a reason why testing is necessary, as it reflects a contractual obligation or a quality standard that requires testing to measure and achieve a certain level of code coverage.
C) For avionics and pharmaceutical systems software testing is mandated by standards. This is a reason why testing is necessary, as it reflects a regulation or a compliance requirement that mandates testing for certain types of software products or systems that have high safety or security risks.
D) The risks associated with delivering the system are far higher than the cost of testing. This is a reason why testing is necessary, as it reflects a risk-based approach that considers testing as an investment to reduce the probability and impact of potential failures or defects. The following statement does not describe a reason why testing is necessary:
B) The acquisition of test automation tools was based on the assumption that it will be used m all projects.
This is not a reason why testing is necessary, as it reflects a business decision or a resource allocation that does not justify the need or purpose of testing. Test automation tools are not always suitable or beneficial for all projects, and testing can be performed with or without test automation tools.
References:
[A Study Guide to the ISTQB Foundation Level 2018 Syllabus - Springer], Chapter 1, page 5-6.

Static testing refers to testing that doesn't involve executing code. It includes activities like reviews, inspections, and static analysis. Tools that support static testing help with activities such as analyzing source code, checking coding standards, and aiding in document reviews. These tools can automate or facilitate various aspects of static testing processes, such as highlighting potential issues in code or documents without executing the software.

References:
ISTQB Certified Tester Foundation Level Syllabus v4.0, Section 6.1.1.

Defect clustering is a testing principle that states that a small number of modules contain most of the defects detected during pre-release testing, or are responsible for most of the operational failures. Defect clustering can be explained by Pareto's principle (also known as the 80-20 rule), which states that approximately 80% of the problems are found in 20% of the modules. Defect clustering suggests a change to the current test strategy for the next test cycle, as it implies that more effort should be allocated to test the modules that have shown high defect density or criticality. Pesticide paradox is another testing principle that states that if the same tests are repeated over and over again, eventually they will no longer find any new defects. Pesticide paradox suggests a change to the current test strategy for the next test cycle, but not based on defect clustering, but rather on test diversity and coverage. Early testing is a testing principle that states that testing activities should start as early as possible in the software development life cycle and should be focused on defined objectives. Early testing does not suggest a change to the current test strategy for the next test cycle, but rather a proactive approach to prevent defects from occurring or propagating. Absence-of-errors fallacy is a testing principle that states that finding and fixing defects does not help if the system built is unusable and does not fulfill the users' needs and expectations. Absence-of-errors fallacy does not suggest a change to the current test strategy for the next test cycle, but rather a focus on quality attributes and user requirements. Verified References: A Study Guide to the ISTQB Foundation Level 2018 Syllabus - Springer, Chapter 1, page 9-10.

The correct statement is B. According to the ISTQB CTFL syllabus, the testing quadrants help to categorize tests based on their purpose and whether they are technology-facing or business-facing, and whether they support the team or critique the product. Quadrant Q2 includes tests that are business-facing and support the team, such as automated acceptance tests produced during Behavior-Driven Development (BDD) and Acceptance Test-Driven Development (ATDD) Quadrant Q3 includes business-facing tests that critique the product, such as exploratory testing, usability testing, and user acceptance testing. These tests are typically manual and focus on evaluating the product from a user perspective, rather than being part of a continuous integration process.
Quadrant Q4 includes technology-facing tests that critique the product, such as performance tests, security tests, and other non-functional tests, which can be automated but are not related to unit tests produced during TDD .

While configuration management is crucial for maintaining consistent versions of software artifacts and supporting the build process, it does not directly increase the chances of finding defects in the software under test. Version-controlled test ware ensures that the correct versions of test cases and other test artifacts are used, but it is the quality and thoroughness of the tests that determine the effectiveness of defect detection.

References:
ISTQB CTFL Syllabus V4.0, Section 5.4

In software testing, risks are categorized into product risks and project risks. Product risks are associated with the potential of a product to fail in meeting its quality criteria. Project risks are related to potential issues that could affect the project's ability to deliver a product.
[i] is a project risk because it concerns the availability and adequacy of hardware resources for performance testing.
[ii] is a product risk because it pertains to a security and functionality issue within the web application.
[iii] is a project risk because it involves the availability of necessary requirements documentation for the testing process.
[iv] is a product risk because it relates to the system's functionality and data integrity after a failure.

Thus, statement A correctly classifies [ii] and [iv] as product risks and [i] and [iii] as project risks.

The statement that "static testing increases development costs and time" is NOT correct. Static testing actually helps to reduce development costs and time by identifying defects early in the development process before dynamic testing is performed. Early detection of defects reduces the cost and effort required to fix them and prevents the propagation of defects to later stages, thus reducing overall testing and development costs.

References:
ISTQB CTFL Syllabus, Section 3.1.2, "The Value of Static Testing."

Test automation provides numerous benefits to software testing, and one of the key advantages is the reduction of repetitive manual work. This benefit is explicitly covered in the ISTQB Foundation Level Syllabus (v4.0).

Test automation allows testers to automate repetitive tasks such as regression testing, freeing up their time to focus on more complex and exploratory testing. This leads to improved efficiency and helps in avoiding human errors associated with repetitive tasks.

Option A: "More subjective assessment" contradicts the benefit of automation as it focuses on objectivity.
Option C: "Availability of the test automation tool vendor" is not a direct benefit of test automation, although vendor support can be valuable.
Option D: "Negligible effort to maintain the test assets" is misleading as maintaining automated tests often requires effort and attention to changes in the system under test.
Therefore, the correct answer is B (ISTQB not-for-profit association) (ISTQB).

References:
Certified Tester Foundation Level v4.0
ISTQB Foundation Level Syllabus 4.0 (2023)

State transition testing is a black-box testing technique used to analyze the behavior of a system by examining the transitions between different states in response to events. In state transition testing, a state table or diagram is used to represent the states of a system and the transitions between these states triggered by events.

Option D is correct because in state transition testing, all transitions between states should be explicitly shown in the state table. This includes valid transitions that the system is expected to make under normal operation and, where relevant, invalid transitions that should be tested to ensure the system handles unexpected or erroneous inputs gracefully. The state table provides a comprehensive view of how the system should behave, making it possible to create tests that cover all defined transitions.

The following statements about re-testing and regression testing are true:

I) Re-testing should be performed after a defect is fixed. Re-testing is a type of testing that verifies that a defect has been successfully resolved by executing a test case that previously failed due to that defect.
Re-testing should be performed after a defect is fixed and delivered to ensure that it does not cause any new failures or side effects.
III) Re-testing and regression testing may be performed at any test level. Re-testing and regression testing are not limited to a specific test level, but can be applied at any level depending on the context and objectives. For example, re-testing and regression testing can be performed at unit level, integration level, system level or acceptance level.
IV) Regression testing may include functional, non-functional and structural testing. Regression testing is a type of testing that verifies that previously tested software still performs correctly after changes.
Regression testing may include various types of testing depending on the scope and purpose of the changes. For example, regression testing may include functional testing to check if the software meets its requirements, non-functional testing to check if the software meets its quality attributes, or structural testing to check if the software meets its design or code standards. The following statement about re-testing and regression testing is false: II) Regression testing should always be performed after a defect is fixed. Regression testing is not always necessary after a defect is fixed, as some defects may have a low impact or low likelihood of affecting other parts of the software. Regression testing should be performed after a defect is fixed only if there is a risk of introducing new defects or causing existing defects due to the changes made to fix the defect.
References:
A Study Guide to the ISTQB Foundation Level 2018 Syllabus - Springer, Chapter 2, page 19
Chapter 4, page 45.

A valid criticism of this report is that the version of the application is missing. The version of the application is an important piece of information that should be included in a defect report, as it helps to identify which release or build of the software product contains the defect. The version of the application can also help to reproduce and debug the defect, as different versions may have different behaviors or features. The other options are not valid criticisms of this report. The priority, the correction description and the developer name are not missing, but rather not applicable for this report. The priority is a measure of how urgently a defect needs to be fixed, which can be assigned by the project manager or the defect tracking system, not by the tester who reports the defect. The correction description and the developer name are information that are added after the defect has been resolved, not when it has been reported. There is no link to the applicable requirement (traceability) is not a valid criticism of this report, because traceability is not a mandatory attribute of a defect report, but rather an optional one. Traceability is a relationship between two or more entities (such as requirements, test cases, defects, etc.) that shows how they are related or dependent on each other. Traceability can help to verify that the requirements are met by the test cases and defects, but it is not essential for reporting a defect. The description is not highlighting the source of the problem is not a valid criticism of this report, because highlighting the source of the problem is not a responsibility of the tester who reports the defect, but rather of the developer who fixes the defect. The description should provide enough information to describe what happened when the defect occurred, such as input values, expected results, actual results, error messages, screenshots, etc., but it does not need to explain why or how it happened. Verified References: A Study Guide to the ISTQB Foundation Level 2018
Syllabus - Springer, page 140.

In software testing terminology, a failure is an observable deviation of the software from its expected behavior. A defect (or bug) is the cause of the failure in the software's code. In this case, the observed slowdown is the failure, while the underlying memory leak in the application code is the defect causing this failure. This distinction is clearly outlined in the ISTQB CTFL Syllabus v4.0, which differentiates between failures (observable issues) and defects (underlying issues in the code).

The correct answer can be derived by applying the given rules to each case:

A is ST certified and has 12 years of testing experience, which is more than 10 years. Therefore, A does not match any of the rules and the result is unknown. B is not ST certified and has 7 years of testing experience, which is between 5 and 10 years. Therefore, B matches rule 3 and the result is limited access.
C is not ST certified and has 3 years of testing experience, which is less than 5 years.

Therefore, C does not match any of the rules and the result is unknown. Verified References: This question does not require any external references, as it is based on logical reasoning.

A decision table is a technique that shows combinations of inputs and/or stimuli (causes) with their associated outputs and/or actions (effects). A decision table consists of four quadrants: conditions (inputs), actions (outputs), condition entries (values) and action entries (results). The following statements about decision tables are true: II: Test cases derived from decision tables can be used for component tests. Decision tables can be used to test components that have multiple inputs and outputs that depend on logical combinations of conditions. Decision tables can help cover all possible combinations or scenarios in a systematic way.
III: Several test cases can be selected for each column of the decision table. A column of a decision table represents a unique combination of condition entries and action entries. Several test cases can be selected for each column by varying other input values or expected results that are not part of the decision table. The following statements about decision tables are false: I" Generally, decision tables are generated for low risk test items. Decision tables are not related to risk level, but rather to complexity level. Decision tables are generated for test items that have complex logic or multiple conditions and actions that need to be tested.
IV: The conditions in the decision table represent negative tests generally. The conditions in the decision table represent both positive and negative tests, depending on whether they are valid or invalid inputs for the test item. Verified References: A Study Guide to the ISTQB Foundation Level 2018 Syllabus - Springer, Chapter 4, page 42-43.

The following statements about risk-based testing are correct: II) Tests should be prioritized to find tie critical detects as early as possible. Risk-based testing involves prioritizing tests based on risk level, which reflects both the likelihood and impact of defects or failures.
Tests with higher risk level should be executed earlier than tests with lower risk level, in order to find and fix critical defects as soon as possible.
III) Non-testing activities may also help to reduce risk. Risk-based testing does not only involve testing activities, but also other activities that can help mitigate risks, such as reviews, inspections, audits, simulations or prototyping.

Confirmation testing, also known as retesting, is conducted to verify that specific defects have been fixed.
Regression testing, on the other hand, is performed to ensure that recent changes have not adversely affected existing features of the software. Both types of testing are crucial for maintaining the integrity and quality of the software after modifications.

When developers are trying to identify and remove a defect, they need clear information on what went wrong and what was expected. The items that will be most useful to developers in this context are the expected results (item 1), the actual results (item 2), and a description of the defect including steps to reproduce, screenshots, and database dumps (item 5). This information helps developers understand the nature of the defect and provides the necessary details to reproduce and diagnose the issue effectively.

References:
ISTQB Certified Tester Foundation Level Syllabus v4.0, Section 5.5.1.

Maintenance testing is testing performed on a software product after delivery to correct defects or improve performance or other attributes. Maintenance testing can be triggered by various situations, such as modifications to a released software or system, migration of the system data to a replacement system, or retirement of the software or system. Maintenance testing is not executed when there is an update to the maintainability requirements during the development phase, as this is not a maintenance situation but rather a change request that should be handled by the development process. Verified References: [A Study Guide to the ISTQB Foundation Level 2018 Syllabus - Springer], Chapter 2, page 18-19.