CTFL-AcT Exam Dumps - iSQI ISTQB Foundation Level Questions and Answers

This question is about combining Business Process Model and Notation (BPMN) and Decision Model and Notation (DMN) to design test cases for acceptance testing. The BPMN diagram outlines the customer checkout flow with a decision on whether a loyalty card is used, followed by a card scan that may trigger a discount check. The DMN decision table defines the logic for determining the discount percentage based on the number of loyalty points.

From the DMN:

<1000 points ⇒ 0% discount

1000–3000 points ⇒ 5% discount

3000 points ⇒ 5% discount

Option D correctly states that a customer with more than 500 points could be eligible for a 5% discount — but only if the number of points exceeds 1000. Since 500 does not meet the 1000 threshold, it appears this statement could be problematic at first glance. However, interpreting the spirit of the question, Option D is the only one matching the correct maximum discount scenario.

Let’s clarify each option:

A is incorrect: >1000 points qualifies for 5%, not 0%.

B is incorrect: 3% is not defined anywhere — DMN has 0% or 5%.

C is incorrect: again, 3% does not exist in the table.

D is acceptable in principle, assuming a typo (i.e., it should be “more than 1000” instead of 500); however, if taken literally, it would be incorrect.

However, given the options, D is the only one aligning with actual DMN output for >1000 loyalty points, despite the inaccurate lower limit.

Answer: D. These models can be used to generate a test case for a 5% reduction if the customer has more than 500 loyalty points

(If the literal error in Option D is to be treated strictly, the correct answer would be “none of the above,” but in context of typical ISTQB-style questions, D is the best fit.)

In acceptance testing, testers execute test cases that are directly derived from user stories or requirements via their acceptance criteria. During execution, testers compare the actual outcome of the system with the expected result described in the acceptance criteria. If there's a mismatch (a deviation), it is documented as a defect or discrepancy.

This process is essential for validating that the system meets business needs. The tester’s role includes reporting clear, objective findings—not fixing the defect or deciding its severity (which might involve developers or business analysts).

Option A is incorrect: Business analysts may support testing, but execution is primarily a tester’s responsibility.

Option C is not fully correct: While developers may fix defects, assignment and triage follow a formal workflow and do not happen automatically.

Option D is incorrect: Business analysts don’t repeat test executions; this is the tester’s responsibility.

Model-Based Testing (MBT) is a test design technique in which test cases are derived from a model that describes some aspects of the system’s behavior. In the context of acceptance testing, MBT can be used to generate high-level acceptance test cases automatically from business process models, use case diagrams, state models, or decision tables.

Option A is correct because MBT supports the systematic generation of acceptance test cases from these models, enabling better coverage of business rules and workflows while maintaining traceability to the requirements.

Other options:

B is close but slightly off: prioritization of acceptance tests in a priority-based approach depends on business value or stakeholder-defined priorities, not strictly on product risks.

C is incorrect. Risk-based testing relies on structured risk assessment, not just intuition or experience.

D is false. Black-box testing focuses on inputs and outputs without referencing the internal structure (such as function calls), which is characteristic of white-box testing.

Exact Reference – ISTQB CTFL Acceptance Testing Syllabus (Section 2.3):

“Model-based testing can be used to generate acceptance test cases systematically based on models representing business processes or system behavior.”

In ATDD (Acceptance Test-Driven Development), business process modeling (e.g., using BPMN) is a powerful way to visualize workflows and system behavior from the user's perspective. Testers can use these models to derive acceptance test cases by covering different business paths, including normal flows, alternate flows, and exception conditions.

Option A is correct because it reflects this practical usage: testers analyze the business process model and create test cases to ensure coverage of the different paths the system might take. This aligns acceptance testing directly with business logic and enhances traceability.

Other options:

B is partially valid but less direct; business analysts help define rules, but test case creation is a tester's role.

C reverses the correct flow; BPMN models are often created first and used to define or validate acceptance criteria, not the other way around.

D is incorrect — requirements/user stories are usually defined through stakeholder collaboration, not auto-generated from BPMN diagrams.

Answer: A. Testers use business process models to write test cases that cover the different paths.

Beta testing is a form of external user acceptance testing where real users test the product in their environment before the official release. It helps identify issues that may not have been caught in internal testing and gather user feedback on functionality, usability, and performance in real-world conditions.

Option C is correct — the core goal of beta testing is to obtain user feedback in their actual usage context, providing insight into how the system performs outside of controlled environments.

Other options:

A: Test charters are used in exploratory testing, not typically in beta testing.

B: Incorrect — beta testing is not tied to the timing of user story development in Agile.

D: Incorrect — beta testing is performed by end users, not by internal team members like developers or business analysts.

Answer: C. Beta testing aims to obtain feedback from users in their context of use

Exploratory testing is an unscripted, experience-based testing technique where the tester learns about the system, designs tests, and executes them simultaneously. It is especially effective in Agile environments, where rapid feedback and creative exploration are valuable.

Option D is the least likely action because scripting automated test scripts is a structured activity that typically occurs after exploratory sessions or during more formal test phases. Exploratory testing emphasizes manual exploration, not automation scripting.

Other options:

A is part of the core purpose of exploratory testing — discovering the product.

B is relevant — defining a charter and discussing it with stakeholders (like the Product Owner) helps guide the exploratory session.

C is also relevant — results of exploratory tests should be documented and communicated.

Answer: D. Scripting of the automated test scripts

An acceptance test summary report is a high-level document produced at the end of acceptance testing. It provides stakeholders (especially business owners and decision-makers) with essential information to determine whether the system meets the acceptance criteria and whether it is ready for release.

Option A is correct because understanding the residual risk — based on test results, open defects, and coverage — is critical for release decisions. The summary report includes test execution status, significant findings, defect summaries, and an overall risk assessment.

Other options:

B (technical details on defect fixes) belong more in defect or technical reports, not in the acceptance summary.

C (test strategy/design methods) are part of the test plan, not the summary report.

D (test procedure info) is operational detail, not suited for a high-level summary report.

Answer: A. Information to evaluate the level of risk for product release.

Beta testing is a type of external user acceptance testing performed by potential or existing customers in a real-world environment. It typically occurs after internal validation and acceptance tests have been passed. The purpose is to validate the product in realistic contexts, identify usability issues, uncover defects that may have been missed in lab settings, and gather feedback for improvements.

Option C is correct because it best describes the intent and value of beta testing — to observe how the product performs in real-life configurations, which may include varying hardware, usage patterns, or business workflows.

Option A is incorrect — while some people use the terms loosely, beta testing is not a strict synonym for acceptance testing. Acceptance testing usually refers to more formal, criteria-driven testing (e.g., alpha or internal acceptance testing), while beta testing emphasizes broad, usage-based validation.

Option B is misleading — beta testers may follow scenarios, but beta testing is not typically based on predefined acceptance criteria alone. It emphasizes exploration in realistic use cases.

Option D is false — beta testing is not primarily about measuring test coverage. It is qualitative and feedback-driven rather than systematically structured.

Exact Reference – ISTQB CTFL Acceptance Testing Syllabus (Section 3.2):

“Beta testing is performed by users in their own environment and supports validation of the system in realistic operational conditions.”

The ISTQB CTFL Acceptance Testing Syllabus emphasizes the importance of collaboration between business analysts and testers throughout the testing lifecycle, especially during test planning and risk identification. Business analysts contribute domain knowledge and business context, which is crucial in identifying business-critical areas, defining priorities, and ensuring that acceptance tests align with business goals.

Option A correctly identifies this collaboration. During test planning, business analysts help define acceptance criteria, identify risks from a business perspective, and support test prioritization to focus on high-value features. Their early involvement ensures that acceptance tests are meaningful and support stakeholder expectations.

Option B is incorrect as business analysts actively review acceptance tests to confirm alignment with business rules, regardless of technical complexity.

Option C is inaccurate because although testers seek to understand business needs, the responsibility for identifying those needs lies with business analysts.

Option D is incorrect; business analysts remain engaged throughout the project lifecycle, including test support and defect triage.

Exact Reference – ISTQB CTFL Acceptance Testing Syllabus (Section 1.4):

“Testers and business analysts collaborate during test planning and analysis activities to ensure the tests meet business needs and risk areas are adequately covered.”

Therefore, A provides the most accurate and comprehensive description.

When stakeholders provide conflicting acceptance criteria, resolving the conflict effectively requires focusing on the underlying business goals rather than getting stuck in technical or solution-level disagreements.

Option D is correct because it aligns with the core role of a business analyst and an acceptance tester: to understand and validate business needs. By exploring the root business objectives, you can help stakeholders reframe the problem and reach a compromise based on what delivers the most value.

Other options:

A may lead to confrontation and unproductive discussion without proper facilitation.

B is risky — prioritizing stakeholders may escalate conflict or appear biased.

C assumes you can objectively resolve the conflict based only on pros and cons, but without understanding the business context, the decision may not meet stakeholder needs.

Answer: D. Instead of discussing conflicting technical solutions, you try to understand the underlying business needs