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Question 1

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Which ISTQB certification is the formal prerequisite for CT-AT (Acceptance Testing)?

ISTQB CTAL-TM (Test Manager)

ISTQB CTFL Foundation Level

ISTQB CT-AI Specialist

No prerequisite is required

to track

2026 Statistics

Key Facts: ISTQB CT-AT Exam

Exam Questions

ISTQB

26/40

Passing Score

65%

60 min

Exam Duration

75 min non-native

$199

Exam Fee

ASTQB

Lifetime

Cert Valid

No renewal

CTFL

Prerequisite

Foundation Level required

The ISTQB CT-AT (CT-AcT v1.0) exam has 40 multiple-choice questions in 60 minutes (75 min for non-native English speakers) with a 65% passing score (26/40). Five chapters: Introduction and Foundations, Acceptance Criteria and Tests, Business Process and Rules Modeling, Acceptance Testing for Non-Functional Requirements, and Collaborative Acceptance Testing. Exam fee is $199 USD via ASTQB. Requires CTFL Foundation. Certification is valid for life.

Sample ISTQB CT-AT Practice Questions

Try these sample questions to test your ISTQB CT-AT exam readiness. Each question includes a detailed explanation. Start the interactive quiz above for the full 100+ question experience with AI tutoring.

1Which ISTQB certification is the formal prerequisite for CT-AT (Acceptance Testing)?

A.ISTQB CTAL-TM (Test Manager)

B.ISTQB CTFL Foundation Level

C.ISTQB CT-AI Specialist

D.No prerequisite is required

Explanation: The ISTQB Foundation Level (CTFL) is a formal prerequisite for the CT-AT Specialist exam. National boards (ASTQB, iSQI, etc.) verify a valid CTFL credential before allowing registration. CT-AT extends Foundation-level concepts of acceptance criteria and ATDD into a full Specialist-level treatment.

2Which statement BEST describes the relationship between business goals, business needs, business requirements, and product requirements?

A.They are all synonyms used interchangeably

B.They describe what shall be achieved at different levels of abstraction

C.Only product requirements are testable

D.Business goals are the most detailed level

Explanation: Per the CT-AcT syllabus, business goals, business needs, business requirements, and product requirements describe what shall be achieved at progressively more detailed levels of abstraction. Goals are highest-level (strategic), needs identify problems/opportunities, business requirements describe solutions, and product requirements specify the delivered system.

3In ATDD (Acceptance Test-Driven Development), when are acceptance tests typically written?

A.After the feature is fully implemented

B.Before the part of the application is developed, derived from acceptance criteria

C.Only during the regression phase

D.After the user acceptance testing phase

Explanation: ATDD derives acceptance tests from acceptance criteria as part of the system design process. The tests are written before the corresponding code is developed, so the code is then built to satisfy the tests. This early test creation drives shared understanding among business analysts, testers, and developers.

4Which statement about ATDD and BDD is TRUE?

A.BDD treats acceptance test design as something the test team handles after requirements are finalized

B.In both ATDD and BDD, test cases provide examples of product use

C.ATDD requires that 'how' (test cases) be defined before 'what' (acceptance criteria)

D.With ATDD/BDD, only developers can read the resulting tests

Explanation: Per the CT-AcT syllabus, in both ATDD and BDD, acceptance test cases represent example scenarios of product use. They are written collaboratively early, drive development, and serve as living documentation. The other options invert the practices.

5Which of the following is a primary role of business analysts in acceptance testing?

A.Writing unit tests for backend code

B.Identifying business needs of stakeholders and contributing to acceptance criteria

C.Configuring the CI/CD pipeline

D.Performing static code analysis

Explanation: Business analysts work with stakeholders to identify business needs, translate them into business and product requirements, and contribute to writing acceptance criteria. They participate alongside testers throughout testing preparation, execution, and reporting — not only at the requirements phase.

6Which of the following BEST describes acceptance testing in the V-model?

A.A type of unit testing performed by developers

B.The test level associated with validating the system against user needs and business requirements

C.A code review activity

D.A type of integration testing between modules

Explanation: In the V-model, acceptance testing corresponds to the highest validation activity — confirming that the system meets user needs, business requirements, and contractual or regulatory criteria. It validates the system as a whole against requirements, typically by or for the customer.

7Which forms of acceptance testing are recognized by ISTQB?

A.Only user acceptance testing (UAT)

B.User, contractual, regulatory/compliance, operational, and alpha/beta acceptance testing

C.Only alpha and beta testing

D.Only contractual acceptance testing

Explanation: ISTQB recognizes multiple forms of acceptance testing: user acceptance testing (UAT) by end users, contractual acceptance testing against contract criteria, regulatory/compliance acceptance testing for legal requirements, operational acceptance testing for operations teams, and alpha/beta testing in the user environment.

8Which statement about acceptance criteria is TRUE per the CT-AcT syllabus?

A.Acceptance criteria are only used in agile development

B.Independent testers should be involved to ensure early verification of acceptance criteria

C.Acceptance criteria are written only after the system is delivered

D.Acceptance criteria are not testable

Explanation: Independent testers should be involved early in writing and reviewing acceptance criteria so that they can be verified before development begins. Acceptance criteria are testable, used in both agile and traditional models, and exist before delivery rather than after.

9Which of the following is NOT a typical type of acceptance criterion?

A.Functional behavior criterion

B.Non-functional criterion (e.g., response time)

C.Business rule criterion

D.Compiler version criterion

Explanation: Acceptance criteria typically cover functional behavior, non-functional characteristics (performance, usability, security), and business rules. The compiler version is an implementation/build environment detail, not a user-visible acceptance criterion.

10In TDD (Test-Driven Development), tests are typically written by:

A.Business analysts before requirements are signed off

B.Developers, before the production code that satisfies them

C.End users, after the feature is delivered

D.Test managers, during regression cycles

Explanation: TDD is a developer practice: a developer writes a failing unit test first, then writes the minimum production code to make it pass, then refactors. ATDD/BDD differ in that they involve business analysts and testers, focus on acceptance criteria rather than unit-level behavior, and use Gherkin-like notations.

About the ISTQB CT-AT Exam

The ISTQB Certified Tester Acceptance Testing (CT-AT, officially CT-AcT v1.0) is an ISTQB Specialist certification that validates skills in acceptance testing. The syllabus covers acceptance testing fundamentals, ATDD and BDD, writing acceptance criteria, designing acceptance tests with Gherkin (Given/When/Then), business process and rules modeling using BPMN and DMN, acceptance testing for non-functional requirements, and collaborative practices including example mapping, three amigos, and story workshops. Requires the ISTQB Foundation Level (CTFL) as a prerequisite.

Questions

40 scored questions

Time Limit

60 minutes

Passing Score

65% (26/40)

Exam Fee

$199 USD (ISTQB / Pearson VUE)

ISTQB CT-AT Exam Content Outline

15%

Introduction and Foundations

Acceptance testing fundamentals, fundamental relationships among business goals/needs/requirements, business analysis and acceptance testing, ATDD vs BDD vs TDD, roles of business analysts and testers

25%

Acceptance Criteria, Acceptance Tests and Experience-Based Practices

Writing acceptance criteria, designing acceptance tests, Gherkin syntax (Feature, Background, Scenario, Scenario Outline, Examples, Given/When/Then/And/But), equivalence partitioning for acceptance tests, exploratory testing, alpha and beta testing, test charters

20%

Business Process and Business Rules Modeling

BPMN business process modeling, decision tables and DMN, state transitions, deriving acceptance tests from process and rule models, business process modeling for acceptance testing

17%

Acceptance Testing for Non-Functional Requirements

Non-functional acceptance criteria, quality in use, usability and user experience testing, performance efficiency, security acceptance testing

23%

Collaborative Acceptance Testing

Three amigos, example mapping, story workshops, collaborative user story writing, stakeholder engagement, tool support (Cucumber, SpecFlow, Behave, FitNesse), living documentation, traceability

How to Pass the ISTQB CT-AT Exam

What You Need to Know

Passing score: 65% (26/40)
Exam length: 40 questions
Time limit: 60 minutes
Exam fee: $199 USD

Keys to Passing

Complete 500+ practice questions
Score 80%+ consistently before scheduling
Focus on highest-weighted sections
Use our AI tutor for tough concepts

ISTQB CT-AT Study Tips from Top Performers

1Memorize Gherkin syntax — Feature, Background, Scenario, Scenario Outline, Examples, Given/When/Then/And/But — and the rule that WHEN should describe an action, not UI clicks

2Practice writing acceptance criteria in three formats: rule-oriented, scenario-oriented (Given/When/Then), and constraint-oriented

3Master example mapping — yellow cards for stories, blue for rules, green for examples, red for questions

4Understand the three amigos role: business (PO/BA), development, and testing perspectives meeting before development starts

5Learn BPMN basics: pools, lanes, tasks, sub-processes, gateways (exclusive, parallel, inclusive), and events (start, intermediate, end)

6Master DMN decision tables — hit policies (Unique, First, Priority, Any, Collect) and how to derive test cases from them

7Know the differences between ATDD, BDD, and TDD; ISTQB sample-exam questions test this distinction

8Understand non-functional acceptance criteria for usability (ISO 9241), performance (response time, throughput), and security (authentication, authorization, data protection)

Frequently Asked Questions

What is the ISTQB CT-AT exam?

The ISTQB Certified Tester Acceptance Testing (CT-AT, officially CT-AcT v1.0) is a Specialist-level ISTQB certification covering acceptance testing concepts. It addresses ATDD and BDD methods, writing acceptance criteria, Gherkin scenario design, business process and rules modeling (BPMN and DMN), non-functional acceptance testing, and collaborative practices like example mapping. The Foundation Level (CTFL) is a prerequisite.

How many questions are on the CT-AT exam and what is the passing score?

The CT-AT exam has 40 multiple-choice questions to be completed in 60 minutes (75 minutes for non-native English speakers). The passing score is 65%. K1/K2 questions earn 1 point each and K3 application questions earn 3 points, so the raw point total weights harder questions more heavily. The pass threshold corresponds to 26 of 40 correct.

What does CT-AT cost in 2026?

The ISTQB Acceptance Testing exam costs $199 USD when registered through ASTQB (the US ISTQB exam provider) in 2026. Pricing varies by national board and whether you book the exam alone or bundle it with accredited training. ASTQB offers a free retake when eligibility criteria are met.

What is the difference between ATDD and BDD?

Both ATDD (Acceptance Test-Driven Development) and BDD (Behavior-Driven Development) write executable specifications before the code. ATDD emphasizes deriving tests from acceptance criteria as part of system design. BDD emphasizes the ubiquitous Given/When/Then language understandable by business stakeholders. In CT-AT they are treated together because the practical activities, artifacts (Gherkin scenarios), and tools (Cucumber, SpecFlow) overlap heavily.

How long should I study for CT-AT?

Plan 25-40 hours over 3-5 weeks if you are an experienced tester new to acceptance testing, or 15-25 hours if you already work with ATDD/BDD. The ISTQB recommends accredited training (about 21 instructional hours). Read the CT-AcT v1.0 syllabus, complete 100+ practice questions, and aim for 80%+ before booking. Hands-on Gherkin and BPMN practice is essential for K3 questions.