IDBA Verified 2026 Edition

IDBA Practice Test

IDBA, the BCS International Diploma in Business Analysis, is a professional-level qualification built from multiple written modules plus a final oral examination. Its practice questions focus on business analysis practice, requirements engineering, an elective knowledge-based module, and a practitioner module. It compares with IIBA's CBAP and PMI's PBA, and leads toward the Advanced International Diploma.

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Exam Information

Official specifications published by BCS

Exam Format

Diploma (Professional Level)

Registration

BCS e-Professional portal (oral exam), Pearson VUE (written modules), TestReach (written modules), or online proctoring

Validity

No expiry stated (lifetime certification)

IDBA Exam Topics and Domains

IDBA is organized into 5 weighted domains.

1

Business Analysis Practice (Core Module)

25%

Strategic Context for Business Analysis

The Role and Competencies of the Business AnalystStrategy AnalysisExternal Environment AnalysisPerformance Measurement
  • Explain the role and competencies of a business analyst in organisational context
  • Analyse the strategic context using VMOST and environmental analysis techniques
  • Apply PESTLE and Porter's Five Forces to external environment analysis
  • Measure organisational performance using SWOT, CSFs, KPIs and Balanced Scorecard

Analysing and Managing Stakeholders

Stakeholder Identification and ClassificationStakeholder AnalysisStakeholder Management Strategies
  • Identify and categorise stakeholders using appropriate tools
  • Analyse stakeholder perspectives using CATWOE and Power/Interest Grid
  • Develop stakeholder management and engagement strategies using RACI

Analysing the Current State

Investigation TechniquesRepresenting Investigation FindingsBusiness System Analysis
  • Select and apply investigation techniques appropriate to the business situation
  • Represent findings using visual and analytical tools
  • Analyse business systems holistically using the POPIT model

Establishing the Target State

Business Activity Models (BAM)Target Operating Model (TOM)
  • Construct and use Business Activity Models to define the target state
  • Develop Target Operating Models based on POPIT framework
  • Create consensus BAMs for shared stakeholder understanding

Designing and Defining Solutions

Design Thinking and InnovationGap AnalysisSolution Options Development
  • Apply design thinking and the Double Diamond model to identify solutions
  • Conduct gap analysis to compare current and target states
  • Develop and evaluate solution options for organisational change

Developing a Business Case

Business Case Purpose and StructureFinancial Analysis for Business Cases
  • Define the purpose and structure of a business case
  • Apply financial appraisal techniques including payback, DCF, and NPV
  • Analyse costs, benefits, and risks for business case development
2

Requirements Engineering (Core Module)

25%

Requirements Engineering Fundamentals

Defining and Classifying RequirementsRequirements Engineering Framework
  • Define requirements and distinguish between different requirement types
  • Describe the Requirements Engineering framework and its components
  • Explain quality characteristics that make requirements fit for purpose

Stakeholder Management in RE

Stakeholder Identification and Analysis
  • Identify and classify stakeholders for requirements engineering
  • Map stakeholder perspectives and positions to requirements activities

Requirements Planning

Planning the RE Approach
  • Plan the requirements engineering approach based on organisational context
  • Select appropriate methodology for sequential or cyclical projects

Requirements Elicitation

Elicitation TechniquesKnowledge Types and Elicitation Scope
  • Apply elicitation techniques including interviews, workshops, observation, and prototyping
  • Identify and manage tacit and explicit knowledge during elicitation
  • Select appropriate techniques based on project methodology

Requirements Documentation

Documentation ApproachesData and Functional Representation
  • Document requirements using appropriate formats and approaches
  • Represent requirements using visual models including use case and class diagrams
  • Apply documentation standards for sequential and cyclical projects

Requirements Analysis and Refinement

Requirements AnalysisPrioritisation and PackagingRequirements Refinement
  • Analyse requirements for quality, feasibility, and alignment
  • Apply MoSCoW prioritisation and develop acceptance criteria
  • Refine and decompose requirements to improve clarity and testability

Requirements Validation

Validation Approaches
  • Apply formal and informal validation approaches
  • Use CRUD matrix for cross-model consistency verification
  • Involve appropriate stakeholders in validation activities

Requirements Governance and Change Management

Requirements Management
  • Manage requirements through traceability and version control
  • Apply change management processes to requirements
  • Track requirement dependencies and manage configuration
3

Knowledge-Based Module (Choose One)

20%

Option A: Business Analysis Foundation

Introduction to Business AnalysisBusiness Analysis Planning and MonitoringRequirements Elicitation and ManagementRequirements Analysis and Design DefinitionSolution EvaluationBusiness Analysis Techniques and Tools
  • Define the role and responsibilities of a business analyst
  • Describe key business analysis concepts and lifecycle models
  • Identify and apply stakeholder analysis and management techniques
  • Analyse and improve business services and processes
  • Define, document, and validate business requirements

Option B: Business Change

Principles of Business ChangeAligning Operations with Strategy
  • Understand principles, processes, roles and approaches in business change
  • Explain technology's role in enabling business change
  • Implement effective business change initiatives

Option C: IS Project Management

Project Planning and ControlChange and Quality ManagementStakeholder Communication
  • Apply project management principles in IS/IT contexts
  • Manage change control, configuration, and quality
  • Communicate effectively with project stakeholders

Option D: Organisational Behaviour

Organisational Principles and ModelsMotivation, Behaviour and CultureFinancial Reporting and Project Finance
  • Understand organisational principles and operating models
  • Analyse organisational behaviour, motivation, and culture
  • Apply financial reporting and project finance principles
4

Practitioner Module (Choose One)

15%

Option A: Modelling Business Processes

Context for Business Process ModellingBusiness Process Modelling TechniquesProcess Evaluation and Improvement
  • Investigate, model, analyse and improve business processes
  • Apply business process modelling techniques effectively
  • Evaluate and recommend process improvements

Option B: Systems Modelling Techniques

Functional ModelsData ModelsDynamic ModelsModel Integration and Evaluation
  • Construct functional, data, and dynamic models
  • Evaluate models against business objectives and system requirements
  • Understand how analysis products transition to system design

Option C: Systems Development Essentials

Systems Development LifecycleSystems Analysis and DesignQuality and Tool Support
  • Understand systems development tasks, disciplines, and lifecycle types
  • Select appropriate development methods based on project characteristics
  • Apply quality assurance procedures and tool support

Option D: Data Management Essentials

Data Administration and ManagementData Analysis and Security
  • Implement good practice in data management
  • Develop procedures for managing corporate data
  • Apply data analysis, privacy, and security techniques

Option E: Benefits Management and Business Acceptance

Benefits ManagementBusiness Acceptance Testing
  • Apply benefits management processes and frameworks
  • Categorise benefits and identify stakeholder roles
  • Define and apply acceptance testing frameworks
5

Oral Examination (Synthesis and Application)

15%

Rationale for Business Analysis

Justification and Value of Business Analysis

Articulate the rationale and value proposition for business analysis

Holistic View of Business Systems

Systems Thinking in Business Analysis

Apply systems thinking to business analysis scenarios

Business Analyst Competencies

Professional Competencies and Interpersonal Skills

Demonstrate interpersonal skills required to function effectively as a business analyst

Sectors of the Economy

Industry Sector Understanding

Understand the different sectors of the economy and their implications for BA

Legal and Regulatory Framework

Legal and Regulatory Considerations for Business Analysis

Understand the legal and regulatory framework relevant to business analysis

Business Environment Analysis

Environmental Analysis Application

Apply environmental analysis techniques to oral exam scenarios

Integration of Written Module Knowledge

Applying Combined Knowledge to Scenarios
  • Synthesise knowledge from all four written modules into a coherent approach
  • Apply combined BA knowledge to real-world business scenarios described by examiners

How do I earn this certification?

Passing IDBA earns the BCS International Diploma in Business Analysis certification. It sits in the Business Analysis track.

Current Level Exams
Alternative Paths
  • CBAP - Certified Business Analysis ProfessionalAlternative international BA certification from IIBA with focus on BABOK Guide
  • PMI-PBA - PMI Professional in Business AnalysisAlternative BA certification from PMI for professionals in project-oriented environments
  • IREB-CPRE - IREB Certified Professional for Requirements Engineering Complementary requirements engineering certification with BCS exemption pathway
  • BCS-ISEB-SD - BCS International Diploma in Solution Development Related BCS diploma focusing on solution development and systems analysis

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How to study for this exam?

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What's changed on this exam?

Current Status
  • ACTIVE
  • Last content update: 2024-07-01
Updates
  • Design Thinking in Business Analysis Double Diamond model Now a core topic in Business Analysis Practice module syllabus
  • Agile Requirements Engineering V6.1 syllabus update Enhanced coverage of agile backlog management, user stories, and iterative RE in Requirements Engineering module • Release date: 2025-07-01
  • Customer Experience (CX) Analysis Customer journey maps and empathy maps now part of current state analysis in BA Practice module

Who should take this exam?

Must pass 4 written module exams (2 core + 1 knowledge-based + 1 practitioner) before sitting the oral exam
  • Working knowledge of business analysis practices
  • Experience in business change or IT projects
  • Reading of Business Analysis 4th edition by Debra Paul and James Cadle

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