The OGEA-103 (TOGAF Enterprise Architecture Combined Part 1 and Part 2 Exam) is designed for professionals seeking to validate their enterprise architecture knowledge and skills through The Open Group's TOGAF Certifications program. This exam combines both foundational and intermediate competencies, assessing your ability to apply the TOGAF standard in real-world architecture scenarios. Whether you are beginning your enterprise architecture career or advancing your credentials, this page provides a clear roadmap of exam content, question formats, and proven preparation strategies. Use this resource to understand what the exam measures and how to study efficiently for success.
Use this topic map to guide your study for The Open Group OGEA-103 (TOGAF Enterprise Architecture Combined Part 1 and Part 2 Exam) within the TOGAF Certifications path.
The OGEA-103 exam uses multiple-choice and scenario-based questions to assess both conceptual knowledge and practical decision-making. Questions progress in difficulty and require you to apply TOGAF concepts to realistic enterprise situations.
Questions increase in complexity and real-world relevance as you progress, ensuring that passing the exam demonstrates both knowledge depth and practical reasoning ability.
Efficient preparation maps the TOGAF Certifications syllabus to a structured study schedule, combining topic review with practice questions and scenario analysis. A typical 6-8 week plan allows time for deep learning, skill integration, and confidence building before exam day.
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The Architecture Development Method (ADM) phases and Stakeholder Management are heavily tested because they form the practical core of enterprise architecture work. Governance and Phase A (Architecture Vision) also receive significant coverage since they establish the foundation for any architecture engagement. Review these areas thoroughly and ensure you can apply them to realistic scenarios.
The ADM provides a repeatable cycle: Phase A defines the vision and scope, Phases B-D develop business and technology architectures, Phase E identifies opportunities, Phase F plans implementation, Phase G oversees delivery, and Phase H manages change. In practice, phases may overlap or iterate based on organizational needs. Understanding this flow helps you map architecture decisions to project timelines and stakeholder expectations.
Candidates often confuse the purpose of different ADM phases or misapply governance concepts to specific scenarios. Another frequent error is overlooking stakeholder management as a continuous activity rather than a one-time task. Review the phase objectives carefully and practice scenario questions that test your ability to select the correct phase or governance approach for a given situation.
Read the business context and stakeholder needs first, then identify which ADM phase or TOGAF concept applies. Look for keywords like "initial engagement" (Phase A), "competing requirements" (stakeholder management), or "post-implementation monitoring" (Phase H and change management). Eliminate answers that address the right topic but the wrong phase or context.
Focus on scenario-based practice questions and timed mini-tests rather than re-reading notes. Review your weak topic areas identified in earlier practice tests. Ensure you can quickly recall ADM phase names, governance principles, and reference model components. Get adequate sleep the night before the exam and arrive early to reduce stress.
Scenario:
You are working as an Enterprise Architect at a large company. The company runs a chain of home improvement stores, as well as a website for selling products. The website lets many brands work with the company.
The stores open seven days a week and use a standard method to track sales and inventory. This involves sending accurate and timely sales data to a central inventory management system that can predict demand, adjust stock levels, and automate reordering. The website is supported by regional fulfillment centers and also uses the central inventory management system. The central inventory management system is housed at the company's central data center.
The company has agreed to merge with a major competitor. The leadership teams of both organizations have said they are committed to a smooth transition for customers. All stores will keep their own brand names. They will combine the systems of the organizations, which includes merging retail operations and systems. Duplicated systems will be replaced with one standard retail management system. Additionally, they will reduce the number of applications being used. The CIO expects that these changes will lead to substantial cost savings for the newly merged company.
An enterprise plan for both organizations has been created. The aim is to set priorities for the transition, especially in terms of information management and application development. It is crucial to make decisions that will create long-term value.
The company has a mature Enterprise Architecture (EA) practice and uses the TOGAF standard for its architecture development method. The EA program is sponsored by the Chief Information Officer (CIO).
The Request for Architecture Work to oversee the transition has been approved. The project has been scoped, and you have been assigned to work on it.
You have been asked to confirm the most relevant architecture principles for the transition.
Based on the TOGAF Standard, which of the following is the best answer?
The correct answer is C, as it aligns with the key TOGAF principles necessary for guiding enterprise architecture in a merger scenario where retail operations and systems are being consolidated.
Analysis of the Principles in Option C:
Common Use Applications
Since the two companies are merging, it is essential to standardize applications across the enterprise.
Using common applications ensures consistency, reduces costs, and improves efficiency.
TOGAF emphasizes this principle to prevent duplicate or redundant systems, which aligns with the CIO's goal of reducing the number of applications used.
Data is an Asset
In the scenario, a central inventory management system is a core business function.
Treating data as an asset ensures it is managed properly, shared efficiently, and used strategically across the merged organization.
This principle supports the company's ability to predict demand, adjust stock levels, and automate reordering.
Common Vocabulary and Data Definitions
The merger requires integrating different systems and data structures.
Having a common vocabulary ensures that all stakeholders (stores, fulfillment centers, and digital platforms) use consistent terminology and data definitions.
This minimizes confusion and ensures interoperability across business functions.
Maximize Benefit to the Enterprise
Every architectural decision should focus on the overall benefit to the business.
By consolidating IT systems and reducing redundancies, the company achieves cost savings, which directly supports this principle.
Business Continuity
The stores operate seven days a week, so system changes must ensure uninterrupted service.
Business continuity ensures that customers are not affected during the transition and that critical retail operations (sales, inventory tracking, and fulfillment) remain functional.
Why Other Options Are Incorrect?
Option A: Control Technical Diversity, Interoperability, Data is an Asset, Data is Shared, Business Continuity
Control Technical Diversity is not the primary concern here. The focus is on system consolidation, not necessarily on limiting technology diversity.
Interoperability is important but not as critical as defining a common system and data structure.
Option B: Service Orientation, Compliance with the Law, Requirements-Based Change, Responsive Change Management, Data Security
While service orientation and compliance are valuable, they are not the most relevant to this specific business transition.
Change management and data security are important but do not address the primary enterprise-wide architectural concerns of system consolidation.
Option D: Ease of Use, Common Use Applications, Data is an Asset, Technology Independence, Business Continuity
Ease of Use is beneficial but is not a core architecture principle in this case.
Technology Independence is useful but does not align directly with the scenario's priority, which is consolidating applications and data structures.
TOGAF Standard, ADM Techniques, Architecture Principles (Section 2.6)
TOGAF Standard, Part III: ADM Guidelines and Techniques
TOGAF Enterprise Architecture Principles -- The Open Group
Which of the following is a purpose of Phase A of the TOGAF ADM?
Phase A: Architecture Vision identifies stakeholders, their concerns, and defines the scope and objectives of the architecture engagement.
Defining enterprise strategy is outside ADM (it is a business planning activity).
Describing the target architecture happens in Phases B, C, and D.
Developing an EA Capability is done in the Preliminary Phase, not Phase A.
Please read this scenario prior to answering the question
Your role is that of a consultant to the Lead Enterprise Architect to an international supplier of
engineering services and automated manufacturing systems. It has three manufacturing plants
where it assembles both standard and customized products for industrial production
automation. Each of these plants has been operating its own planning and production
scheduling systems, as well as applications and control systems that drive the automated
production line.
The Enterprise Architecture department has been operating for several years and has mature,
well-developed architecture governance and development processes that are based on the
TOGAF Standard. The CIO sponsors the Enterprise Architecture.
During a recent management meeting, a senior Vice-President highlighted an interview where
a competitor company's CIO is reported as saying that their production efficiency had been
improved by replacing multiple planning and scheduling systems with a common Enterprise
Resource Planning (ERP) system located in a central data center. Some discussion followed,
with the CIO responding that the situations are not comparable, and the current architecture is
already optimized.
In response, the Architecture Board approved a Request for Architecture Work covering the
investigations to determine if such an architecture transformation would lead to improvements
in efficiency. You have been assigned to support the architecture team working on this project.
A well-known concern of the plant managers is about the security and reliability of driving their
planning and production scheduling from a remote centralized system. Any chosen system
would also need to support the current supply chain network consisting of local partners at
each of the plants.
Refer to the scenario
You have been asked to explain how you will initiate the architecture project.
Based on the TOGAF Standard, which of the following is the best answer?
The best answer is C. You would hold a series of interviews at each of the manufacturing plants using the business scenarios technique. This will allow you to understand the systems and integrations with local partners. You would use stakeholder analysis to identify key players in the engagement, and to understand their concerns. You will then identify and document the key high-level stakeholder requirements for the architecture. You will then generate high level definitions of the baseline and target architectures.
This answer is based on the TOGAF standard, which recommends the following steps to initiate the architecture project1:
Establish the architecture project
Identify stakeholders, concerns, and business requirements
Confirm and elaborate business goals, business drivers, and constraints
Evaluate business capabilities
Assess readiness for business transformation
Define scope
Confirm and elaborate Architecture Principles, including business principles
Develop Architecture Vision
Define the Target Architecture value propositions and KPIs
Identify the business transformation risks and mitigation activities
Secure stakeholder and sponsor approval
The answer C covers most of these steps, by using the business scenarios technique to elicit and validate the business requirements, goals, drivers, and constraints, as well as the current and future states of the architecture2. The answer C also uses stakeholder analysis to identify and engage the key stakeholders, and to address their concerns and expectations3. The answer C also generates high level definitions of the baseline and target architectures, which can be used to develop the Architecture Vision and the value propositions4.
The other answers are not the best approach for architecture development, because:
Answer A focuses on researching vendor literature and conducting briefings with vendors, which is not the best way to understand the business needs and the current situation of the enterprise. Answer A also defines a preliminary Architecture Vision without involving the stakeholders or validating the requirements, which may lead to misalignment and lack of consensus.
Answer B conducts a pilot project that will enable vendors to demonstrate potential solutions, which is premature and costly at this stage of the architecture project. Answer B also does not address the stakeholder concerns or the current systems and integrations, which may result in gaps and risks. Answer B also develops the requirements after the pilot project, which may not reflect the actual business needs and goals.
Answer D develops baseline and target architectures for each of the manufacturing plants, which may not consider the enterprise-wide perspective and the potential benefits of a common ERP system. Answer D also does not involve the stakeholders or address their concerns, which may result in resistance and conflict. Answer D also does not define the business case or the performance metrics, which are essential for demonstrating the value and feasibility of the architecture.
1: The TOGAF Standard, Version 9.2 - Architecture Vision 2: The TOGAF Standard, Version 9.2 - Business Scenarios 3: [The TOGAF Standard, Version 9.2 - Stakeholder Management] 4: [The TOGAF Standard, Version 9.2 - Architecture Definition Document]
Complete the sentence. The assets in the B and C are structured from generic to specific to provide a consistent language to ____________.
In TOGAF, the Enterprise Continuum is divided into two major parts: the Architecture Continuum and the Solutions Continuum. These are used to classify architecture and solution assets from generic to specific. The Architecture Continuum organizes architecture assets such as foundation architectures, common systems architectures, industry architectures, and organization-specific architectures. The Solutions Continuum organizes corresponding solution assets, ranging from generic solutions through to organization-specific implementations.
The purpose of this structure is to provide a consistent language for describing and comparing architecture and solution assets. It helps architects communicate the differences between generic reusable guidance and specific enterprise solutions. This classification supports reuse, traceability, and consistency across architecture development.
The other options do not correctly identify the TOGAF concepts. Architecture Building Blocks and Solution Building Blocks are related concepts, but they are not the ''B and C'' referred to in the sentence. The correct pair is Architecture Continuum and Solutions Continuum.
Therefore, the correct answer is D.
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Which of the following describes a purpose of Architecture Principles?
Architecture Principles are general rules and guidelines that inform and support the way in which an organization sets about fulfilling its mission. They reflect a level of consensus among the various elements of the enterprise, and form the basis for making future IT decisions.One of the purposes of Architecture Principles is to establish a common understanding of how to control thebusiness in pursuit of strategic objectives, by providing a framework for evaluating and agreeing on the changes that affect the enterprise's architecture3Reference:3: The TOGAF Standard, Version 9.2, Part III: ADM Guidelines and Techniques, Chapter 23: Architecture Principles : The TOGAF Standard, Version 9.2, Part IV: Architecture Content Framework, Chapter 31: Architecture Principles
