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The Open Group TOGAF 9 Foundation ✓ Updated May 2026

The Open Group TOGAF 9 Part 1

Exam Code: OG0-091
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About the OG0-091 Exam

The OG0-091 exam, officially known as The Open Group TOGAF 9 Part 1, is the foundational assessment for the TOGAF 9 Foundation certification. Offered by The Open Group, this exam validates a candidate's understanding of the core concepts, terminology, and structure of the TOGAF 9 framework. It covers the Architecture Development Method (ADM), the Architecture Content Framework, and the Enterprise Continuum, ensuring professionals can apply these principles in real-world enterprise architecture initiatives. Passing this exam demonstrates a solid grasp of the TOGAF standard, which is widely adopted by organizations globally to improve business-IT alignment and drive digital transformation.

This exam is designed for individuals who are new to enterprise architecture or seeking to formalize their knowledge of the TOGAF framework. It tests the ability to recall and explain key architecture concepts, such as the ADM phases, deliverables, and artifacts, as well as the relationships between them. For example, a candidate must understand how the Preliminary Phase sets the foundation for architecture work and how the Requirements Management process integrates throughout the ADM cycle. The OG0-091 exam is a prerequisite for the TOGAF 9 Certified level, making it an essential step for career progression in enterprise architecture roles.

In the industry, the TOGAF 9 Foundation certification is highly valued because it provides a common language and methodology for architects across different sectors, including finance, healthcare, and technology. Professionals who earn this credential are equipped to contribute to architecture projects, facilitate stakeholder communication, and support organizational change. The exam's focus on foundational knowledge ensures that certified individuals can align IT strategies with business goals, reduce costs, and mitigate risks. With 294 practice questions available, candidates can thoroughly prepare to master the framework's principles and achieve a competitive edge in the job market.

Who Should Take the OG0-091 Exam?

The OG0-091 exam is intended for individuals seeking to establish a foundational understanding of the TOGAF 9 framework, such as enterprise architects, solution architects, IT managers, and business analysts. It is ideal for professionals who are new to enterprise architecture or those who need to validate their knowledge of TOGAF concepts for career advancement. There are no formal prerequisites, but a basic familiarity with IT systems and business processes is beneficial.

Topics Covered in OG0-091

📊
Core concepts and definitions of TOGAF 9
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Architecture Development Method (ADM) phases and cycles
💡
ADM deliverables, artifacts, and building blocks
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Architecture Content Framework and its components
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Enterprise Continuum and Architecture Repository
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TOGAF Reference Models (TRM and III-RM)
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Architecture Governance and Capability Framework
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Requirements Management process in ADM

Preparation Tips for OG0-091

Study the TOGAF 9 standard documentation, particularly the ADM phases and their outputs, as these are core to the exam.
Use the 294 practice questions to simulate exam conditions and identify weak areas in topics like the Enterprise Continuum and Architecture Content Framework.
Focus on memorizing key definitions and relationships, such as the difference between deliverables, artifacts, and building blocks.
Review the TOGAF Reference Models (TRM and III-RM) and understand how they apply to architecture development scenarios.
Join study groups or online forums to discuss complex topics like the ADM cycle and governance, which are frequently tested.

Frequently Asked Questions — OG0-091

What is the format of the OG0-091 exam?

The OG0-091 exam consists of 40 multiple-choice questions, and you have 60 minutes to complete it. A passing score is 55% (22 out of 40 questions). The exam is closed book and tests your recall of TOGAF 9 concepts, terminology, and processes.

How does OG0-091 differ from the OG0-093 TOGAF 9 Combined exam?

OG0-091 covers only Part 1 (Foundation) content, focusing on basic concepts and terminology. In contrast, the OG0-093 Combined exam includes both Part 1 and Part 2 (Certified) content, testing application and analysis skills. Passing OG0-091 earns the TOGAF 9 Foundation certification, while OG0-093 leads to TOGAF 9 Certified.

Can I retake the OG0-091 exam if I fail?

Yes, you can retake the exam. The Open Group allows unlimited retakes, but you must wait 30 days between attempts. It is recommended to review your performance report and focus on weak areas, such as ADM phases or the Architecture Content Framework, before retaking.

How many questions are in the ExamsTree OG0-091 study guide?
The ExamsTree OG0-091 PDF study guide contains 294+ practice questions with detailed answer explanations, all mapped to the official The Open Group exam objectives.

Why Choose ExamsTree?

ExamsTree OG0-091 Study Guide is developed by experienced certification professionals with deep knowledge of The Open Group technologies. Our team thoroughly researches each exam domain to provide comprehensive, accurate coverage.

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Exam Details
Vendor The Open Group
Questions 294+
Format PDF
Updated 5/24/2026
Cert TOGAF 9 Foundation
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