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OG0-023 ArchiMate 2 Combined Exam: Historical Format and the Current Two-Exam Route

OG0-023 was the English ArchiMate 2 Combined Part 1 and Part 2 examination from The Open Group. It packaged the historical Foundation and higher-level ArchiMate 2 assessments into one 150-minute session. The exam contained 48 questions across two sections: 40 simple multiple-choice questions in Part 1 and eight complex scenario questions in Part 2.

The combined exam is no longer available. The Open Group records the ArchiMate 2 examinations as retired, with the change noted in August 2022. That matters because the current ArchiMate 3 program does not provide a direct combined replacement. Candidates seeking the current Practitioner path take OGA-031 for Foundation and OGA-032 for Practitioner as separate exams.

OG0-023 combined two different assessment styles in one appointment

The first section of OG0-023 measured ArchiMate 2 Foundation knowledge. It used 40 closed-book, simple multiple-choice questions with a 60% pass mark. The second section shifted to application: eight complex scenario questions, open book, using gradient scoring. The best answer received five points, the second-best three, the third-best one, and the distractor zero.

The Part 2 passing threshold for ArchiMate 2 was 70%, or 28 points out of 40. Candidates therefore needed to pass both sections, not merely achieve a strong combined total. The two sections assessed related knowledge but demanded different exam behaviors: quick and precise recognition in Part 1, then comparative judgment under scenario conditions in Part 2.

That design also meant that a candidate could not compensate for weak Foundation knowledge with strong scenario reasoning, or vice versa. Someone scoring well in the open-book section still needed to meet the independent Part 1 threshold. The safest preparation strategy treated the two sections as separate exams that happened to share an appointment, with distinct readiness checks for recall and application.

Passing one section was not enough for the combined qualification

A combined exam can create the impression that the scores are averaged, but OG0-023 treated the two parts as distinct requirements. A candidate who failed either section did not receive the combined certification result. However, The Open Group's policy allowed the candidate to retake only the section that had been failed rather than repeat the entire combined session.

That policy made score interpretation important. A candidate who was weak on definitions needed a different remediation plan from one who understood the language but struggled to choose the best scenario answer. Treating both outcomes as simply 'failed the combined exam' would hide the information that should guide the next month of study.

The retake rule also encouraged disciplined post-exam review. Because failed candidates had to wait before another attempt, the useful question was not how quickly to book again but which type of mistake dominated the score. Vocabulary gaps, relationship confusion, slow use of the reference material, and poor scenario ranking each require a different correction. A month can be productive when it is used to repair the actual failure mode.

The Part 1 section required a reliable ArchiMate vocabulary

The historical Part 1 content corresponded to the same Foundation role as OG0-021. Candidates needed accurate knowledge of the ArchiMate 2 language: element categories, relationships, notation, viewpoints, and the purpose of the modeling framework. Since the section was closed book, recognition had to be fast enough to complete forty items in an hour.

A useful preparation method was to translate model fragments into ordinary language. Rather than memorize that two symbols can be connected by a particular relationship, explain what that relationship asserts about the enterprise. This makes distractors easier to reject because the candidate can test the meaning of each option instead of relying only on visual familiarity.

The Part 2 section was an exercise in judgment, not document lookup

Open book did not make the scenario section simple. The reference material could help confirm definitions, but the candidate still had to interpret a business and architecture situation, compare several plausible responses, and identify the best fit. With only eight questions, each decision carried substantial weight.

Gradient scoring rewarded nuanced judgment. The second-best and third-best answers still earned partial credit, which reflects the fact that architecture scenarios can contain more than one superficially reasonable option. Preparation should therefore ask why an answer is best, not only why another answer is wrong.

A practical review technique is to write a one-sentence justification for all four options after a scenario set. State the principle that makes the best answer strongest, the compromise that makes the second answer acceptable but incomplete, and the flaw that pushes weaker choices down the ranking. That exercise develops comparative reasoning and prevents the candidate from learning only the letter of the correct answer.

The reference document was most useful when the candidate already knew where concepts lived. Excessive searching could consume the ninety-minute Part 2 window. Familiarity with the structure of the specification supported faster confirmation, while scenario practice developed the actual decision-making skill.

One-session preparation had to account for the switch in cognitive mode

The combined format demanded endurance because Part 1 and Part 2 were not simply more of the same question type. After an hour of rapid closed-book recall, the candidate had to shift into longer scenario analysis and use the reference material selectively. That change could expose fatigue even in someone who was individually prepared for both parts.

A realistic practice session should therefore have reproduced the sequence. Completing isolated Part 1 sets on one day and isolated Part 2 cases on another was useful for skill building, but at least some practice should have combined them. The goal was to learn how concentration, timing, and confidence changed across the transition.

ArchiMate 2 knowledge is historical; ArchiMate 3.2 defines the current program

The Open Group's current ArchiMate certification program is aligned to the ArchiMate 3.2 specification. The language still serves the same broad purpose—describing, analyzing, and visualizing enterprise architecture—but the current body of knowledge belongs to a later version with expanded and refined concepts.

Candidates who find old OG0-023 courses or notes should separate durable modeling principles from version-specific material. Core habits such as choosing meaningful viewpoints, using relationships accurately, and modeling across business, application, and technology concerns remain valuable. The exam objectives, terminology details, and current certification rules must come from the ArchiMate 3 program.

There is no ArchiMate 3 combined exam to book in place of OG0-023

The current route is structurally different from the old combined option. The Open Group explicitly states that ArchiMate 3 has no Combined Part 1 and Part 2 exam. Candidates first achieve or demonstrate the Foundation requirement and then take the Practitioner examination under the current eligibility rules.

OGA-031 uses 40 closed-book multiple-choice questions, 60 minutes, and a 60% pass mark. OGA-032 uses eight open-book complex scenario questions, 90 minutes, and a 65% pass mark. The current Part 2 reference is the ArchiMate 3.2 specification. Those details should replace any scheduling assumptions inherited from OG0-023 material.

The separate-exam model can be helpful for planning because candidates can stabilize Foundation knowledge before dedicating their study to scenario application. It also means the old idea of one 150-minute combined appointment should not be carried into current registration.

It also changes logistics. Candidates should verify the eligibility requirement for OGA-032 and the way their Foundation result is recognized before scheduling. The Open Group permits the Practitioner exam when the candidate is already ArchiMate 3 Foundation certified or meets the specified same-day Part 1 condition. Registration planning should therefore follow current instructions rather than historical combined-exam habits.

A current Practitioner plan should deliberately bridge knowledge and application

Foundation preparation should produce more than a passing vocabulary score. Before moving into Practitioner work, a candidate should be able to read a model, explain the intent of each major element, justify relationship choices, and identify what information a viewpoint is designed to communicate. Those skills make scenario study more productive.

Practitioner preparation can then focus on ambiguity: competing ways to model a situation, stakeholder concerns, the amount of detail appropriate to a view, and the consequences of choosing one relationship or element over another. Repeatedly ranking several plausible answers is closer to the Part 2 task than memorizing a larger glossary.

Candidates using modeling tools should also practice without heavy tool assistance. A product may suggest valid relationships or organize palettes by layer, but the exam evaluates the candidate's understanding, not the software's validation engine. Manual sketches and written explanations expose gaps that an intelligent tool can conceal.

Another useful habit is to vary the stakeholder for the same architecture situation. A model designed for an executive concern should not necessarily show the same detail as one for an application architect or infrastructure specialist. Reframing one problem for several audiences teaches why viewpoints matter and helps the candidate recognize scenario answers that are technically possible but poorly matched to the stated concern.

OG0-023 remains useful when interpreting an older training record, résumé, certification history, or ArchiMate 2 study document. It explains why some older materials refer to a single combined exam and why historical candidates may have prepared for both levels in one session.

For a new candidate, however, the decision path is simpler: verify the current ArchiMate 3.2 body of knowledge, prepare for Foundation, then prepare for Practitioner if the role requires application-level competence. Do not search for a current 'combined' code merely because OG0-023 once existed.

Version-aware preparation prevents two common mistakes: studying retired content because it is easy to find and assuming a current certification path has the same packaging as its predecessor. The substance of enterprise modeling evolves gradually, but exam codes, eligibility, reference material, and delivery structure can change decisively.

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