AI-900 exam guide: format, domains, cost, and a free practice quiz covering AI workloads, machine learning on Azure, computer vision, NLP, and generative AI.
Microsoft Azure AI Fundamentals (AI-900) is Microsoft's foundational certification for artificial intelligence. It proves a broad understanding of AI and machine learning concepts and the Azure services that deliver them.
There are no prerequisites, making it a great starting point for anyone — technical or not — who wants to understand AI workloads, responsible AI, and generative AI on Azure.
▶ Start the free AI-900 practice quiz| Certification | Microsoft Azure AI Fundamentals (AI-900) |
|---|---|
| Exam code | AI-900 |
| Level | Foundational |
| Format | Multiple choice (some multi-response) |
| Questions | 40–60 questions |
| Duration | ~45–60 minutes |
| Passing score | 700 / 1000 |
| Cost (USD) | $99 |
| Validity | Does not expire |
| Prerequisites | None |
Exam details change over time — always confirm the current specifics on the official exam page before you book.
The official exam is organized into these domains. Our practice bank mirrors them so you can drill each area:
| Domain | Exam weight | Practice questions |
|---|---|---|
| AI Workloads and Considerations | 15-20% | 9 |
| Fundamental Principles of Machine Learning on Azure | 20-25% | 12 |
| Features of Computer Vision Workloads on Azure | 15-20% | 7 |
| Features of Natural Language Processing Workloads on Azure | 15-20% | 8 |
| Features of Generative AI Workloads on Azure | 15-20% | 9 |
Understand AI workload types (machine learning, computer vision, NLP, generative AI, anomaly detection) and Microsoft's responsible AI principles.
Know Azure ML basics (AutoML, designer, evaluation metrics) and the AI services: Azure AI Vision, Face, Document Intelligence, Language, Speech, and Translator.
Cover generative AI on Azure — Azure OpenAI Service, RAG on your data, and Azure AI Content Safety. The free quiz below covers all five exam domains.
Our free AI-900 practice quiz has 45 scenario-based questions covering every exam domain. Each question includes the correct answer, a plain-English explanation of why it is right (and why the alternatives are wrong), and a reference to the relevant topic — so you learn as you go, not just test yourself.
▶ Practice AI-900 now — 45 questions, freeIt's conceptual and knowledge-based. You don't need to build models or write code to pass.
Fundamentals certifications currently do not expire, unlike role-based ones. Confirm on the official page.
Typically 40–60 questions; you need about 700/1000 to pass.
Role-based AI exams such as AI-102 (Azure AI Engineer Associate) or DP-100 (Data Scientist).