Not sure which GitHub exam to take? This table compares level, study time, and exam format, with free practice for each on MS Exam Lab.
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GitHub certs are the newest track: GH-100 for GitHub fundamentals, GH-200 for Actions and CI/CD automation, GH-300 for Copilot, and GH-900 for Foundations. They suit developers and DevOps engineers who want to certify the tooling they already use daily.
| Certification | Level | Study time | Exam format | Practice |
|---|---|---|---|---|
| GH-900: GitHub Foundations | Fundamentals | 1–2 weeks | ~45 questions, 100 min | Practice free |
| GH-100: GitHub Administration | Associate | 4–6 weeks | ~50 questions, 100 min | Practice free |
| GH-200: GitHub Actions | Associate | 4–6 weeks | ~50 questions, 100 min | Practice free |
| GH-500: GitHub Advanced Security | Associate | 4–6 weeks | ~50 questions, 100 min | Practice free |
| GH-600: Agentic AI Developer | Associate | 4–6 weeks | ~50 questions, 120 min | Practice free |
| GH-300: GitHub Copilot | Specialty | 4–8 weeks | ~60 questions, 100 min | Practice free |
Most people start with GH-900 (GitHub Foundations), a Fundamentals-level cert that builds the base before the more role-specific GitHub exams.
GH-900 is Fundamentals-level and proves broad, conceptual knowledge. GH-600 is Associate-level and proves you can perform real tasks with the product. GH-900 is a common (not required) on-ramp to GH-600.
No. Microsoft doesn't require GH-900 before GH-600. But if you're new to GitHub, starting with GH-900 makes GH-600 much easier.
Yes. MS Exam Lab offers free, unlimited practice for every GitHub certification, weighted to the official skills outline.