GitHub Foundations (GH-900)
GH-900 validates foundational knowledge of Git and the GitHub platform: repositories, branching and pull requests, issues and projects, GitHub Actions and Packages, security features, administration, and the GitHub community. This simulator uses scenario-based questions with a per-domain scored report.
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The timer starts as soon as you begin. You can flag questions, move freely between them, and review everything before submitting. No sign-in required — sign in afterwards to save the result to your history.
Start GH-900 examSkills measured
Introduction to Git and GitHub
10%Version control concepts, core Git commands, and what GitHub adds on top of Git.
Working with GitHub Repositories
15%Creating and configuring repositories, branches, commits, tags, releases, and repository settings.
Collaboration Features
23%Issues, pull requests, code review, forks, discussions, notifications, and merge strategies.
Modern Development
15%GitHub Actions, Packages, Pages, Codespaces, and Copilot at a foundational level.
Project Management
12%GitHub Projects, milestones, labels, issue templates, and tracking work.
Privacy, Security, and Administration
15%Visibility, organizations and teams, roles, authentication, and GitHub's security features.
Benefits of the GitHub Community
10%Open source participation, GitHub Sponsors, Marketplace, and licensing.