GH-100: GitHub Administration

Pick how to study

• Try 10 free GH-100 questions
• GH-100 mock exam: timed, you pick the length
• GH-100 flashcards: spaced repetition
• GH-100 decision sheets: look-alike services, settled

The GH-100 exam

• Questions: 304

Why earn the GH-100 certification in 2026

GH-100 is Microsoft's associate-level certification for GitHub Enterprise administrators. Microsoft aims it at candidates with experience administering GitHub Enterprise environments, including identity and access management, GitHub Actions, and secure software development features. There is no prerequisite certification. The exam covers identities and access, administering the GitHub Enterprise environment, secure software development and compliance, GitHub Actions, and monitoring and optimising usage.

Who should sit this exam

GitHub organisation and enterprise administrators, platform engineers who manage runners and Actions policy, and security staff who set rulesets, secret scanning and audit logging.

Exam tips

• Compare Enterprise Managed Users with personal accounts, and SAML SSO with SCIM and team synchronisation
• Know the deployment scenarios: GHEC with EMU, GHEC with Data Residency and EMU, GHEC with personal accounts, and GHES
• Practise runner groups, GitHub-hosted and self-hosted runners, and secrets at organisation and repository level
• Review personal access tokens, GitHub Apps and OAuth Apps, and the rate limits for PATs and GitHub Apps

GH-100 skill areas and weights

The GH-100 skills outline changed significantly in July 2026. The change log says new objectives were added, some were removed, some may have moved between groups, and all were reworded.

• Manage GitHub identities and access: 15 to 20%
• Administer GitHub Enterprise environment: 10 to 15%
• Implement secure software development and compliance: 25 to 30%
• Manage GitHub Actions: 20 to 25%
• Monitor and optimize GitHub usage: 10 to 15%

Source: Microsoft Learn study guide for GH-100, skills measured as of July 2026.

GH-100 traps: free decision sheets

Each sheet settles one choice the exam tests, with every rule cited to a practice question.

• When Actions secrets are available to a workflow run
• GitHub App vs OAuth app vs fine-grained vs classic personal access token
• EMU partner identity providers: Entra ID vs Okta vs PingFederate

GH-100 study resources

• Build a study plan: tell us your exam date and we schedule daily practice and review sessions backwards from the date.
• Decision sheets: each sheet settles one choice between look-alike services, verdict first, then the comparison, then the traps.

Other Associate certifications

• GitHub Foundations (GH-900) practice exam
• GitHub Actions (GH-200) practice exam
• Microsoft Azure Administrator (AZ-104) practice exam

Ready for GH-100?

Try the practice surface for free. Answer a few questions, see the spacing loop, then decide. Try 10 free GH-100 questions or browse the catalogue.