GH-300 Official Certification Question Bank (125 Questions)
125 curated questions sourced directly from official Microsoft Learn study domains, GH-300 exam prep guides, and real test sets covering all core competency areas of the GH-300 exam.
Q11: Which GitHub Copilot tier introduces Knowledge Bases created from Markdown documentation?
GitHub Copilot Enterprise allows organization administrators to curate Knowledge Bases by attaching Markdown repositories/docs. Users can then ask Copilot Chat grounded questions using company-specific documentation as truth.
- Knowledge Bases are exclusive to Copilot Enterprise.
- Indexes Markdown documentation across company repos.
Knowledge Bases derived from organization documentation repositories are available on which plan?
Q12: What configuration must be enabled for an organization to receive Microsoft/GitHub IP Indemnification protection?
To qualify for Microsoft's Copilot Copyright Commitment (IP Indemnification), organization administrators must ensure the Duplication Detection Filter (suggestions matching public code) is set to 'Block'.
- Requires setting public code match filter to 'Block'.
- Users must not intentionally bypass guardrails or attempt to output copyrighted code.
What setting must be enforced to benefit from GitHub's IP Indemnification defense against copyright claims?
Q13: How does GitHub Copilot Enterprise assist in the Pull Request review process?
Copilot Enterprise automatically drafts prose summaries and bulleted lists of changes for pull requests and allows reviewers to chat directly with the PR changeset to explain diffs.
- Generates PR descriptions and bulleted summaries.
- Does NOT automatically merge PRs or guarantee code correctness.
Which two features are provided by Copilot during PR reviews on GitHub.com?
Q14: Which two prompting strategies consistently improve code generation relevance from GitHub Copilot?
Effective prompt engineering relies on providing clear, specific success criteria and referencing supporting context/documentation files, rather than vague requests or dumping un-related code.
- State clear input/output expectations and success criteria.
- Keep open relevant context files in the IDE active tab buffer.
Which pair of techniques yields the highest quality code suggestions from Copilot?
Q15: How can a developer accept a partial (word-by-word) inline completion from GitHub Copilot in VS Code?
Pressing Tab accepts the entire inline completion. Pressing Cmd + Right Arrow (macOS) or Ctrl + Right Arrow (Windows/Linux) accepts the next single word of the suggestion.
Tab: Accepts full suggestion.Ctrl/Cmd + Right Arrow: Accepts next word incrementally.Esc: Dismisses suggestion.
What keyboard shortcut accepts suggestions word-by-word in VS Code?
Q16: What primary capability does GitHub Copilot in the CLI (gh copilot) provide?
The GitHub CLI extension (gh copilot) explains shell commands (gh copilot explain) and suggests shell commands (gh copilot suggest) for Bash, PowerShell, and Zsh scripts directly inside the terminal interface.
gh copilot explain: Breaks down terminal commands.gh copilot suggest: Generates shell strings for git, gh, and general shell ops.
Which tool provides terminal-native command generation and explanation for shell environments?
Q17: How does GitHub Copilot utilize open editor tabs to build context?
Copilot analyzes active and neighboring open editor tabs in the IDE using semantic matching algorithms. Relevant code snippets from open tabs are dynamically included in the prompt context sent to the model.
- Open tabs serve as prime context sources.
- Keep related interfaces and test files open to guide code generation.
Why is keeping related project files open in editor tabs beneficial when using Copilot?
Q18: What is the output of the /explain slash command in Copilot Chat?
The /explain command generates a clear, natural-language walkthrough explaining the logic, data flow, and intent of the selected code block or active file.
/explain: Translates complex code logic into plain language.- Great for onboarding developers to legacy codebases.
What is the primary function of the /explain command in Copilot Chat?
Q19: How does the /fix slash command assist developers during debugging?
The /fix slash command analyzes selected code alongside compiler errors or lint warnings, proposing concrete code corrections to resolve bugs or syntax errors.
/fix: Target resolution for errors, exceptions, and failing tests.- Considers active linter messages when generating fixes.
Which command analyzes selected broken code and proposes direct fixes for compile or lint errors?
Q20: Which Responsible AI principle emphasizes clear communication regarding how an AI system arrives at its outputs?
Transparency requires informing users about the capabilities, limitations, data sourcing, and decision mechanisms of AI tools so users understand how outputs are generated.
- Transparency = Openness regarding AI capabilities and limitations.
- Accountability = Assigning human responsibility for AI decisions.
Providing clear explanations of an AI system's operation aligns with which principle?