Free Practice Questions for GitHub Certified Copilot Specialist (GH-300) Certification

    šŸ”„ Last checked for updates April 1st, 2026

    Study with 350 exam-style practice questions designed to help you prepare for the GitHub Certified Copilot Specialist (GH-300).

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    Exam Details

    Key information about GitHub Certified Copilot Specialist (GH-300)

    Official study guide

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    Question formats CertSafari offers
    • Multiple choice
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    target audience:

    Candidates with expertise in using GitHub Copilot to improve software development productivity, quality, and security, familiar with GitHub fundamentals and one or more programming languages.

    note on features:

    Most questions cover features that are general availability (GA). The exam may contain questions on Preview features if those features are commonly used.

    skills measured as of:

    January 2026

    Exam Topics & Skills Assessed

    Skills measured (from the official study guide)

    Domain 1: Use GitHub Copilot responsibly

    Subdomain 1.1: Understand responsible AI principles

    - Describe risks and limitations of Generative AI tools - Describe ethical and responsible AI usage - Identify potential harms and mitigation strategies of AI usage

    Subdomain 1.2: Validate and operate AI tools

    - Explain the need to validate AI output - Identify how to operate GitHub Copilot responsibly

    Domain 2: Use GitHub Copilot features

    Subdomain 2.1: Use GitHub Copilot in the IDE

    - Enable Copilot in the IDE - Trigger Copilot through inline suggestions, chat, CLI, and Plan Mode - Exclude specific files or repositories (app knowledge)

    Subdomain 2.2: Use GitHub Copilot CLI

    - Define GitHub Copilot CLI and how it benefits developers - Identify the steps for installing GitHub Copilot CLI - Describe key GitHub Copilot CLI features and commands - Use GitHub Copilot CLI interactively and in sessions - Generate scripts and manage files with GitHub Copilot CLI

    Subdomain 2.3: Use GitHub Copilot features and capabilities

    - Use Agent Mode, Edit Mode, and MCP for enhanced development and workflows; manage Agent Sessions and delegate tasks to Sub‐Agents for optimized context usage - Use Copilot for code review and coding assistance - Utilize Spaces, Spark, Pull Request summaries, and customizable review standards via instructions files - Understand the limits, options, feedback, and commands of GitHub Copilot Chat; include prompt file reuse for consistent responses

    Subdomain 2.4: Manage organization-wide settings and policies

    - Configure organization-wide policy management; enable Copilot Code Review policies and manage feature availability across IDEs and github.com - Utilize audit log events - Manage subscriptions using the REST API

    Domain 3: Understand GitHub Copilot data and architecture

    Subdomain 3.1: Describe data handling and flow

    - Explain data usage, flow, and sharing - Describe input processing and prompt building - Explain proxy filtering and post-processing

    Subdomain 3.2: Understand lifecycle and limitations

    - Visualize code suggestion lifecycle - Describe limitations of LLMs and Copilot

    Domain 4: Apply prompt engineering and context crafting

    Subdomain 4.1: Craft effective prompts

    - Describe prompt structure and context - Understand how context is determined - Use zero-shot and few-shot prompting - Apply best practices for prompt crafting

    Subdomain 4.2: Engineer prompts for performance

    - Explain prompt engineering principles - Describe prompt process flow and chat history usage

    Domain 5: Improve developer productivity with GitHub Copilot

    Subdomain 5.1: Enhance productivity and code quality

    - Use Copilot for code generation, refactoring, and documentation - Accelerate learning and reduce context switching - Generate sample data and modernize legacy code

    Subdomain 5.2: Support testing and security

    - Generate unit and integration tests - Identify edge cases and write assertions - Suggest security improvements and performance optimizations

    Domain 6: Configure privacy, content exclusions, and safeguards

    Subdomain 6.1: Manage privacy settings and exclusions

    - Configure content exclusions and editor settings - Describe ownership and limitations of outputs

    Subdomain 6.2: Apply safeguards and troubleshoot

    - Enable duplication detection and security warnings - Resolve issues with suggestions and exclusions

    Techniques & products

    GitHub Copilot
    Generative AI
    AI tools
    IDE
    Copilot Chat
    GitHub Copilot CLI
    Plan Mode
    Agent Mode
    Edit Mode
    MCP
    Agent Sessions
    Sub-Agents
    Spaces
    Spark
    Pull Request summaries
    Instructions files
    Audit log events
    REST API
    LLMs (Large Language Models)
    Prompt engineering
    Zero-shot prompting
    Few-shot prompting
    Code generation
    Code refactoring
    Documentation generation
    Unit tests
    Integration tests
    Security improvements
    Performance optimizations
    Duplication detection
    Security warnings

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