[Dec-2025] GH-900 Exam Questions and Valid GH-900 Dumps PDF
GH-900 Brain Dump: A Study Guide with Tips & Tricks for passing Exam
Microsoft GH-900 Exam Syllabus Topics:
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NEW QUESTION # 16
Which of the following statements most accurately describes who can access a private repository Wiki?
- A. Wikis can be viewed by the same people who have Read access to the repository.
- B. Wikis are only viewable by repository admins.
- C. Wikis are public regardless of whether you have access to the repository.
- D. Wikis will not be visible until shared with a specific user.
Answer: A
Explanation:
For private repositories on GitHub, the Wiki is accessible to anyone who has Read access to the repository. This means that if you can view the code and files in the repository, you can also view its Wiki. This makes Wikis a useful tool for documenting projects in a way that is available to all collaborators without requiring special permissions beyond those needed to access the repository itself.
NEW QUESTION # 17
Which of the following best describes GitHub Copilot?
- A. An AI tool designed to replace software developers
- B. An advanced search tool to intelligently reuse existing code in your projects
- C. An AI pair programmer that offers autocomplete-style suggestions
- D. A Visual Studio Code extension for developing AI solutions
Answer: C
Explanation:
GitHub Copilot is described as an AI pair programmer that offers autocomplete-style suggestions. It is a tool integrated into development environments like Visual Studio Code that helps developers by providing code suggestions as they type. Copilot can suggest entire lines or blocks of code based on the context of what you're writing, making it a valuable assistant in coding, but not a replacement for developers.
NEW QUESTION # 18
Which of the following two-factor authentication (2FA) methods can you use to secure a GitHub account?
(Each answer presents a complete solution. Choose three.)
- A. Authenticator app
- B. GitHub mobile
- C. Security keys
- D. Single sign-on
- E. Security questions
Answer: A,B,C
Explanation:
The following two-factor authentication (2FA) methods can be used to secure a GitHub account:
A . Authenticator app: You can use an authenticator app (like Google Authenticator or Authy) to generate time-based one-time passwords (TOTP) for logging in.
C . GitHub mobile: The GitHub mobile app can also be used to receive 2FA codes, adding convenience for users who prefer to manage everything from their mobile devices.
D . Security keys: Physical security keys (such as YubiKeys) can be used as a strong form of 2FA, requiring physical access to the key to authenticate.
Security questions and Single sign-on (SSO) are not considered 2FA methods in the context of GitHub account security.
NEW QUESTION # 19
What features are offered by Copilot for Business that are not offered by Copilot for individuals?
(Each answer presents a complete solution. Choose three.)
- A. Support for organization or enterprise GitHub accounts
- B. Blocks suggestions matching public code
- C. VPN proxy support via self-signed certificates
- D. Plugs directly into the editor
- E. Offers multi-line function suggestions
- F. Organization-wide policy management
Answer: A,B,F
Explanation:
GitHub Copilot for Business offers several features that are tailored to the needs of organizations, providing more control, security, and support compared to the individual version.
Organization-wide Policy Management:
Option B is correct because Copilot for Business allows organizations to manage policies across their entire user base, providing control over how Copilot is used within the organization.
Blocking Suggestions Matching Public Code:
Option C is correct because Copilot for Business includes enhanced security features, such as blocking code suggestions that match public code to prevent inadvertent use of unlicensed code.
Support for Organization or Enterprise GitHub Accounts:
Option E is correct because Copilot for Business supports integration with GitHub Enterprise accounts, offering additional administrative controls and integration capabilities.
Incorrect Options:
Option A (multi-line function suggestions) is a feature available in both individual and business versions, so it does not differentiate the business offering.
Option D (VPN proxy support via self-signed certificates) is not a primary differentiator of Copilot for Business.
Option F (plugs directly into the editor) is true for both individual and business versions, so it is not unique to Copilot for Business.
Reference:
GitHub Docs: GitHub Copilot for Business
NEW QUESTION # 20
Which of the following steps are part of the Codespaces lifecycle?
(Each answer presents a complete solution. Choose three.)
- A. Rollback
- B. Delete
- C. Clone
- D. Commit
- E. Install
- F. Create
- G. Rebuild
Answer: B,F,G
Explanation:
The Codespaces lifecycle on GitHub includes several key steps:
Create: This is the step where a new Codespace is initiated.
Rebuild: A Codespace can be rebuilt to ensure that the environment is up-to-date with the latest code or configurations.
Delete: Once a Codespace is no longer needed, it can be deleted to free up resources.
Committing, cloning, or installing are typical Git operations but are not considered part of the specific lifecycle steps for a GitHub Codespace.
NEW QUESTION # 21
What is the primary purpose of creating a new branch in the GitHub flow?
- A. To experiment with new features or fixes
- B. To create a backup of the main branch
- C. To capture information about an issue
- D. To incorporate changes from a review
Answer: A
Explanation:
In GitHub Flow, creating a new branch is a key step in the development process that allows for isolated development of new features or fixes without affecting the main codebase.
Experimenting with New Features or Fixes:
Option C is correct. The primary purpose of creating a new branch in the GitHub flow is to provide a safe space to experiment with new features or fixes. This allows developers to work on changes independently and only merge them into the main branch after they have been reviewed and approved.
Incorrect Options:
Option A (To create a backup of the main branch) is incorrect because branches are not typically used for backups; they are for active development.
Option B (To capture information about an issue) is incorrect because issues are tracked separately; branches are for code changes.
Option D (To incorporate changes from a review) is incorrect because incorporating changes is done during the pull request process, not when creating a branch.
Reference:
GitHub Docs: GitHub Flow
NEW QUESTION # 22
How can a user create a repository template, and what permissions are required?
- A. With Maintain permissions, navigate to Organization settings, select the repository, and choose Template Repository.
- B. With Admin permissions, navigate to Repository settings and select Template Repository.
- C. With Maintain permissions, navigate to Repository settings and select Template Repository.
- D. With Admin permissions, navigate to Organization settings, select the repository, and choose Template Repository.
Answer: B
Explanation:
Creating a repository template in GitHub requires specific steps and permissions:
Creating a Repository Template:
Option A is correct because a user with Admin permissions can navigate to the repository's settings and enable the "Template Repository" option. This allows other users to generate new repositories from this template, which includes all branches, tags, and file history.
Other Options:
Option B is incorrect because "Maintain" permissions do not allow the creation of repository templates, and the option is not found in Organization settings but in the repository settings.
Option C is incorrect because the "Template Repository" option is in the repository settings, not in Organization settings.
Option D is incorrect because "Maintain" permissions do not grant the ability to create a repository template.
Reference:
GitHub Docs: Creating a Template Repository
NEW QUESTION # 23
If there are multiple README files, which of the following locations will be displayed first?
- A. /src
- B. /docs
- C. Root
- D. .github
Answer: C
Explanation:
When multiple README files exist in different locations within a GitHub repository, the README.md file located in the root directory of the repository will be displayed first by default. This file serves as the main documentation for the repository and is automatically rendered on the repository's home page.
Root Directory:
Option C is correct because the README.md file in the root directory is prioritized and displayed first on GitHub. This is the standard behavior for how GitHub presents documentation.
Incorrect Options:
Option A (.github) is incorrect because while a README.md file in the .github directory might be used for certain configurations, it is not the first to be displayed.
Option B (/src) is incorrect because the README.md in the src directory is not prioritized over the root.
Option D (/docs) is incorrect because documentation in the /docs folder is typically secondary to the root README.md.
Reference:
GitHub Docs: About READMEs
NEW QUESTION # 24
A distributed version control system is best described as a system that:
- A. Relies on a central server to store the entire project history and allows developers to check out files for editing.
- B. Stores project files on a cloud-based server and allows multiple developers to collaborate on the same codebase simultaneously.
- C. Requires developers to manually track and manage different versions of their files using naming conventions and manual backups.
- D. Ensures each developer has their own local copy of the entire code repository, including the complete project history and metadata.
Answer: D
Explanation:
A distributed version control system (DVCS) like Git is best described as a system that ensures each developer has their own local copy of the entire code repository, including the complete project history and metadata. This decentralized approach allows developers to work independently, with full access to the project's history and files, and later synchronize their changes with others. Unlike centralized systems, DVCS does not rely on a single central server, which provides greater flexibility and robustness in collaboration.
NEW QUESTION # 25
Which of the following options is available as a default Discussion category?
- A. Show and tell
- B. Bug report
- C. Daily check-in
- D. Security concern
Answer: A
Explanation:
In GitHub Discussions, several default categories are provided to help organize conversations within a project. One of the default categories is Show and tell. This category is designed for users to showcase their work, share progress, or discuss achievements with the community. The other options listed (Bug report, Daily check-in, Security concern) are not default categories but could be custom categories created by the repository maintainers.
NEW QUESTION # 26
What folder is the definition files stored in when creating custom issue forms?
- A. .issues/ISSUE_TEMPLATE
- B. .issues
- C. .github/ISSUE_TEMPLATE
- D. .GitHub
Answer: C
Explanation:
When creating custom issue forms on GitHub, the definition files are stored in the .github/ISSUE_TEMPLATE folder. This directory is used to define issue templates and forms that help standardize the information collected when users open new issues in the repository. The .github folder is a special directory used for various repository configurations and workflows.
NEW QUESTION # 27
Where can you go to discover, browse, and install tools?
- A. GitHub Marketplace
- B. GitHub Apps
- C. Explore
- D. Organization settings
Answer: A
Explanation:
The GitHub Marketplace is the place where users can discover, browse, and install various tools and integrations that extend the functionality of GitHub. These tools can include CI/CD services, security checks, and other development utilities that enhance workflow automation and project management.
NEW QUESTION # 28
What is the purpose of GitHub Sponsors?
- A. It offers a way for companies to purchase software on GitHub.
- B. It provides a channel for GitHub to support open source projects.
- C. It allows the developer community to financially support open source projects.
- D. It funds the most popular open source projects based on stars.
Answer: C
Explanation:
GitHub Sponsors is a program designed to provide a platform for developers and companies to financially support open-source projects and their maintainers.
Financial Support for Open Source Projects:
Option D is correct because the main purpose of GitHub Sponsors is to allow members of the developer community, including individuals and organizations, to financially support open-source projects and maintainers. This helps sustain open-source development by providing developers with the resources they need to continue their work.
Incorrect Options:
Option A is incorrect because GitHub Sponsors is not based on project popularity (e.g., stars); it is based on voluntary contributions.
Option B is incorrect because while GitHub provides the platform, the purpose of GitHub Sponsors is not for GitHub itself to fund projects, but to enable the broader community to do so.
Option C is incorrect because GitHub Sponsors is not a marketplace for purchasing software but a platform for supporting developers.
Reference:
GitHub Docs: GitHub Sponsors
NEW QUESTION # 29
An employee needs to find all issues within organization "Avocado" containing text "404 error" and a "guacamole" label. Which of the following steps would be best to search for these results?
- A. Enter query org:Avocado label:guacamole "404 error" in the search bar. Select "Issues" in the Filter by section.
- B. Go to the Avocado organization settings. Select Repository defaults under Repository. Scroll to Repository labels and select the 'guacamole' label.
- C. Enter query org:Avocado is:issue label:guacamole "404 error" in the search bar.
- D. Go to "Avocado" organization. Select Issues under a repository. Filter issues with a "guacamole" label.
Answer: C
Explanation:
GitHub provides a powerful search syntax to filter and find specific issues across repositories in an organization.
Search Query Syntax:
Option A is correct because the query org:Avocado is:issue label:guacamole "404 error" is the best way to search for all issues within the "Avocado" organization that contain the text "404 error" and are labeled with "guacamole". This query is precise and leverages GitHub's advanced search capabilities.
Incorrect Options:
Option B is incorrect because it requires manual filtering in a specific repository rather than searching across the entire organization.
Option C is incorrect because selecting "Issues" in the filter by section is redundant when using the query is:issue.
Option D is incorrect because accessing organization settings to look for repository labels is not relevant to searching for issues.
Reference:
GitHub Docs: Searching Issues and Pull Requests
NEW QUESTION # 30
What is a gist?
- A. Markdown document
- B. Git repository
- C. GitHub app
- D. GitHub Pages site
Answer: B
Explanation:
A gist on GitHub is essentially a Git repository, albeit a simplified one, designed for sharing snippets of code, notes, or other text content. Gists support version control and can be public or secret.
Gist as a Git Repository:
Option B is correct because each gist is a Git repository, meaning you can clone it, commit changes, and even fork it, just like any other Git repository.
Incorrect Options:
Option A is incorrect because a gist is not an app; it's a feature of GitHub that provides a simplified repository.
Option C is incorrect because while a gist may contain Markdown documents, it is fundamentally a repository that can hold various file types.
Option D is incorrect because GitHub Pages is a separate service for hosting websites, not related to gists.
Reference:
GitHub Docs: About Gists
NEW QUESTION # 31
What is a benefit of using GitHub Enterprise Cloud with Enterprise Managed Users (EMU)?
- A. It provides centralized control and streamlined management of user accounts through their identity provider (IdP).
- B. It enables GitHub user accounts access to protected resources using SAML SSO.
- C. It automatically validates user interactions using the identity provider (IdP) conditional access policy (CAP).
- D. It offers additional collaboration and content creation capabilities for managed user accounts.
Answer: A
Explanation:
GitHub Enterprise Cloud with Enterprise Managed Users (EMU) integrates closely with an organization's identity provider (IdP), such as Azure Active Directory, to manage user accounts. The primary benefit of this setup is centralized control and streamlined management. It allows organizations to enforce policies, manage user permissions, and provision or deprovision accounts directly through their IdP, ensuring consistency and security across the organization. This approach is ideal for large enterprises that require tight control over their users and resources.
NEW QUESTION # 32
What should be done to locate an existing action that was provided by a GitHub-approved vendor?
(Each correct answer presents part of the solution. Choose two.)
- A. Add the vendor as an allowed Actions Source.
- B. Search the GitHub Marketplace for Actions by the vendor.
- C. Install the GitHub App that was provided by the vendor.
- D. Search the vendor's website for a github.yaml index.
- E. Confirm that the action has a verification badge.
- F. Create a new workflow file.
Answer: B,E
Explanation:
To locate an existing GitHub Action provided by a GitHub-approved vendor, you can use the following methods:
Verification Badge:
Option C is correct because actions provided by GitHub-approved vendors will typically have a verification badge. This badge indicates that the action is from a trusted source, giving users confidence in its security and reliability.
Search the GitHub Marketplace:
Option F is correct because GitHub Marketplace is the official location to find and install actions, including those provided by third-party vendors. You can search for actions by the vendor's name to find the specific one you need.
Incorrect Options:
Option A is not necessary to locate an existing action; creating a workflow file is for implementing the action, not locating it.
Option B is incorrect because searching the vendor's website for a github.yaml index is not a standard practice for finding actions.
Option D is incorrect because installing a GitHub App is unrelated to finding an existing action.
Option E is incorrect because adding a vendor as an allowed Actions Source is a configuration step for using the action, not for locating it.
Reference:
GitHub Marketplace: Verified Actions
NEW QUESTION # 33
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