Best Quality Microsoft GH-900 Exam Questions TestInsides Realistic Practice Exams [2026]
Critical Information To GitHub Foundations Pass the First Time
Microsoft GH-900 Exam Syllabus Topics:
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NEW QUESTION # 29
Which of the following is the best description of a Git commit?
- A. a series of changes made to a file, or set of files, in Git
- B. a log message that describes the purpose of the changes made to the files in a Git repository
- C. a snapshot of the entire repository at a specific point in time, capturing the state of all files in the project
- D. a record of the most recent changes made by a developer in Git
Answer: C
NEW QUESTION # 30
While maintaining the gist history, which of the following is the most efficient way to create a public gist based on another user ' s gist?
- A. Fork the gist.
- B. Create a new gist and copy the content from the existing gist.
- C. Request to be added to the existing gist.
- D. Clone the gist.
Answer: A
Explanation:
Forking a gist is the most efficient way to create a public gist based on another user ' s gist while maintaining the history of the original gist. When you fork a gist, you create a new gist in your own account that retains a link to the original, allowing you to track changes and contribute back if desired.
* Forking a Gist:
* Option A is correct because forking is a straightforward way to create your own copy of another user ' s gist while preserving the history and making it easy to track updates.
* Incorrect Options:
* Option B is incorrect because creating a new gist and copying the content would not preserve the history or link back to the original gist.
* Option C is incorrect because cloning is typically associated with repositories, not gists, and is more complex than forking for this purpose.
* Option D is incorrect because requesting to be added to the existing gist is not a standard GitHub feature.
References:
GitHub Docs: Forking Gists
NEW QUESTION # 31
Which of the following statements most accurately describes secret gists?
- A. Secret gists require GitHub Enterprise.
- B. Anyone with the URL for the gist can view the gist.
- C. Anyone can see the gist from the gist Discover page.
- D. Users with assigned access can view the gist.
Answer: B
Explanation:
Secret gists on GitHub are "unlisted" gists, meaning they are not publicly discoverable but can be viewed by anyone who has the URL.
Visibility of Secret Gists:
Option A is correct because secret gists can be viewed by anyone who has the direct URL, making them accessible yet unlisted.
NEW QUESTION # 32
You've made changes in a branch called feature-update and now want to merge it into the main branch of the same repository. What is the correct base and compare setup when opening a pull request?
- A. Base: feature-update, Compare: main
- B. Base: main, Compare: main
- C. Base: main, Compare: feature-updateright
- D. Base: develop, Compare: main
Answer: C
Explanation:
The base branch is where the changes will be merged into (usually main), and the compare branch is where the changes are coming from (feature-update).
Option A is CORRECT because when creating a pull request, the base branch is the one you want to merge your changes into (in this case, main), and the compare branch is the one that contains the new changes (in this case, feature-update).
References:
https://docs.github.com/en/pull-requests/collaborating-with-pull-requests/proposing-changes-to- your-work-with-pull-requests/creating-a-pull-request
https://docs.github.com/en/repositories/creating-and-managing-repositories/about-repositories
NEW QUESTION # 33
What is the minimum access needed to contribute to a repository?
- A. Maintain
- B. Write
- C. Read
- D. Triage
Answer: B
Explanation:
To contribute to a GitHub repository, a user typically needs to be able to create branches, push changes, and open pull requests. These actions require Write access, which is the minimum level of access needed to contribute code directly to a repository.
Write Access:
Option D is correct because "Write" access allows users to contribute to the repository by pushing changes, creating branches, and opening pull requests. This is the minimum required access level for contributing code.
NEW QUESTION # 34
As a user, which of the following default labels is used to indicate that a maintainer needs assistance on an issue or pull request?
- A. Help wanted
- B. Documentation
- C. Enhancement
- D. Question
Answer: A
Explanation:
In GitHub, labels are used to categorize issues and pull requests, and certain default labels are provided to help manage tasks:
Help Wanted Label:
Option C is correct. The "Help wanted" label is used to indicate that the maintainer of the repository needs assistance on a particular issue or pull request. This label helps in attracting contributors who might be interested in helping with specific tasks.
NEW QUESTION # 35
Which of the following best describes cloning a repository?
- A. It imports your source code into a new repository.
- B. It creates a copy of the repository on your local machine.
- C. It retrieves code updates from the remote repository.
- D. It creates a copy of the repository on GitHub.com.
Answer: B
Explanation:
Cloning a repository in GitHub refers to creating a copy of the repository on your local machine . This allows you to work on the project offline, make changes, and later push those changes back to the remote repository.
It does not involve creating a copy on GitHub.com (which would be forking), retrieving updates (which would be pulling), or importing source code into a new repository (which is done differently).
NEW QUESTION # 36
What is the difference between Git and GitHub?
- A. Git is a cloud-based hosting service, while GitHub is a distributed version control system.
- B. Git is a centralized version control system, while GitHub is a cloud-based collaboration platform.
- C. Git is a command-line tool for tracking file changes, while GitHub is a platform for collaborating on Git repositories.
- D. Git and GitHub are different names for the same tool that is used for version control and collaboration.
Answer: C
NEW QUESTION # 37
Which of the following is a primary goal of GitHub ' s community?
- A. Exclusively supporting experienced developers
- B. Creating a competitive environment for developers
- C. Enforcing strict code quality standards
- D. Facilitating collaboration and creativity
Answer: D
Explanation:
GitHub ' s community is centered around enabling developers to collaborate and innovate together. The platform provides tools and environments that foster open communication, sharing of ideas, and collective problem-solving.
* Facilitating Collaboration and Creativity:
* Option C is correct because GitHub is designed to be a collaborative platform where developers can work together on projects, share code, and contribute to open source initiatives, all in an environment that encourages creativity.
* Incorrect Options:
* Option A is incorrect because GitHub is inclusive of developers of all skill levels, not just experienced ones.
* Option B is incorrect because GitHub is not about creating a competitive environment; rather, it focuses on collaboration.
* Option D is incorrect because while code quality is important, enforcing strict code quality standards is not the primary goal of the GitHub community.
References:
GitHub Docs: Building a Strong Community
NEW QUESTION # 38
Which of the following best describes a Codespace?
- A. An AI pair programmer that offers autocomplete-style suggestions
- B. A Visual Studio Code plug-in to manage local devcontainers
- C. A lightweight editing experience that runs entirely in your browser
- D. A development environment hosted in the cloud
Answer: D
Explanation:
A Codespace is a cloud-hosted development environment provided by GitHub. It allows developers to code in a fully-configured environment that can be accessed from any device with an internet connection. Codespaces integrate with Visual Studio Code, either through the desktop app or directly in the browser, providing a consistent development experience without the need to manually set up a local environment.
Cloud-Hosted Development Environment:
Option C is correct because GitHub Codespaces are essentially cloud-based environments that are pre-configured with the tools and dependencies needed for development. This allows developers to start coding immediately without the overhead of setting up a local environment.
NEW QUESTION # 39
What command should you type to create and switch over to a new branch?
- A. git checkout newBranchName
- B. git checkout -n newBranchName
- C. git branch newBranchName
- D. git checkout -b newBranchName
Answer: D
Explanation:
git checkout -b <new-branch>
Create a new branch named <new-branch>, start it at <start-point>, and check the resulting branch out; Incorrect:
[Not C] git checkout [<branch>]
To prepare for working on <branch>, switch to it by updating the index and the files in the working tree, and by pointing HEAD at the branch. Local modifications to the files in the working tree are kept, so that they can be committed to the <branch>.
Reference:
https://git-scm.com/docs/git-checkout
NEW QUESTION # 40
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. Search the vendor's website for a github.yaml index.
- B. Add the vendor as an allowed Actions Source.
- C. Confirm that the action has a verification badge.
- D. Search the GitHub Marketplace for Actions by the vendor.
- E. Create a new workflow file.
- F. Install the GitHub App that was provided by the vendor.
Answer: C,D
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 # 41
GitHub Copilot leverages an Al model trained using:
- A. public, internal, and private repositories in your GitHub organization.
- B. public GitHub repositories.
- C. code samples from online forums.
- D. public and internal repositories in your GitHub organization.
Answer: B
NEW QUESTION # 42
What is the purpose of GitHub Sponsors?
- A. It funds the most popular open source projects based on stars.
- B. It allows the developer community to financially support open source projects.
- C. It provides a channel for GitHub to support open source projects.
- D. It offers a way for companies to purchase software on GitHub.
Answer: B
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.
NEW QUESTION # 43
Which of the following is an Innersource development practice?
- A. Adopting open source code into the organization
- B. Making all repositories publicly accessible
- C. Sharing code between teams within the organization
- D. Removing open source code from the organization
Answer: C
Explanation:
Innersource is a development practice where an organization adopts open-source development methodologies within its own internal environment. The primary goal of innersource is to break down silos and encourage collaboration across different teams within the organization.
Sharing Code Between Teams:
Option B is correct because innersource involves sharing code between teams within the organization, similar to how open-source communities share code across the public domain. This practice fosters collaboration, improves code quality, and allows for reuse of code, reducing duplication of efforts.
Incorrect Options:
Option A is incorrect because adopting open-source code into the organization is related to using open-source software, not specifically to innersource practices.
Option C is incorrect because removing open-source code from the organization is contrary to the principles of both open source and innersource.
Option D is incorrect because making all repositories publicly accessible refers to open source, not innersource. Innersource typically involves keeping code internal to the organization.
Reference:
GitHub Docs: What is Innersource?
Innersource Commons: The Basics
NEW QUESTION # 44
What folder is the definition files stored in when creating custom issue forms?
- A. .issues
- B. .issues/ISSUE_TEMPLATE
- C. .GitHub
- D. .github/ISSUE_TEMPLATE
Answer: D
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 # 45
Which of the following features does GitHub provide to enhance collaboration within teams?
- A. code review and discussion through issues and pull requests
- B. git repositories hosting and sharing capabilities
- C. automated testing and code quality analysis
- D. real-time collaboration through pair programming
Answer: A
NEW QUESTION # 46
Which mechanisms can you use to personalize Codespaces for your account? (Choose two.)
- A. dotfiles
- B. settings sync
- C. devcontainer
- D. operating system
- E. IDE plug-ins
- F. branch protections
Answer: A,B
Explanation:
Personalizing GitHub Codespaces for your account
You can personalize GitHub Codespaces by using a dotfiles repository on GitHub or by using Settings Sync.
Reference:
https://docs.github.com/en/codespaces/setting-your-user-preferences/personalizing-github- codespaces-for-your-account
NEW QUESTION # 47
Which of the following describes a branch in Git?
- A. A pointer to an identical snapshot of the project at a specific point in time
- B. A separate, isolated copy of the project's codebase
- C. A physical copy of the entire project stored on disk
- D. A new repository that shares code with the original "upstream" repository
Answer: B
Explanation:
In Git, a branch is a fundamental concept that represents an independent line of development within a project. Here's a more detailed explanation:
Branch in Git:
Option C is correct because a branch in Git is essentially a separate, isolated copy of the project's codebase where you can make changes without affecting the main codebase. Branches allow developers to work on features, fixes, or experiments in parallel to the main project.
Other Options:
Option A is incorrect because while a branch does point to a specific commit (which represents a snapshot of the project), the description lacks the emphasis on the isolated and parallel development aspect that is critical to the understanding of branches.
Option B is incorrect because a branch is not a physical copy stored on disk; it is a logical reference within the repository.
Option D is incorrect because that description better fits the concept of a fork, not a branch. A fork is a new repository that is a copy of another repository, usually used to contribute back to the original ("upstream") repository.
Reference:
Git Documentation: Branches in a Nutshell
GitHub Docs: Understanding the GitHub Flow
NEW QUESTION # 48
Which of the following GitHub features supports Polling?
- A. Discussions
- B. Projects
- C. Wikis
- D. Issues
Answer: A
NEW QUESTION # 49
Which of the following is an Innersource development practice?
- A. Adopting open source code into the organization
- B. Making all repositories publicly accessible
- C. Sharing code between teams within the organization
- D. Removing open source code from the organization
Answer: C
Explanation:
Innersource is a development practice where an organization adopts open-source development methodologies within its own internal environment. The primary goal of innersource is to break down silos and encourage collaboration across different teams within the organization.
* Sharing Code Between Teams:
* Option B is correct because innersource involves sharing code between teams within the organization, similar to how open-source communities share code across the public domain. This practice fosters collaboration, improves code quality, and allows for reuse of code, reducing duplication of efforts.
* Incorrect Options:
* Option A is incorrect because adopting open-source code into the organization is related to using open-source software, not specifically to innersource practices.
* Option C is incorrect because removing open-source code from the organization is contrary to the principles of both open source and innersource.
* Option D is incorrect because making all repositories publicly accessible refers to open source, not innersource. Innersource typically involves keeping code internal to the organization.
References:
GitHub Docs: What is Innersource?
Innersource Commons: The Basics
NEW QUESTION # 50
A distributed version control system is best described as a system that:
- A. Stores project files on a cloud-based server and allows multiple developers to collaborate on the same codebase simultaneously.
- B. Requires developers to manually track and manage different versions of their files using naming conventions and manual backups.
- C. Relies on a central server to store the entire project history and allows developers to check out files for editing.
- D. Ensures each developer has their own local copy of the entire code repository, including the complete project history and metadata.
Answer: C
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 # 51
Which of the following are characteristics of GitHub Teams? (Each answer presents a complete solution.
Choose two.)
- A. Teams can be nested.
- B. Team visibility can be visible or secret.
- C. Teams requires access to at least one repository.
- D. Teams has a maximum size of 100 users.
Answer: A,B
NEW QUESTION # 52
Which of the following are included as pre-defined repository roles? (Choose three.)
- A. View
- B. Write
- C. Triage
- D. Maintain
- E. Security
- F. Delete
Answer: B,C,D
Explanation:
GitHub provides several pre-defined repository roles that determine the level of access and permissions a user has within a repository. The roles that are included by default are:
Triage: Allows users to manage issues and pull requests without write access to the code.
Maintain: Provides more extensive access, including managing settings, but without full administrative control.
Write: Grants permission to push changes and manage issues and pull requests.
Roles like "Security" and "Delete" are not standard pre-defined roles, and "View" is generally referred to as "Read" in GitHub's permission structure.
NEW QUESTION # 53
Workflows can reference actions in: (Choose three.)
- A. Any public repository.
- B. An enterprise marketplace.
- C. A published Docker container image on Docker Hub.
- D. The same repository as your workflow file.
- E. GitHub Packages.
Answer: A,C,D
Explanation:
In GitHub Actions workflows, actions can be referenced from various sources depending on the needs of the workflow.
Any Public Repository:
Option A is correct. Actions can be referenced from any public GitHub repository, allowing the reuse of shared actions across multiple projects.
The Same Repository as Your Workflow File:
Option B is correct. Actions stored in the same repository as the workflow file can be referenced directly, which is common for custom actions specific to that project.
A Published Docker Container Image on Docker Hub:
Option E is correct. Workflows can reference actions that are provided as Docker container images hosted on Docker Hub, allowing integration of complex tools and environments.
NEW QUESTION # 54
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