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NEW QUESTION # 29
What are the key areas of focus for GitHub?
(Each answer presents a complete solution. Choose three.)
- A. Hosting video calls with other developers
- B. Nurturing a community that supports open source principles
- C. Providing a social media platform for project managers
- D. Building a technology platform for secure code sharing and collaboration
- E. Providing access and opportunities for developers
Answer: B,D,E
Explanation:
GitHub focuses on several key areas that align with its mission to support developers and foster collaboration:
Nurturing a Community That Supports Open Source Principles:
Option A is correct. GitHub is a major advocate for open-source software development, providing tools and platforms that enable open collaboration. GitHub hosts millions of open-source projects and supports a community-driven approach to software development.
Providing Access and Opportunities for Developers:
Option B is correct. GitHub provides a wide range of resources, such as GitHub Education, GitHub Actions, and GitHub Marketplace, to empower developers. These tools and opportunities help developers of all levels to learn, contribute, and improve their skills.
Building a Technology Platform for Secure Code Sharing and Collaboration:
Option D is correct. GitHub's core function is to provide a platform where developers can securely share code and collaborate. Features like private repositories, branch protections, and GitHub Actions for CI/CD (Continuous Integration/Continuous Deployment) workflows highlight this focus.
Incorrect Options:
Option C is incorrect because GitHub is not a social media platform for project managers; it is a code hosting platform with social features primarily aimed at developers.
Option E is incorrect because GitHub does not focus on hosting video calls. While some integrations might allow for video conferencing, it is not a core focus of GitHub.
Reference:
GitHub Docs: The GitHub Developer Experience
GitHub Docs: About GitHub
This detailed explanation covers the primary focuses of GitHub, emphasizing its role in the open-source community and its commitment to providing a secure and collaborative platform for developers.
NEW QUESTION # 30
What is the primary purpose of creating a new branch in the GitHub flow?
- A. To capture information about an issue
- B. To create a backup of the main branch
- C. To experiment with new features or fixes
- D. To incorporate changes from a review
Answer: C
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 # 31
Which of the following statements most accurately describes who can access a private repository Wiki?
- A. Wikis will not be visible until shared with a specific user.
- B. Wikis are public regardless of whether you have access to the repository.
- C. Wikis are only viewable by repository admins.
- D. Wikis can be viewed by the same people who have Read access to the repository.
Answer: D
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 # 32
GitHub Actions workflows can be directly triggered by which of the following events?
(Each answer presents a complete solution. Choose three.)
- A. Disabling a GitHub runner
- B. Adding a comment to a discussion post
- C. Pushing to a GitHub repository
- D. Creating a new repository
- E. Creating an Issue
- F. Committing a change to a local git repository
Answer: B,C,E
Explanation:
GitHub Actions are automated workflows that can be triggered by various events on GitHub. Some common events that trigger workflows include pushes to a repository, creation of issues, and comments on discussion posts.
Triggering GitHub Actions:
Option D (Pushing to a GitHub repository) is correct because this is one of the most common triggers for CI/CD workflows.
Option F (Creating an Issue) is correct because issues are commonly used as triggers for workflows, such as automatically assigning a label or notifying a team.
Option A (Adding a comment to a discussion post) is correct because actions can be triggered by activity on discussion posts, including comments.
Incorrect Options:
Option B (Creating a new repository) is incorrect because this action typically does not trigger workflows within a specific repository.
Option C (Committing a change to a local git repository) is incorrect because GitHub Actions are triggered by events on the GitHub platform, not by local commits.
Option E (Disabling a GitHub runner) is incorrect because it is related to the environment where actions are executed, not a trigger for workflows.
Reference:
GitHub Docs: Events That Trigger Workflows
NEW QUESTION # 33
What is the primary purpose of creating a security policy in a repository?
- A. To customize the repository's Dependabot configuration
- B. To define which types of secrets are blocked with push protection
- C. To ensure that peer code review occurs before new changes are merged
- D. To describe how security vulnerabilities should be responsibly disclosed
Answer: D
Explanation:
The primary purpose of creating a security policy in a GitHub repository is to guide users and contributors on how to report security vulnerabilities in a responsible and secure manner. This policy outlines the preferred method of communication, timelines, and any other pertinent information related to handling security issues.
Security Policy:
Option C is correct because a security policy provides guidelines for responsibly disclosing security vulnerabilities. This helps maintainers respond to and address security concerns promptly and securely, thereby protecting the project and its users.
Incorrect Options:
Option A is incorrect because ensuring peer code review is a best practice for code quality, but it is not the primary purpose of a security policy.
Option B is incorrect because push protection for secrets is managed through repository settings, not the security policy.
Option D is incorrect because customizing Dependabot configuration is related to dependency management, not directly to security policies.
Reference:
GitHub Docs: Adding a Security Policy to Your Repository
NEW QUESTION # 34
Which of the following are available statuses of a pull request?
(Each answer presents a complete solution. Choose four.)
- A. Draft
- B. Modified
- C. Closed
- D. Merged
- E. Rebasing
- F. Open
Answer: A,C,D,F
Explanation:
Pull requests (PRs) on GitHub can have several statuses that indicate their current state in the development and review process:
Draft:
Option A is correct. A pull request can be in a "Draft" status, indicating that it is a work in progress and not yet ready for review.
Closed:
Option B is correct. A pull request can be "Closed" without being merged, which might happen if the proposed changes are not needed or are incorporated differently.
Merged:
Option D is correct. A pull request that has been reviewed and approved can be "Merged" into the target branch, indicating that the changes have been successfully incorporated.
Open:
Option F is correct. An "Open" pull request is one that is active and awaiting review or further action.
Incorrect Options:
Option C (Rebasing) is incorrect because "Rebasing" is not a status; it's an operation that can be performed on branches.
Option E (Modified) is incorrect because there is no "Modified" status for pull requests.
Reference:
GitHub Docs: About Pull Requests
NEW QUESTION # 35
What are the defining features of Git?
- A. Centralized version control, proprietary software, and being designed for small projects
- B. Distributed version control, open source software, and being designed for handling projects of any size with efficiency
- C. Low-cost local branching, convenient staging areas, multiple workflows, and being designed for managing small projects
- D. Sequential version control, cloud-based hosting service, and being designed for collaboration on large projects
Answer: B
Explanation:
Git is a widely-used version control system that has several defining features:
Distributed Version Control:
Git is a distributed version control system, meaning that every developer has a full copy of the entire repository, including its history, on their local machine. This enables greater flexibility, as work can be done offline and each user has access to the full project history.
Open Source Software:
Git is open-source, meaning its source code is freely available for use, modification, and distribution. This fosters a large community of users and contributors who continuously improve the software.
Efficiency with Large Projects:
Git is designed to handle projects of any size with speed and efficiency. It can manage large codebases and many contributors without significant performance degradation, making it suitable for everything from small personal projects to large, complex software systems.
Incorrect Options:
Option B is incorrect because Git is not a sequential version control system, nor is it inherently tied to cloud-based services. GitHub, GitLab, and other platforms offer cloud hosting for Git repositories, but Git itself is a version control tool.
Option C is incorrect because Git is not limited to small projects; it is designed to scale efficiently, and the other features mentioned are only partial descriptions of Git's capabilities.
Option D is incorrect because Git is not a centralized version control system; it is distributed. Additionally, Git is open-source, not proprietary, and is used for projects of all sizes.
Reference:
Pro Git Book: What is Git?
Git Documentation: Distributed Version Control
GitHub Docs: Understanding the Git Workflow
NEW QUESTION # 36
How can a user create a repository template, and what permissions are required?
- A. With Admin permissions, navigate to Organization settings, select the repository, and choose Template Repository.
- B. With Maintain permissions, navigate to Repository settings and select Template Repository.
- C. With Maintain permissions, navigate to Organization settings, select the repository, and choose Template Repository.
- D. With Admin permissions, navigate to Repository settings and select Template Repository.
Answer: D
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 # 37
What are three valid states for a file in a git repository?
(Each correct answer presents part of the solution. Choose three.)
- A. Committed
- B. Modified
- C. Staged
- D. Tracked
- E. Uncommitted
Answer: A,B,C
Explanation:
In a Git repository, a file can be in one of the following three valid states:
Committed: The file is saved in the local repository. It is part of the permanent history of the project.
Modified: The file has been changed but not yet staged or committed. It is in the working directory.
Staged: The file has been marked to be included in the next commit. It is in the staging area, ready to be committed.
These states represent the typical lifecycle of a file as it moves through the process of being edited, reviewed, and saved in Git.
NEW QUESTION # 38
What qualifier finds issues that mention a certain user?
- A. Smentioned:
- B. threads:
- C. mentioned:
- D. mentions:
Answer: D
Explanation:
The qualifier mentions: is used in GitHub's search functionality to find issues that mention a certain user. For example, if you want to find all issues where a specific user is mentioned, you would use mentions:username. This helps in tracking where a user has been involved in discussions across issues or pull requests.
NEW QUESTION # 39
Which of the following best describes GitHub Pages?
- A. Webpages hosted and published through GitHub repositories
- B. Curated guides around how to use GitHub products
- C. Handles pagination for API requests
- D. Hosts long-form documentation about your project
Answer: A
Explanation:
GitHub Pages is a feature provided by GitHub that allows you to create webpages hosted and published through GitHub repositories. It is commonly used for hosting project documentation, personal websites, or blogs directly from a GitHub repository. It integrates seamlessly with the repository, making it easy to deploy and manage website content.
NEW QUESTION # 40
What is the minimum access needed to contribute to a repository?
- A. Triage
- B. Read
- C. Maintain
- D. Write
Answer: D
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.
Incorrect Options:
Option A (Read) is incorrect because "Read" access only allows viewing the repository, not making changes.
Option B (Triage) is incorrect because while Triage access allows managing issues and pull requests, it does not allow pushing code.
Option C (Maintain) is incorrect because "Maintain" access includes additional permissions beyond those needed for basic contributions, such as managing repository settings.
Reference:
GitHub Docs: Repository Roles for an Organization
NEW QUESTION # 41
What are the two main reasons why one might fork a repository?
(Each answer presents a complete solution. Choose two.)
- A. To create an issue or open a discussion
- B. To propose changes to the base repository
- C. To create a new repository based on an existing one
- D. To create a new branch to develop a new feature
Answer: B,C
Explanation:
Forking a repository on GitHub is a common practice, especially when contributing to open-source projects or when you want to build on existing work. Here are the two main reasons for forking a repository:
B . To propose changes to the base repository:
One of the primary reasons for forking a repository is to make changes or improvements that you can later propose to the original repository (often called the "upstream" repository). This is typically done through a pull request. By forking the repository, you get your own copy of the project where you can freely experiment, make changes, and then propose those changes back to the original project.
C . To create a new repository based on an existing one:
Forking is also used to create a new repository that is a copy of an existing one. This allows you to work on the project independently of the original repository, effectively creating a new direction for the project or using it as a starting point for a different purpose. This is particularly useful for customization, experimentation, or when you want to build something different while still leveraging the existing codebase.
Explanation of Other Options:
A . To create an issue or open a discussion:
This is incorrect because creating an issue or opening a discussion can be done directly on the original repository without needing to fork it. Forking is unnecessary for these actions.
D . To create a new branch to develop a new feature:
While creating a new branch is related to development, it does not require a fork. Branches are typically created within the same repository to work on new features. Forking is used when you need an entirely separate copy of the repository.
Given this information, the correct answers are B and C.
Reference:
GitHub Documentation: Fork a repo
GitHub Documentation: About forks
NEW QUESTION # 42
How are commits related to pull requests?
- A. Commits can only be made before a pull request is created.
- B. Commits are made on a pull request that can have a linked branch.
- C. Commits can only be made after a pull request is created.
- D. Commits are made on a branch that can have a linked pull request.
Answer: D
Explanation:
Commits and pull requests (PRs) are fundamental concepts in Git and GitHub workflows, particularly in collaborative software development.
Commits:
Commits are individual changes or updates made to the codebase. Each commit is identified by a unique SHA-1 hash and typically includes a commit message describing the changes.
Commits are made to a specific branch in the repository. The branch could be the main branch, or more commonly, a feature branch created for specific work or a feature.
Pull Requests (PRs):
A pull request is a mechanism for developers to notify team members that a branch is ready to be merged into another branch, usually the main branch.
PRs are used to review code, discuss changes, and make improvements before the branch is merged into the target branch.
Relationship Between Commits and PRs:
Option A is correct because commits are made on a branch, and this branch can have a pull request associated with it. The pull request tracks the branch's commits and allows for code review before merging into the target branch.
Commits can be added to the branch both before and after the pull request is created. Any new commits pushed to the branch are automatically included in the pull request.
Incorrect Options:
Option B is incorrect because commits can be made both before and after a pull request is created.
Option C is incorrect because it suggests that commits can only be made before a pull request is created, which is not true.
Option D is incorrect because commits are not made on a pull request; they are made on a branch. The pull request links a branch to another branch (e.g., feature branch to the main branch).
Reference:
GitHub Documentation: About Pull Requests
GitHub Docs: Understanding the GitHub Flow
Git Documentation: Git Basics - Getting a Git Repository
NEW QUESTION # 43
Which of the following best describes a Codespace?
- A. An AI pair programmer that offers autocomplete-style suggestions
- B. A development environment hosted in the cloud
- C. A lightweight editing experience that runs entirely in your browser
- D. A Visual Studio Code plug-in to manage local devcontainers
Answer: B
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.
Incorrect Options:
Option A is partially correct in that Codespaces can be accessed and used in a browser, but the defining feature is that it's a full development environment, not just a lightweight editor.
Option B is incorrect because this describes GitHub Copilot, not Codespaces.
Option D is incorrect because Codespaces is not a Visual Studio Code plug-in; it is a cloud-based service that integrates with Visual Studio Code.
Reference:
GitHub Docs: About GitHub Codespaces
NEW QUESTION # 44
Which of the following options is available as a default Discussion category?
- A. Show and tell
- B. Security concern
- C. Daily check-in
- D. Bug report
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 # 45
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. Install the GitHub App that was provided by the vendor.
- C. Search the GitHub Marketplace for Actions by the vendor.
- D. Confirm that the action has a verification badge.
- E. Search the vendor's website for a github.yaml index.
- F. Create a new workflow file.
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 # 46
Which of the following best describes GitHub Copilot?
- A. An advanced search tool to intelligently reuse existing code in your projects
- B. An AI tool designed to replace software developers
- C. A Visual Studio Code extension for developing AI solutions
- D. An AI pair programmer that offers autocomplete-style suggestions
Answer: D
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 # 47
What is the difference between an organization member and an outside collaborator?
- A. Two-factor authentication (2FA) is not required for outside collaborators.
- B. Outside collaborators cannot be given the admin role on a repository.
- C. Outside collaborators do not consume paid licenses.
- D. Organization base permissions do not apply to outside collaborators.
Answer: D
Explanation:
In GitHub, an organization member is a user who has been added to an organization and is subject to the organization's base permissions and policies. An outside collaborator is a user who is not a member of the organization but has been granted access to one or more repositories within the organization.
Here's the difference between an organization member and an outside collaborator:
Organization Members:
Members are subject to the organization's base permissions, which apply across all repositories within the organization. These permissions might include read, write, or admin access, depending on what has been set as the default.
Members consume paid licenses if the organization is on a paid plan.
Members are required to have two-factor authentication (2FA) if the organization enforces it.
Outside Collaborators:
Outside collaborators do not have organization-wide permissions. They only have access to specific repositories to which they have been granted permission. This means organization base permissions do not apply to them (making option A correct).
Outside collaborators do not consume paid licenses. They are only counted toward the license if they are made organization members.
Outside collaborators can be granted any level of permission, including the admin role on specific repositories.
Two-factor authentication (2FA) can be enforced for outside collaborators at the repository level, depending on the organization's security settings.
Given this information, option A is the correct answer: "Organization base permissions do not apply to outside collaborators." Reference:
GitHub Documentation: Roles in an organization
GitHub Documentation: About outside collaborators
GitHub Documentation: Managing repository access for your organization
NEW QUESTION # 48
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GH-900 Exam questions and answers: https://www.passleadervce.com/GitHub-Administrator/reliable-GH-900-exam-learning-guide.html
Pass GH-900 Exam Info and Free Practice Test: https://drive.google.com/open?id=1BlE1H6Qd3s-RlAWbys-YbYPAWh4o99CL