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| Section | Weight | Objectives |
|---|---|---|
| Introduction to Git and GitHub | 25% | - GitHub entities
|
| GitHub Community | 5-10% | - Open source
|
| Working with GitHub Repositories | 20% | - Repository features
|
| Collaboration Features | 20% | - Pull Requests
|
| Privacy, Security, and Administration | 10-15% | - Security and access management
|
| Project Management | 15% | - GitHub Projects
|
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NEW QUESTION # 81
What are the defining features of Git?
Answer: C
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.
References:
Pro Git Book: What is Git?
Git Documentation: Distributed Version Control
GitHub Docs: Understanding the Git Workflow
NEW QUESTION # 82
You are part of a global development team working on a shared project. Some team members are offline or in different time zones. You want to ensure everyone can work independently while still contributing to the same codebase. You also want to maintain a full history of the project, including who made which changes and when. Which features or characteristics of Git support this collaborative workflow effectively? (Choose three.)
Answer: B,D,E
Explanation:
Git enables seamless collaboration by allowing developers to work independently using branches while maintaining a complete history of changes, ensuring transparency. Since Git is distributed, each contributor has a full copy of the repository, enabling offline work and eliminating reliance on a central server.
Option B is CORRECT because Branching lets developers work on different features or fixes simultaneously without interfering with the main codebase. Changes can be merged later when they are ready.
Option C is CORRECT because Git is a distributed version control system (DVCS). Every contributor has the entire project history locally, allowing them to work independently of others.
Option D is CORRECT because Git maintains a full history of all commits, tracking when changes were made, who made them, and often the reason behind them (through commit messages).
This provides transparency and accountability in a collaborative workflow.
Reference:
https://docs.github.com/en/get-started/using-git/about-git
NEW QUESTION # 83
In GitHub flow, what is the primary operation when a pull request is approved?
Answer: B
Explanation:
Key Features of GitHub Flow
* Main Branch (main): This branch always contains deployable, production-ready code.
* Feature Branches: Developers create a new branch for each feature or bug fix. Once work on a feature is completed, a pull request (PR) is opened for review and merging into the main branch.
*-> Pull Requests: Once the feature branch is complete, a pull request is created to merge it into the main branch. The PR is reviewed and, once approved, is merged into main.
Reference:
https://www.geeksforgeeks.org/git/git-flow-vs-github-flow/
NEW QUESTION # 84
What are the two main reasons why one might fork a repository?
(Each answer presents a complete solution. Choose two.)
Answer: A,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 .
References:
GitHub Documentation: Fork a repo
GitHub Documentation: About forks
NEW QUESTION # 85
As a repository admin, which alerts can you see from the security tab of a repository? (Each answer presents a complete solution. Choose three.)
Answer: B,C,E
NEW QUESTION # 86
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