Mastering Git and GitHub Practice Exam

Mastering Git and GitHub Practice Exam

About Mastering Git and GitHub Exam

The Mastering Git and GitHub exam evaluates an individual's proficiency in using Git and GitHub to effectively manage version control and collaboration within software development environments. It focuses on advanced features and tools available in Git and GitHub, including repository management, branching strategies, commit history, pull requests, and integration with DevOps workflows. This exam tests the candidate's ability to handle version control tasks, coordinate with team members, and automate workflows using Git and GitHub in real-world scenarios.

Skills Required

• Understanding Git workflows, including initialization, cloning repositories, staging, committing, and pushing changes.
• Mastery of creating, switching, and merging branches in Git and GitHub, and handling merge conflicts.
• Proficiency in using GitHub to manage remote repositories, create pull requests, handle issues, and review code.
• Knowledge of automating CI/CD pipelines using GitHub Actions for enhanced DevOps workflows.
• Proficiency in tracking changes, utilizing Git log, Git rebase, Git fetch, and Git pull to maintain and manage commit history effectively.
• Expertise in handling both public and private repositories, managing access control, and working with collaborators and teams.
• Understanding of advanced Git operations such as rebasing, cherry-picking, and submodules, and their applications in version control systems.

Who should take the Exam?

The exam is ideal for:

• Software Developers
• DevOps Engineers
• System Administrators
• Project Managers and Team Leads
• Individuals looking to deepen their Git and GitHub knowledge to enhance their skills and open doors to senior roles in development, DevOps, or software engineering.
• Anyone Interested in Mastering Version Control Systems

Course Outline

The Mastering Git and GitHub Exam covers the following topics - 

Domain 1 - Introduction to Git and Version Control

• The Necessity of Version Control and Git (Part 1)
• The Necessity of Version Control and Git (Part 2)
• How Version Control Systems Function
• Understanding Distributed Version Control Systems
• Installing Git on Your System
• Git CLI vs. Git Bash vs. Git GUI: A Comparison
• Basic Commands in Bash
• What Does a Git Commit Really Mean?
• Initializing Projects and Inspecting the .git Directory
• Configuring Git Credentials and Understanding Local, Global, and System Configurations
• Staging, Unstaging, and Checking the Status of Changes
• Committing: A Deeper Look with Use Case Scenarios

Domain 2 - Git: An In-Depth Exploration

• The Role of SHA1 Hashing Algorithm in Git
• Git Internals: Introduction to Object Database (Part 1)
• Git Internals: Understanding the Object Database (Part 2)
• Investigating Git Objects: Viewing and Reading Them
• Behavior of Blob Objects
• Managing Unused Objects with Garbage Collection and Pack Files
• Snapshot Concept in Git: What It Means to Create One
• Time Travel with Git: A Conceptual Overview
• Practical Time Travel Using Git

Domain 3 - Mastering Git Branches

• Operating Without Branches in Git
• Understanding Git Branches
• How Branches Provide Solutions to Complex Issues
• Git Branching: How It Works and the Concept of a Branch
• Branches in Action: Creating and Navigating Git Repositories
• The Significance of HEAD in Git: Detached State and Its Impact
• Reverting Changes with git reset HEAD
• Recovering Lost Changes with reflog

Domain 4 - Merging in Git

• The Process of a Fast-Forward Merge
• Demonstrating a Fast-Forward Merge in Practice
• Removing Branches and Recovering from Deletions
• Three-Way Merge: Concept and Understanding Merge Commits
• A Practical Guide to Three-Way Merges
• Resolving Merge Conflicts: What You Need to Know
• Handling Merge Conflicts in Practice: Part 1
• Handling Merge Conflicts in Practice: Part 2
• Setting Up Visual Studio Code for Git Operations
• Performing Git Operations in VS Code

Domain 5 - Git Rebasing: An Advanced Approach

• Rebase vs. Merge: Key Differences
• Rebasing in VS Code and Conflict Resolution
• Using Git Bash for Rebase: Skipping Conflicts and Aborting Rebase
• Introduction to Interactive Rebasing
• Rebase a Specific Commit or Branch: Step-by-Step Guide
• Rebase vs. Merge: When to Use Each Method

Domain 6 - Understanding Git Stashing

• What is Git Stashing and Its Use Cases?
• Applying Stashes Across Multiple Branches
• Retrieving Specific Stashes and Handling Conflicts
• Stashing Selective Changes: Working with Hunks
• Using Stashing Features in Visual Studio Code
• Deleting a Stash in Git

Domain 7 - Managing .gitignore in Git

• Why .gitignore Is Crucial for Git Repositories
• Practical Guide to .gitignore with Global Exclude Configurations
• Overriding .gitignore Rules and Debugging Patterns
• Ignoring Files That Were Previously Committed
• How to Generate .gitignore Files for Your Projects

Domain 8 - Introduction to GitHub

• Why Choose GitHub? GitHub vs. BitBucket vs. GitLab
• Setting Up a GitHub Account
• Exploring Public and Private Repositories on GitHub
• Committing Changes and Understanding the ReadMe File on GitHub
• Branch Creation and Management on GitHub

Domain 9 - Collaborating on GitHub

• Cloning Public Repositories and Other Options
• Cloning Private Repositories and Adding Collaborators
• Understanding Tracking Branches and the Default Branch
• Exploring Tracking Branches and Configuring Default Branches
• Understanding Remotes: Adding, Editing, and Deleting

Domain 10 - Git Fetch

• Understanding the Purpose of git fetch
• Using git fetch (Part 1): Command Variations and Checking Status
• git fetch in Action (Part 2): Exploring References and FETCH_HEAD
• Switching States Between Local and Remote Repositories
• Merging Changes Using FETCH_HEAD
• Fetching and Merging Changes in Visual Studio Code
• Keeping Local References Up to Date with git fetch

Domain 11 - The Git Pull Process

• Git Pull Explained
• Observing the Functionality of Git Pull in Practice
• Git Pull and Three-Way Merge: How It Works
• The Rebase Option in Git Pull: What You Need to Know
• Conflict Management with Git Pull and Rebase
• Using Stashing and Hard Reset in Conjunction

Domain 12 - Pushing Changes to Remote Repositories with Git

• Preparing for Contribution: Adding Collaborators and Setting Credentials
• Pushing Changes to Remote Branches: Using Git Bash and VS Code
• Raising and Managing Pull Requests
• Protecting Branches: Branch Protection Rules and Code Reviews
• Reviewing and Approving Changes, Publishing New Updates
• Exploring Merge Options and Understanding Commit Squashing
• Deleting Remote Branches Locally
• Resolving Conflicts via GitHub: Best Practices
• Understanding the Consequences of Force Pushes

Domain 13 - Forking and Contributing to Open-Source Projects

• What Is Forking and Why It’s Important
• Forking a Repository and Cloning to Local Machine
• Contributing Changes to a Forked Repository
• Syncing a Forked Repository with the Original Repository
• Pushing Changes to a Forked Repository
• Raising Pull Requests and Merging Updates in the Original Repository
• Exploring Existing Open-Source Projects

Domain 14 - Branching Strategies and Git Tags

• Explaining Branching Strategies
• Real-Life Scenarios for Branching Strategies
• Semantic Versioning in Git
• The Role of Tags in Git
• Implementing Branching Workflows
• Hot Fix Workflows in Git
• Creating and Managing Tags: Annotated vs. Lightweight
• Pushing Tags to Remote Repositories
• How Tags Are Stored and Detached Head State in Relation to Tags
• Creating Releases and Tags on GitHub

Domain 15 - Protecting Branches with Rules

• Dismissing Stale Pull Request Approvals
• Configuring Code Owners with Patterns and Automatic Review Requests
• Mandating Resolution of Conversations Before Merging
• Exploring Additional Branch Protection Rules

Domain 16 - Digital Signatures and Verified Commits

• The Importance of Verified Commits
• Understanding Digital Signatures and Signed Commits
• Generating Public and Private Keys Using GPG
• Exporting Public Keys and Updating GPG on GitHub
• Making Signed Commits and Verifying Them on GitHub
• Mandating Signed Commits in Git Repositories
• Signing Commits from VS Code