Introduction

Git is one of the most frequently asked topics in Software Engineering, DevOps, Cloud, Platform Engineering, and Site Reliability Engineering interviews.

This guide contains commonly asked interview questions ranging from beginner to senior architect level, including enterprise Git workflows and production scenarios.

---

Learning Objectives

After completing this guide, you should be able to answer interview questions on:

• Git Fundamentals
• Git Architecture
• Git Internals
• Git Branching
• Merge Strategies
• Rebase
• Cherry-pick
• Stash
• GitHub Workflows
• Pull Requests
• Git Hooks
• Git LFS
• Git Security
• Production Scenarios
• Best Practices

---

Interview Question Categories

Section 1 — Git Fundamentals

Topics

• What is Git?
• Why Git?
• Version Control
• Git vs SVN
• Distributed Version Control
• Git Architecture
• Repository
• Working Directory
• Staging Area
• Local Repository
• Remote Repository
• Commit Lifecycle

Approximate Questions: 20

---

Section 2 — Git Commands

Topics

• git init
• git clone
• git status
• git add
• git commit
• git log
• git diff
• git show
• git restore
• git rm
• git mv
• git tag

Approximate Questions: 15

---

Section 3 — Branching & Merging

Topics

• Branch
• Merge
• Fast Forward Merge
• Three-way Merge
• Merge Commit
• Merge Conflict
• Conflict Resolution
• Feature Branch
• Release Branch
• Hotfix Branch

Approximate Questions: 20

---

Section 4 — Rebase & Cherry-pick

Topics

• Rebase
• Interactive Rebase
• Merge vs Rebase
• Cherry-pick
• Squash
• Edit Commit
• Reorder Commits

Approximate Questions: 15

---

Section 5 — Reset, Restore & Revert

Topics

• Soft Reset
• Mixed Reset
• Hard Reset
• Restore
• Revert
• Undo Commit
• Undo Push

Approximate Questions: 10

---

Section 6 — Git Internals

Topics

• Blob
• Tree
• Commit Object
• Tag Object
• SHA
• Object Database
• HEAD
• Detached HEAD
• Refs
• Index

Approximate Questions: 15

---

Section 7 — Remote Repository

Topics

• Origin
• Upstream
• Clone
• Fetch
• Pull
• Push
• Remote Branches
• Tracking Branches

Approximate Questions: 10

---

Section 8 — GitHub Collaboration

Topics

• Pull Requests
• Code Review
• Branch Protection
• Protected Branches
• Fork
• Collaboration
• Review Process

Approximate Questions: 10

---

Section 9 — Advanced Git

Topics

• Git Hooks
• Git LFS
• Git Submodules
• Git Subtree
• Git Worktree
• Git Bisect
• Git Reflog
• Git Garbage Collection

Approximate Questions: 15

---

Section 10 — Enterprise Git Workflow

Topics

• Git Flow
• GitHub Flow
• GitLab Flow
• Trunk-Based Development
• Release Management
• Semantic Versioning
• CI/CD Integration
• Deployment Workflow

Approximate Questions: 15

---

Section 11 — Production Scenarios

Topics

• Recover Deleted Commit
• Recover Deleted Branch
• Resolve Merge Conflict
• Recover After Hard Reset
• Undo Wrong Commit
• Cherry-pick Production Fix
• Rollback Release
• Detached HEAD Recovery
• Force Push Recovery
• Large Repository Optimization

Approximate Questions: 20

---

Recommended Diagram Topics

• Git Architecture
• Git Commit Lifecycle
• Branch Workflow
• Merge Workflow
• Rebase Workflow
• Cherry-pick Workflow
• Git Flow
• GitHub Flow
• Trunk-Based Development
• Pull Request Workflow
• Release Workflow
• Git Object Model
• CI/CD Integration
• Enterprise Development Workflow

---

Common Commands Covered

• git init
• git clone
• git status
• git add
• git commit
• git log
• git diff
• git restore
• git reset
• git revert
• git rebase
• git merge
• git cherry-pick
• git stash
• git reflog
• git bisect
• git gc
• git fsck
• git tag
• git push
• git pull
• git fetch

---

Best Practices

• Write meaningful commit messages.
• Keep commits small and focused.
• Use feature branches.
• Protect the main branch.
• Prefer Pull Requests for collaboration.
• Rebase feature branches before merging when appropriate.
• Avoid force-pushing to shared branches.
• Tag production releases.
• Resolve conflicts early.
• Review code before merging.

---

Interview Summary

This guide prepares you for Git interview questions across:

• Software Engineer
• Senior Software Engineer
• Java Developer
• Full Stack Developer
• DevOps Engineer
• Cloud Engineer
• Platform Engineer
• Site Reliability Engineer (SRE)
• Technical Lead
• Solution Architect

It covers Git fundamentals, advanced workflows, Git internals, collaboration models, enterprise branching strategies, production troubleshooting, and best practices commonly discussed in technical interviews.

---