A complete Computer Networks repository for Software Engineering interviews, Google SDE preparation, placements, and quick revision.
This repository is designed to help students and software engineers master Computer Networks from beginner to interview level.
It is specially created for:
- Google SDE
- Amazon SDE
- Microsoft
- Atlassian
- Adobe
- Walmart
- Product-Based Companies
- College Placements
- Computer Science Students
| Metric | Count |
|---|---|
| 📁 Chapters | 20 |
| 📄 Markdown Files | 250+ |
| ❓ Interview Questions | 500+ |
| 🧪 Hands-on Labs | 40+ |
| 🌍 Real-World Examples | 100+ |
| 📋 Cheat Sheets | 20 |
| 🧠 Mind Maps | 20 |
| ⚡ Quick Revision Notes | 20 |
| ❌ Common Mistakes | 20 |
| 💬 FAQs | 20 |
| Status | Value |
|---|---|
| 📚 Chapters | ✅ Complete |
| 🛠️ Actively Maintained | ✅ Yes |
| 🎯 Interview Ready | ✅ Yes |
| 🌍 Open Source | ✅ Yes |
| 📖 Beginner Friendly | ✅ Yes |
| Chapter | Topic |
|---|---|
| 01 | Introduction |
| 02 | OSI Model |
| 03 | TCP/IP Model |
| 04 | IP Addressing |
| 05 | Subnetting |
| 06 | MAC Address |
| 07 | ARP |
| 08 | DNS |
| 09 | DHCP |
| 10 | HTTP & HTTPS |
| 11 | TCP |
| 12 | UDP |
| 13 | Socket Programming |
| 14 | Routing |
| 15 | Switches & Routers |
| 16 | NAT |
| 17 | Firewalls |
| 18 | Network Security |
| 19 | Network Troubleshooting |
| 20 | Computer Networks Interview Revision |
- ✅ Beginner Friendly
- ✅ Google Interview Focused
- ✅ Real World Examples
- ✅ Hands-on Labs
- ✅ Interview Questions
- ✅ Quick Revision Notes
- ✅ Cheat Sheets
- ✅ Mind Maps
- ✅ Common Mistakes
- ✅ FAQs
Introduction
↓
OSI Model
↓
TCP/IP Model
↓
IP Addressing
↓
Subnetting
↓
MAC Address
↓
ARP
↓
DNS
↓
DHCP
↓
HTTP & HTTPS
↓
TCP
↓
UDP
↓
Socket Programming
↓
Routing
↓
Switches & Routers
↓
NAT
↓
Firewalls
↓
Network Security
↓
Network Troubleshooting
↓
Interview Revision
Computer-Networks-Mastery
│
├── assets/
│ └── banner.png
│
├── templates/
│
├── 01-Introduction
├── 02-OSI-Model
├── 03-TCP-IP-Model
├── 04-IP-Addressing
├── 05-Subnetting
├── 06-MAC-Address
├── 07-ARP
├── 08-DNS
├── 09-DHCP
├── 10-HTTP-HTTPS
├── 11-TCP
├── 12-UDP
├── 13-Socket
├── 14-Routing
├── 15-Switches-and-Routers
├── 16-NAT
├── 17-Firewalls
├── 18-Network-Security
├── 19-Network-Troubleshooting
├── 20-Computer-Networks-Interview-Revision
│
├── README.md
├── LICENSE
├── CHANGELOG.md
├── CONTRIBUTING.md
├── CODE_OF_CONDUCT.md
├── SECURITY.md
├── SUPPORT.md
├── .gitignore
└── create-chapter.ps1
- 👨🎓 Students
- 👨💻 Software Engineers
- 🌱 Beginners
- 💼 Placement Preparation
- 🚀 Google Interview Preparation
- 📚 Computer Science Learners
Every chapter includes:
- 📖 Theory
- 🖼️ Diagrams
- 💡 Real-World Examples
- 🧪 Hands-on Labs
- ❓ Google Interview Questions
- 📋 Cheat Sheets
- 🧠 Mind Maps
- ⚡ Quick Revision Notes
- Networking Fundamentals
- OSI Model
- TCP/IP Model
- IPv4 & IPv6
- Subnetting
- MAC Address
- ARP
- DNS
- DHCP
- HTTP & HTTPS
- TCP
- UDP
- Socket Programming
- Routing
- Switches & Routers
- NAT (Network Address Translation)
- Firewalls
- Network Security
- Network Troubleshooting
- Start with Chapter 1 – Introduction.
- Study every chapter in order.
- Complete all hands-on labs.
- Practice interview questions.
- Revise using Cheat Sheets and Mind Maps.
- Use Quick Revision notes before interviews.
- 📘 20 Structured Chapters
- 🎯 Google Interview Focused
- 🧪 Practical Hands-on Labs
- 🌍 Real-World Examples
- ❓ 500+ Interview Questions
- 📋 Cheat Sheets
- 🧠 Mind Maps
- ⚡ Quick Revision Notes
- 💬 FAQs
- ❌ Common Mistakes
Contributions are always welcome!
Please read CONTRIBUTING.md before opening a Pull Request.
Saikumar Kadiri
This project is licensed under the MIT License.
If you found this repository helpful:
- ⭐ Star this repository
- 🍴 Fork it
- 📢 Share it with others
- 💡 Suggest improvements
Thank you for your support!
Happy Learning! 🚀