OSI Model & TCP/IP Basics — Roadmap Step & Resources
Network layers, encapsulation and how data actually travels between machines
- Level: beginner
- Estimated time: 1 days
- Roadmap: System Design
Interview questions
- Walk through what happens at each OSI layer when a client sends a request
Study resources
- OSI Model Explained (Article) — Cloudflare's widely-cited, clear explanation of the seven OSI layers.
- System Design for Beginners Course (Video) — A detailed, well-regarded introduction to system design covering the core building blocks used throughout this roadmap.
- Networking Fundamentals for Cybersecurity (Video) — NetworkChuck's practical introduction to networking concepts security professionals need.
Part of
- Networking & Web Fundamentals — section
- System Design roadmap — the full learning path