Networks

What this skill is about

Topics we drill

• Foundations: OSI & TCP/IP Models
• Physical & Data Link Layer
• MAC & Switching
• Network Layer & IP Addressing
• Routing
• Transport Layer
• Application Layer Protocols
• Network Security & TLS
• Sockets & Network Programming
• Performance & Reliability
• Cloud-Native & Software-Defined Networking

Why this matters at interviews

Real interviewers don’t just check if you know the syntax — they probe whether you’ve used the concept under production pressure. Our drills mirror that. Adaptive difficulty, named anti-patterns called out as you go, and a senior-staff voice that teaches the production vocabulary rather than dumbing it down.

Companies that test this