Learn · Must master
🌐 Networking
The wire at runtime — TCP, DNS, HTTP, TLS, and a debug-the-wire capstone.
Curriculum
Practice
Practice lives inside each lesson — the “Build This” and “Check Yourself” sections. For DSA, pair it with LeetCode/exercism problems named in the lesson.
Notes
Your notes and reflections live in the Journal — one line per session is enough to make it stick.
Interview questions
Each lesson ends with interview-style checks. For a full mock, use your Siemens goal and the Interview Guide.