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Computer Networking Fundamentals Course
freeCodeCamp.org 12h 19m EN published 2026-02-18
Why LearnPath recommends it
Twelve hours published February 2026 — the most complete and current networking course verified: OSI and TCP/IP models, Ethernet, IP addressing, routing, DNS, HTTP, TLS, plus troubleshooting with real tools.
Editorial review dimensions (1–5), assigned by LearnPath editors — not a computed score. Last reviewed 2026-09-12.
What you walk away with
Explain how a packet travels from browser to server
Subnet and address networks
Use ping, traceroute, dig and packet captures to diagnose problems