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Junior · networking

Networking — Tier 1 (Junior)

How computers talk: the stack, IP, TCP/UDP, DNS, HTTP.

Lessons
5
XP
208

Prerequisites

Lessons

  1. The network stack: why layers exist12 min · 40 XP
  2. IP addresses, masks and subnets14 min · 42 XP
  3. TCP and UDP: reliable vs fast12 min · 40 XP
  4. DNS: turning names into addresses13 min · 42 XP
  5. HTTP: requests, responses, statuses15 min · 44 XP