Networking — Tier 1 (Junior)

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

278XP

0/5lessons

3levels

1
Data on the movefree
0/2
Start with the layers, then learn how machines get an address.
- The network stack: why layers exist12 min · 40 XP
- IP addresses, masks and subnets14 min · 42 XP
Delivery and names
0/2
How packets are made reliable, and how names become addresses.
Finish the previous level to open this one.
Talking to servers
0/1
Turn all of it into a real request and response.
Finish the previous level to open this one.
Grade boss: final challenge
+70 XP
Finish every level to unlock the final challenge.