Computer Networks

From HTTP to TCP/IP: how data travels across the world, and how the web really works.

intermediate~35 hours11 topics~18h of lessonsRoadmap Level 3

The internet is the platform of modern software; knowing the layers explains how data really travels.

Learning Path
07 stages
11 topics · 7 stages0/11 completed
01

Fundamentals

Start from zero. Build the vocabulary.

Networks and the OSI/TCP-IP Models~60 minbeginnerIP Addressing and Subnetting~75 minbeginner
02

Core Concepts

The ideas you cannot skip.

TCP and UDP~90 minintermediateHTTP and the Web~75 minbeginnerDNS and the Domain Name System~45 minintermediate
03

Intermediate

Connect ideas and go deeper.

Routing and Forwarding~60 minintermediateNetwork Security: TLS, Firewalls, VPN~60 minintermediate
04

Advanced

Beyond the basics.

HTTP/2, HTTP/3 and CDNs~60 minadvanced
05

Practice

Solve problems until it sticks.

Practice Set: Network Problems~120 minintermediate
06

Projects

Apply everything in real work.

Project: TCP Chat App~360 minintermediate
07

Interview Prep

Convert knowledge into offers.

Networks Interview Questions~90 minadvanced