Network Journey

A structured path from networking beginner to expert engineer. Complete levels, earn XP, and build real skills — one lesson at a time.

Sign in or create a free account to track your progress, earn XP, and unlock levels.
Networking Fundamentals
20 levels
Level 1
What is a Network?
Locked
Level 2
Network Types: LAN, WAN, and MAN
Locked
Level 3
The OSI Model
Locked
Level 4
OSI Layers Deep Dive
Locked
Level 5
The TCP/IP Model
Locked
Level 6
IP Addressing Basics
Locked
Level 7
IPv4 Address Classes
Locked
Level 8
Subnetting Introduction
Locked
Level 9
Subnet Masks
Locked
Level 10
CIDR Notation
Locked
Level 11
Binary and Subnetting
Locked
Level 12
IPv6 Basics
Locked
Level 13
MAC Addresses
Locked
Level 14
ARP — Address Resolution Protocol
Locked
Level 15
DHCP — Dynamic Host Configuration Protocol
Locked
Level 16
DNS — Domain Name System
Locked
Level 17
How Packets Travel Through a Network
Locked
Level 18
Routers vs Switches
Locked
Level 19
Network Topologies
Locked
Level 20
Physical Media and Cabling
Locked