Introduction to Networking
This course provides a hands-on introduction to computer networking, the foundation that allows devices, servers, and the internet to communicate. You’ll learn how data travels across networks, understand the core concepts that power the web, and get comfortable working with real-world networking tools and protocols. From IP addresses and routers to DNS and firewalls, this course breaks down complex networking ideas into simple, practical lessons. Whether you’re preparing for a career in IT, cybersecurity, or web development, Networking Basics will help you understand how everything connects behind the scenes.
What you'll learn
How networks and the internet work
The OSI and TCP/IP models explained
IP addressing, subnetting, and routing fundamentals
Common networking devices (routers, switches, modems, firewalls)
DNS, DHCP, and NAT in action
How data moves using protocols like HTTP, HTTPS, FTP, and SMTP
Network troubleshooting with ping, traceroute, and Wireshark
Basics of wireless networking and network security