IT Networking - Learn the Essentials in 2026!

IT Networking — Learn the Essentials in 2026 is a beginner-friendly course designed to give students a clear, practical understanding of how networks operate, covering the core concepts and skills that form the foundation of virtually every IT role and certification pathway.

The course begins with networking fundamentals including the different types of networks and how they function, before progressing through essential networking devices including routers, switches, hubs, access points, and firewalls. IP addressing is covered in accessible detail, including IPv4 and IPv6, subnetting fundamentals, and the difference between public and private addressing.

Both the OSI and TCP/IP models are explained in a logical, practical way, focusing on how understanding them supports real-world troubleshooting and network design. Common networking protocols including HTTP, HTTPS, DNS, and DHCP are covered alongside network cables, ports, and physical interfaces. Network topologies and their respective advantages and disadvantages are explored, followed by network performance concepts including bandwidth, throughput, latency, and jitter.

The course concludes with an introduction to structured network troubleshooting, covering the tools and techniques used to diagnose and resolve common connectivity issues.

Please note that this course is intended for educational purposes only.

The course is designed for complete beginners with no prior IT or networking experience, IT career starters building foundational knowledge, certification candidates preparing for CompTIA Network+ or Cisco CCNA, non-technical professionals in IT-adjacent roles wanting a better understanding of the technology around them, students supplementing their coursework, and career changers exploring networking as a potential direction.

Upon completion, students receive a Certificate of Completion suitable for adding to a résumé or LinkedIn profile.