Networking Essentials and TCP/IP Basics for IT Technicians

Every aspiring IT professional needs a solid grasp of how data moves across networks. Understanding the fundamentals of networking and the TCP/IP protocol suite is the gateway to troubleshooting and managing modern IT systems. This text-based course guides you through foundational networking principles, from physical cabling to IP addressing and modern security concepts. You will gain the practical knowledge required to diagnose connectivity issues and support organizational networks with confidence. What you'll learn: Understand core networking models, including the OSI and TCP/IP frameworks; Identify physical network media, hardware components, and cabling standards; Configure and troubleshoot IP addressing, subnetting, and routing protocols; Explore modern cloud networking fundamentals and virtual private networks; Apply essential network security practices and zero-trust access concepts; Diagnose common connectivity issues using standard command-line tools. The course starts with basic terminology and foundational network architectures before progressing to IP addressing, hardware configurations, and real-world troubleshooting scenarios. Designed specifically for beginners, this course requires no prior networking experience and is ideal for anyone preparing for a career in IT support. Start reading today to master the building blocks of modern computer networks.