Computer Networking Foundations: Protocols and Architecture

Computer networks form the backbone of modern technology, enabling seamless communication across devices globally. Understanding how data moves across networks is a critical skill for anyone entering the IT field. This course breaks down complex networking topics into accessible, easy-to-digest explanations. You will start by learning basic networking terminology, hardware roles, and topology structures before moving into protocol layers and addressing. What you'll learn: Understand fundamental networking terms, network types, and physical topologies; Master the OSI seven-layer model and the TCP/IP protocol suite; Apply IPv4 and IPv6 addressing, subnetting calculations, and routing basics; Learn how key network services function, including DNS, DHCP, and NAT; Explore modern network security best practices, firewalls, and zero-trust concepts; Analyze written networking scenarios to understand connectivity principles. The course content begins with clear foundational definitions before advancing through routing concepts, essential protocols, and current security practices. Designed specifically for beginners, this course requires no prior networking knowledge. Start reading today to establish a strong technical baseline in computer networking.