Computer Networking Fundamentals: Architecture, Protocols, and Security

Computer networks form the digital backbone of modern communication and IT infrastructure. This comprehensive text course guides you through the foundational concepts of networking, helping you understand how data moves across systems securely and efficiently. You will gain a clear grasp of network design, hardware roles, standard communications protocols, and essential security practices needed to manage connected environments. What you will learn: Understand essential networking terminology, the OSI model, and TCP/IP protocol suites. Examine network architectures including LAN, MAN, and WAN configurations. Analyze core network topologies such as star, mesh, ring, and bus setups. Master routing, switching, IP addressing, and modern IPv6 standards. Apply network security fundamentals, including firewalls, encryption, and zero-trust concepts. The written course content begins with key terminology and foundational definitions before progressing to practical network structures, traffic routing, and current security strategies. Designed specifically for beginners, this course requires no prior technical background or networking experience. Start reading today to build your understanding of computer networking.