Introduction to Computer Networking and Internet Technologies

Computer networks power the modern digital world, enabling global communication and data sharing across billions of devices. Understanding the fundamentals of networking is an essential step for anyone starting their journey in computer science and information technology. This course provides a clear, structured introduction to core networking principles, hardware components, and transmission protocols. You will start with foundational terminology and structural models before exploring how data travels across local networks and the internet. What you will learn: Learn foundational networking terminology, hardware roles, and network topologies. Understand the OSI and TCP/IP reference models and data encapsulation. Explore IP addressing, DNS functionality, and basic routing concepts. Examine modern web protocols, wireless standards, and cloud networking basics. Apply core network security principles and basic troubleshooting methods. The material begins with essential concepts and definitions before progressing to internet protocols and modern network architecture. Designed for absolute beginners and students, this course requires no prior technical background. Start reading today to build a solid foundation in network information technologies.