Description
This Book offers a comprehensive introduction to computer networks and the technologies that power the internet. It covers the fundamentals of data communication, network types and topologies, the OSI and TCP/IP reference models, IP addressing and subnetting, networking devices and network architecture, the internet and the World Wide Web, internet services and protocols, and network security and safe internet practices. This unit is designed to equip certificate-level Information Technology and Computer Science students with the practical and theoretical foundation required to understand how computers communicate over networks and how the internet connects the world.





