A 2.1 Network fundamentals
Network fundamentals cover the purpose and characteristics of different networks, including LANs, WANs, PANs, and VPNs. Key components of modern digital infrastructure like the internet, cloud computing, and edge computing are explored, along with their benefits and limitations. Network devices such as routers, switches, and firewalls, and their roles in the TCP/IP model are described. Finally, the functions of...