Explain the characteristics of networks  and the importance of different types of networks, including LAN and WAN

Describe the importance of common network topologies including BUS, RING,  STAR and MESH and their advantages and disadvantages

Explain the importance of connectivity, both wired and wireless

Explain and give advantages and disadvantages of circuit switching and packet switching

Explain the importance of the use of a range of contemporary network protocols including Ethernet Wi-Fi, TCP/IP, HTTP, HTTPS, FTP and email protocols

Explain the importance of layers and the TCP/IP 5-layer model

Describe methods of routing traffic on a network and calculate routing costs.

Explain how Domain Name System (DNS) servers and Internet Protocol (IP) addresses work