Unit 2: Communication

Networks including the internet

1 Show understanding of the purpose and benefits of networking devices

2 Show understanding of the characteristics of a LAN (local area network) and a WAN (wide area network)

3 Explain the client-server and peer-to-peer models of networked computers

4 Show understanding of thin-client and thick-client and the differences between them

5 Show understanding of the bus, star, mesh and hybrid topologies

6 Show understanding of cloud computing

7 Show understanding of the differences between and implications of the use of wireless and wired networks

8 Describe the hardware that is used to support a LAN

9 Describe the role and function of a router in a network

10 Show understanding of Ethernet and how collisions are detected and avoided

11 Show understanding of bit streaming

12 Show understanding of the differences between the World Wide Web (WWW) and the internet

13 Describe the hardware that is used to support the internet

14 Explain the use of IP addresses in the transmission of data over the internet

15 Explain how a Uniform Resource Locator (URL) is used to locate a resource on the World Wide Web (WWW) and the role of the Domain Name Service (DNS)