What you need to know

Networks

(a) explain the advantages of networking stand-alone computers into a local area network
(b) describe the hardware needed to connect stand-alone computers into a local area network, including hubs and switches and wireless access points
(c) explain the different Client Server and Peer to Peer roles of computers in a client-server and a peer-to-peer network
(d) describe, using diagrams or otherwise, the ring, bus and star network topologies
(e) describe the differences between a local area network and a wide area network such as the Internet
(f) explain the terms IP addressing, MAC addressing, packet and protocols
(g) explain the need for security measures in networks, such as user access levels, suitable passwords and encryption techniques
(h) describe and justify network policies such as acceptable use, disaster recovery, failover, back up, archiving.