Computer Networks. IGCSE ICT Section 4. Introduction. Objective: To be acquainted with: The definitions of networking Network topology Network peripherals, hardware and software. Network Definition.
IGCSE ICT Section 4
To be acquainted with:
There are different types of servers, e.g.
Local Area Network
Wireless Local Area Network (WLAN)
Wide Area Network (WAN)
(b) one example of a WAN.
These days hubs are not common. They have been replaced by switches.
A common use of a router is to join a LAN to the Internet (WAN).
A proxy server can also act as a data filter, only allowing data packets that conform to company policy. E.g. blocking certain websites at certain times.