Transfer of Data in ICT systems

Question	Answer
Does an organisation that has a Wide Area Network own the communications infrastructure it uses?	No, telecom companies such as BT own all communications infrastructure
Describe a star topology	Each individual device has its own cable that connects it to a central server. Often used in businesses and in schools as they are usually very reliable.
What is a Switch and how does it work?	Is very similar to a hub but directs network traffic only to the intended recipient, thus cuts down on unnecessary network traffic. It does this by building up a table of addresses of computers on the network.
What is the most expensive type of topology to install?	Star
In which topology are there many paths that data can take to get to its destination?	Mesh
What does a Wireless Access Point do?	Allows wireless devices to connect to a wired network. Converts data it receives through cables into wireless signal and vice versa.

Resource summary

	Created by jack douglas about 8 years ago