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	HARDWARE: Topologies bus All nodes are connected to a single wire or cable (the bus) which has two endpoints. Each communications device on the network transmits electronic messages to other devices. If some of those messages collide, the sending device will wait and then try to transmit again. The advantage of bus network is that it is can be organized as a peer-to-peer network or client/server network. It is also relatively inexpensive to install. The disadvantage is that if the bus network fails, the whole system network fails. The wider the bus the better! ring The ring network is a network in which all communications devices and microprocessors are connected in a continuous loop. Electronic messages pass around the ring until they reach the correct destination; there is no central server. The advantage of a ring network is that messages only flow in one direction. The disadvantage is that if a single connection is broken, the whole network stops working. The distributed star or tree topology can provide many of the advantages of the bus and the star topologies. It connects workstations to a central point, called a hub. This hub can support several workstations or hubs which, in turn, can support other workstations. Distributed star topologies can be easily adapted to the physical arrangement of the facility site. (Integrated Publishing) star A network that links all microcomputer and other communication devices through a central server. The advantages of this hub is that it prevents impact between messages. The network forms a star shape having the central server in the middle with a single branch outward, the branch will not branch to another device. Other Advantages Include: * Good performance. * Scalable, Easy to set up and to expand. * Any non-centralised failure will have very little effect on the network, whereas on a ring network it would all fail with one fault. * Easy to detect faults * Data Packets are sent quickly as they do not have to travel through any unnecessary nodes. * It is used for centralised control. TRAVEL TO SWITZERLAND Switzerland (German: Schweiz, French: Suisse, Italian: Svizzera, Romansh: Svizra), officially the Swiss Confederation, is a landlocked country of roughly 7.5 million people in Western Europe. Switzerland is a federal republic consisting of 26 states. These states are called cantons. Berne is the seat of the federation and capital, while the country's economic centers are located in its two global cities, Geneva and Zürich. Switzerland is one of the richest countries in the world. It is bordered by Germany, France, Italy, Austria and Liechtenstein and has a long history of neutrality — it has not been at war since 1815 — and hosts many international organizations, including the Red Cross, the World Trade Organization and one of the U.N.'s two European offices. Switzerland is multilingual and has four national languages: German, French, Italian and Romansh. Where to start on Switzerland... The lakes in summer? The mountains in winter? The Montreux Jazz Festival, the best skiing slopes in the world, beautiful mountain hiking, shopping in Geneva, Partying in Zurich, the cleanest bathrooms you've ever seen... So much to see and do! And everything so fresh and clean! Go there! For more travel suggestions, please visit www.toptenvacationspots.net.