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	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. THE INTERNET The Internet is the worldwide "network of networks" that links millions of computers together via copper wires, fiber-optic cables, wireless connections, and other telecommunications channels. It is a massive network of networks, a networking infrastructure, forming a network in which any computer can communicate with any other computer as long as they are both connected to the Internet. Information that travels over the Internet does so via a variety of languages known as protocols.This publicly accessible network of interconnected computer networks communicate using a set of protocols and standards, the most basic of which are TCP/IP. TCP/IP consists of the Transmission Control Protocol in conjuntion with the Internet Protocol. Other protocols such as DHCP, DNS, FTP, HTTP, IRC, MIME, POP3, SMTP, SSH, TELNET, RTP and many more help hold the whole thing together. This learning resource will look mostly at the technical aspects of the Internet, but may eventually cover social, economic, historical and other aspects. A popular way to visualize the complexity of the Internet is to see it as a stack of layers known as the OSI model, short for Open Systems Interconnection model. OSI Layers: * Layer 7: Application Layer – the main interface for the user(s) to interact with the application and therefore the network * Layer 6: Presentation Layer – transforms data to provide a standard interface for the Application layer * Layer 5: Session Layer – controls the dialogues (sessions) between computers * Layer 4: Transport Layer – provides transparent transfer of data between end users and machines * Layer 3: Network Layer – provides the functional and procedural means of transferring variable length data sequences from a source to a destination via one or more networks * Layer 2: Data Link Layer – provides the functional and procedural means to transfer data between network entities and to detect and possibly correct errors that may occur in the physical layer * Layer 1: Physical Layer – defines all the electrical and physical specifications for devices and the communications media