1. Types of Networks

2. TYPES OF NETWORKS There are three types of networks LOCAL AREA NETWORK METROPOLITAN AREA NETWORK WIDE AREA NETWORK

3. Local Area Network Group of computers and associated devices that share a common communications line or wireless link Group of computers and associated devices that share a common communications line or wireless link Spread over a small geographic area Spread over a small geographic area Some major LAN technologies are Some major LAN technologies are ∆ Ethernet ∆ Token Ring∆ FDDI ∆ Ethernet ∆ Token Ring∆ FDDI

4. A Local Area Network Local Area Network

5. A large computer network that usually spans a city or a large campus interconnects a number of local area networks (LANs) provides up-link services to wide area networks and the Internet Metropolitan Area Network

7. A group of the computers that are separated by a large distance and tied together Can even be a group of LANs that are spread across several locations and connected together Facilitates fast & efficient exchange of information at lesser costs & higher speeds The largest WAN is existence in Internet Wide Area Network

8. A Wide Area Network

9. Difference b/w LAN & WAN LOCAL AREA NETWORK Diameter of not more than a few kilometers. A total data rate of at least several mbps. Complete ownership by a single organization (generally). Very low error rates WIDE AREA NETWORK Span entire country. Data rate less than 1mbps. Owned by multiple organizations. Comparatively higher error rates.