types of networks
TRANSCRIPT
Types of Networks
TYPES OF NETWORKS
• There are three types of networksLOCAL AREA NETWORKMETROPOLITAN AREA NETWORKWIDE AREA NETWORK
Local Area Network
• Group of computers and associated devices that Group of computers and associated devices that share a common communications line or wireless share a common communications line or wireless linklink
• Spread over a small geographic areaSpread over a small geographic area• Some major LAN technologies areSome major LAN technologies are
∆ ∆ EthernetEthernet ∆∆ Token Ring Token Ring ∆∆ FDDI FDDI
A Local Area Network
Local Area Network
• 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
Metropolitan Area Network
Metropolitan Area Network
• 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
A Wide Area Network
Difference b/w LAN & Difference b/w LAN & WANWAN
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.