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• What is the Network ?• Network history ?• Network types ( LAN , MAN ,
WAN ) .• Host types (client , server) .• Server types . • Full duplex and Half duplex .
What is the Network ?
Two or more connected computers that can share
Resources such as :
• Data
• Printer
• Application
Network types ( LAN , MAN , WAN )
• Three main networking technologies are used to connect computers and networks together:– Local area network (LAN)– Metropolitan area network (MAN)– Wide area network (WAN)
LAN
Used to network computers located in a limited geographical area such as a room, floor, or building .
WAN
• Spans a large geographic area
• Defined as an internetwork that connects many LANs
• Examples of WANs– The Internet