Data Communication & Computer Network

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Presentation transcript:

Data Communication & Computer Network Network Components Cables (wired, wireless ). Network Operating System (NOS). Network Interface Card (NIC). Network Hardware:- Hubs. Switches. Routers. Gateways. Access Point. Repeaters. Data Communication & Computer Network

Network Interface Card 1303330 Data Communication & Computer Network

Network Classification Upon the transmission medium( type of connection ):- 1. Point-to-point: 2. Multipoint: 1303330 Data Communication & Computer Network

1303330 Data Communication & Computer Network Point-to-Point A pair of nodes connected together via dedicated link. PC PC Link Television Point-to-point between television and remote control via IR (infrared) IR Remote control 1303330 Data Communication & Computer Network

1303330 Data Communication & Computer Network Multipoint Number of node connected and share a single link. PC PC PC Link Mainframe 1303330 Data Communication & Computer Network

Network Classification Upon the scale (size):- PAN (Personal Area Network). LAN (Local Area Network). CAN (Campus Area Network). MAN (Metropolitan Area Network). WAN (Wide Area Network). 1303330 Data Communication & Computer Network

PAN (Personal Area Network) PAN is a short-distance network design to individual user (person). PAN may be contain:- printer, mobile, computer, wireless printers , PDA, etc. components of PAN connected together via Bluetooth , USB cable ,IrDA (infrared), etc. 1303330 Data Communication & Computer Network

1303330 Data Communication & Computer Network PAN cont. Bluetooth Wireless Printer IrDA USB Cable Scanner PDA 1303330 Data Communication & Computer Network

LAN (Local Area Network) A LAN is a group of node connected together in a small specific area. LAN may be contain workstations, computers, scanner, printers, servers, etc. 1303330 Data Communication & Computer Network

1303330 Data Communication & Computer Network LAN cont. Floor 4 ……….. Floor 3 …….……….. Floor 2 Floor 1 1303330 Data Communication & Computer Network