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Cate Tipuri De Retele Exista ?

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Cate Tipuri De Retele Exista ?

Post by Ghioala Andrada on Fri Sep 14, 2012 1:20 pm

O retea de calculatoare leaga intre ele un anumit numar (mai mic sau mai mare) de calculatoare, astfel incat un calculator poate accesa datele, programele si facilitatile unui alt calculator din aceeasi retea (bineinteles, daca ii este permis accesul).

http://img705.imageshack.us/img705/9454/ethernetnetworkcablecon.png

Metodele de conectare sunt intr-o continua dezvoltare si deja foarte diverse, incepand cu tot felul de cabluri metalice si de fibra optica, chiar submarine, si terminand cu legaturi prin unde radio cum ar fi WLAN, Wi-Fi, WiMAX sau Bluetooth, prin raze infrarosii ca de ex. IrDA sau prin intermediul satelitilor.

Cate tipuri de retele exista ?
Pana in momentul de fata exista 7 tipuri de retele, si anume:
retele PAN (Personal Area Network)
retele LAN (Local Area Network)
retele WLAN (Wireless LAN)
retele CAN (Campus Area Network)
retele MAN (Metropolitan Area Network)
retele WAN (Wide Area Network)
retele GAN (Global Area Network)

http://img850.imageshack.us/img850/8765/03network.png

Numai bine !




Ghioala Andrada
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