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The IEEE 802.3 standard defines ethernet at the physical and data link layers of the OSI network model. Most ethernet systems use the following: Carrier-sense multiple-access with collision detection (CSMA/CD) for controlling access to the network media. Use baseband broadcasts A method for packing data into data packets called frames Transmit at 10Mbps, 100Mbps, and […]
Three options for connecting over a telephone service: Dial-up connections. Integrated Services Digital Network(ISDN) – A method of sending voice and data information on a digital phone line. Basic ISDN – Two 64Kbps B-channels with one 16Kbps D channel is provided. The Dchannel is used for call control and setup. Basic ISDN can provide 128Kbps […]