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Carrier Sense with Multi-Access networks

Carrier Sense with Multi-Access networks. How Does a computer, which connected to an Ethernet LAN, "knows" whether the Ethernet cable is in use or not ? All computers attached to an Ethernet participate in a distributed coordination

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Carrier Sense with Multi-Access networks

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  1. Carrier Sense with Multi-Access networks • How Does a computer, which connected to an Ethernet LAN, "knows" whether the Ethernet cable is in use or not ? • All computers attached to an Ethernet participate in a distributed coordination • scheme call CSMA (Carrier Sense with Multi-Access networks). • The scheme uses electrical activity on the cable to determine status. • When no computer is sending a frame, the ether does not contain electrical signals. • If a carrier is present the computer must wait for the sender to finish before • proceeding.

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