Wednesday 23 November 2016

Carrier Sense Multiple Access/Collision Detection(CSMA/CD)

CSMA/CD is a set of rules or standard governing how you talk on an Ethernet network. Each words are explained thus:
Carrier: The network signal i.e there must be a network signal sent on Ethernet.
Sense: The ability to detect i.e the ability of all the Pcs connected to the same Ethernet to detect if there is carrier signal at a time.
Multiple Access: This means that all devices have equal access.
Collision: What happens if two devices are trying to detect the presence of a signal. They will end up sending impulses at the same time. Hence causing collision.
Detection: it has to do with how the computers in the network handle collision i.e how to are able to detect collision and then resend the data across the network.

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