Physical layer - osi model layer, PHP Web Programming

Physical layer: This is concerned with sending raw bits among the source & destination nodes over a physical medium. The source & destination nodes need to agree on a number of factors.

Signal encoding: how are the bits 0 & 1 to be represented?

Medium: what are the medium that is used & its properties?

Bit synchronization: it is the transmission synchronous or asynchronous?

Transmission type: this means whether the transmission is parallel or serial?

Transmission mode: it is mode of the transmission as simplex, half-duplex or full duplex?

Topology: what is the network topology that means mesh, star, ring or bus?

Posted Date: 4/20/2013 1:13:33 AM | Location : United States

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