Repeater - network layer and routing, Computer Networking

Repeater

Repeater is  also named as active hub operates at physical  layer of OSI model. Repeater is an  electronic  device that simply regenerates the signal. Signals travelling through a physical  wire travel some  distance before they  become  week due to process of  attenuation due to interfacing of  other signals such as noise with them. For  example a  signal  of 5v may become 4.5 in the process of transmission. A repeater senses with  its intelligence and regenerates 5 v  signals  by recreating the bit pattern of original signal repeater is responsible for strengthening the signal.

 

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