Computer Networks: Network Devices, Study notes of Data Communication Systems and Computer Networks

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+ RePpeatek > —» A repeaky operates at the physical (ayth. — its job (s +o vegenerate the wighal over the game network befor€ the signal becomes foo weak oF comupkd $0 as +o extend the length to which the signal can be transmitted over the same network, An tm portant pownt fo be nee nofed ghout vepeatns 1s that they do not amplify the signal - When thé signal becomes weak they copy the signal bit by bie and regenerate i at the ongtnal strength . Ik 1S a 2- port dewi'ce. pisadvantages of Pepeatns:- Repeakys are incapable of reducing nehoork baffle They cannot connect different network architectures. They do not Segrrent the nehvork . Most of the vepeattrS on 2 network produce noise oN the wire ane increase the posstbi lity of- packet eollrston - Repeaks do no€ Seperale the devices th the collis/on domain - BRIPGE -- 2 A bmdge operates at dalalink yt . pA badge Is a vepealey , volts add on funchonaliy a filenng Conknt by reading the MAL addresses of Seurcee and desunakon a te 1s also used for inferconneting bwo CANS goorting 99 the game protocol - ye