Computer Networks:Network Devices, Study notes of Computer Networks

Hub,Switch,Modem,CSU,DSU,NIC,Wireless Access Points their advantages and disadvantages

Typology: Study notes

2019/2020

Uploaded on 03/06/2020

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HUB-- A hub is basically a multiport repeater Hubs cannet falter dala, $0 dala pactels are sent all connected devices. In other words collision demain of all hosts conned through hub vemaine one. Ty pes bubs Achve Hab) — these ave the hubs which have Ehery own pow Supply and can ¢lean, boost and velay “Ae signal aleng the network. — 1 serves both as a repeater as well as a wiring cenky — these ave used ty extend maximum distance behuer nodes: Passive [xrbl- — these avé the hubs which cotlect col ring -fromacdes and Bee power supply from achye hub. — these hubs velay gignals onto tHe neduerk wHthout cleaniog and booskng fem - — These cannot be used +o extend dishne Lefween nodes Disadvantages of Hubs They do not have the intelligence to find ott best pecth for datapactets whieh lads th tnefficrencees and WASRGL .