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assive ub only passes the signal from a connected device to another without any change. ctive ub
amplifies the data packets signal as it moves from one connected device to another. It is also known as
Repeater. Amplifying means increasing the strength of signal of data packet.
Bridge
A bridge is a networking device that connects two networks together which have same protocol.
It improves the data tra c in a N as it receives only those data packets which are destined for them.
Router
It is an electronic device that has the ability to connect Ns which have different protocols.
outer forwards packets on the basis of address of destination. It also has the ability to limit the flow of
broadcasts.
Web Application 351

