Sentences

1.A bridge is a computer networking device that builds the connection with the other bridge networks which use the same protocol
2. Hub works by sending the data to all the ports on the device whereas a switch transfers it only to that port which is connected to the destination device. 
3.  A switch does so by having an in-built learning of the MAC address of the devices connected to it.
4.Network protocols define a language of instructions and conventions for communication between the network devices.
5.ISDN are used to send over graphic or audio data files.
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