Computer Networks — Question 5

(a) Baud — Baud refers to the number of discrete signal elements transmitted per second. It is the measuring unit of the data transfer rate.

(b) Communication channel — Communication channel is also known as transmission media through which data or signal is transferred between two communicating devices, i.e., from one system to another system, through wires or without wires.

(c) Hub — A hub is a networking device having multiple ports that are used for connecting multiple computers or segments of a LAN together.

(d) Repeater — A repeater is a device that amplifies a signal transmitted across the network so that the signal is received in the same way it is sent.