Explanation:
A hub is used to send the message from one port to other ports.It does not know the specific address of the destination where the message needs to send.it works on Physical layer of the OSI model(layer 1).
A switch can handle data and it knows the specific address of the destination.A switch works on the data link Layer of the OSI model(layer 2).
Www stands for world wide web
Apparently, the answer is newspaper publishing.
Since telecommunication is defined to use wireless and electrical protocols to transmit data.
I would say none of the above as A, B, and C do not seem like sensible answers.
