Question

Write a note on Hub.

Answer 1

another name of hub is ethernet hub.
a hub contains multiple ports.
when a packet arrives at one port and
it's copied to the other ports so that all segments of the lan can see all packets.

Answer 2

A hub is also known as network hub. It is a common connection point for devices in a network. These connect segments of LAN.

It comprises of multiple ports. So whenever a packet is arrived at one port of the hub, it is then automatically copied to the other ports.