Hub

Hubs are also called "Multi port repeaters" or "concentrators".

Hub is hardware devices.

Figure: Hubs in computer networking

Hub is similar to repeaters, except that it broadcast data received by any port to tall other parts on the hub.


Hubs are used to provide a physical star topology.

Hubs operators at "Physical layer" in OSI model.

Related Articles:

• What is OSI (open system interconnection) model?
• What is Repeaters & how Repeaters is working in OSI model?
• What is Routers & how Routers is working in OSI model?
• What is gateway and how gateway is working in OSI model?
• What is Bridge and how it is working in OSI model?