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WHAT IS THE DIFFERENCE BETWEEN HUB, SWITCH AND ROUTER? Remember they may look alike, but their functions differ; Network routers , switches , and hubs are standard components of wired Ethernet networks. These devices have several things in common. All are small, boxy electronic devices made of plastic or metal that enable communication between devices via Internet Protocol . Plus, they have physical ports for electrical power, network device connections, and LED lights for status displays. Given these similarities, routers, switches, and hubs may appear identical at first, but they have important distinctions. 1. What is a HUB ? A Hub is just a connector that connects the wires coming from different sides. There is no signal processing or regeneration. It is an electronic device that operates only on physical layers of the OSI model. It is also known as a repeater as it transmits signal to every port except the port from where signal is received. Also, hubs are not