What is the difference between Hub, Switch, and Router?

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Sandra Emily asked 25-Apr-2022 in troubleshooting by Sandra Emily

What is the difference between Hub, Switch, and Router?

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Hitesh Vohra answered 25-Apr-2022 by Hitesh Vohra
  • Layers: A hub operates on the physical layer of the open system interconnection (OSI) model (layer 1), whereas a switch operates on the data link layer (layer 2) of the OSI model. The router is based on the OSI model's network layer.
  •  A Hub can connect several Ethernet devices into a single segment, whereas a switch can connect numerous devices into a single LAN. A router may connect both LAN and WAN networks.
  • The hub is the least intelligent device because it merely forwards a received data packet to all connected devices. Because they deliver received data packets to appropriate devices, the switch and router are also called intelligent devices.
  • Form of Data Transmission: A hub transmits data in the form of an electrical signal or bits, whereas a switch transmits data in the form of frames and packets. It is transmitted in the form of a packet through a router.


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