What Is The Difference Between A Hub And A Switch

Hubs operate only at the physical layer forwarding bits as wire signals out all ports and extend the collision domain of a network.

While switch can have 24 to 28 ports. When a switch receives data it determines the destination and sends it directly to that device. A hub a switch is used to connect various network segments. In hub there is only one collision domain.

Switches are semi intelligent devices that learn which devices are on which connection. A network switch is a small hardware device that joins multiple computers together within one local area network lan. Hubs are dumb devices that pass on anything received on one connection to all other connections. A hub operates on the physical layer whereas switch operates on the data link layer.

Hub is a broadcast type transmission. While switch is a unicast multicast and broadcast type transmission. Hub is operated on physical layer. Where the switch differs from a hub is in the way it handles packets of data.

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Hub uses half duplex cable on the other hand switch uses full duplex cables. Difference between hub vs switch a hub is a case where the devices are connected and gathered in a certain physical location whereas a switch is a case where the network connection of multiple devices are centralized in a specific location. Hubs do so by broadcasting the data to all other connected devices while switches first determine which device is the intended recipient of the data and then send it to that one device directly via a so called virtual. A switch knows a little bit about the devices that are plugged into each of its ports and uses that information to send network traffic that it receives from one device directly to the destination device.

While switch is operated on data link layer. Hub shares the bandwidth between the ports. Switches are higher performance alternatives to hubs. Key differences between hub and switch the hub operates on the physical layer of the osi while a switch works on the datalink layer of the osi.

A hub is a networking device that allows you to connect multiple pcs to a single network whereas a switch connects various devices together on a single computer network. Routers are essentially small computers that perform a variety of intelligent tasks. A hub connects multiple ethernet devices together making them act as a single segment. On the other hand in a switch the dedicated bandwidth is provided to the ports.

Each port of a hub is a collision domain and each port of a switch is a broadcast domain. It doesn t broadcast the packet to all computers as a hub does which means bandwidth is not shared and makes the network much more efficient. A switch on the other hand is essentially an intelligent hub. Both pass data between devices connected to them.

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Hub have maximum 4 ports.