What HUB and Switch ?
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Difference Between HUB and Switch.
HUB
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Switch
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An electronic device that connects many network device together so that devices can exchange data
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A network switch is a computer networking device that is used to connect many devices together on a computer network. A switch is considered more advanced than a hub because a switch will on send message to device that needs or request it
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HUB works in Physical layer.
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Switch works in Data Link Layer.
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They are classified as Layer 1 devices as per the OSI model.
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Network switches operate at Layer 2 of the OSI model.
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HUB generally have 4 to 12 ports
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Switch is multi port Bridge. They generally starts with 4 port and may have up to 33 or more.
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Data Transmission is done in bits
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Whereas in switches it happens in forms of Frames (Layer 2 Switch) Frame & Packet (Layer 3 switch)
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Collisions occur commonly in setups using hubs.
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No collisions occur in a full-duplex switch.
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A network hub cannot store MAC address.
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A network switch stores MAC addresses information.
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Half duplex
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Full duplex
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Hub has one Broadcast Domain.
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Switch has one broadcast domain [unless VLAN implemented]
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It cannot be used for huge network
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It can be used for huge network
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Hubs are cheaper then switches.
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Switches are expensive than HUBS.
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Not Secure
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Secure as compared to HUB
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