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Why are networks important?
Networks today are essential for supporting businesses, providing communication, delivering entertainment—the list goes on and on. A fundamental element networks have in common is the network switch, which helps connect devices for the purpose of sharing resources.
What is the fundamental element of networks?
A fundamental element networks have in common is the network switch, which helps connect devices for the purpose of sharing resources.
How does a hub differ from a switch?
A hub differs from a switch in that packets sent from one of the connected devices is broadcast to all of the devices that are connected to the hub. With a switch, packets are directed only to the port that leads to the device that packets are addressed to. Switches typically connect LAN segments, so hubs attach to them.
Which layer of the network does routing occur?
They can also operate at the network layer–Layer 3 where routing occurs.
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Is a router a switch?
So the router, in effect, is also a switch. And you can even connect a separate switch to the router to provide both internet and LAN access for additional devices.
Why do switches have full duplex?
To reduce the chance for collisions between network traffic going to and from a switch and a connected device at the same time , most switches offer full-duplex functionality in which packets coming from and going to a device have access to the full bandwidth of the switch connection.
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