What are switches in a network 1

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What are switches in a network.
Network switches are utilized for technicians who connect cables that connect computers to them. They are also
utilized by people setting up the network for their home or by business professionals to assist them in setting up their
office. Network switches function by taking signals from a computer, dividing it into multiple signals, then sending
signals to various computers.
Networks can be wireless or wired. Wired networks are ones that relies on physical connection between two devices
such as switches and routers. A wireless network makes use of radio waves to transmit data instead of physical
connections.
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What is the function of a network switch?
Switches for networks are among the popular kind of switch that is found in modern networks. They operate by
taking signals from a computer, dividing it into multiple signals, then sending signals to other computers. The
typical switch comes with six ports that connect one another using cabling (cable is a synonym that means wire).
Each port is assigned a unique number, called the access port number (APN) that identifies which port connects to
which device on your computer’s networks adapter card (NIC).
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When the device is linked to the switch the switch will record its media access control (MAC) number of the device.
This is a code that is embedded into the NIC of the device connected to the switch using an Ethernet cable. Its MAC
address is utilized by the switch identify which device is sending outgoing messages and the location to send
inbound packets.
Contrary to the layer 3 network’s (Layer 3) IP address which is assigned dynamically to devices and change over
time, the MAC address is what device is actually.
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If a device sends the packet to a different device, the switch scans the header in order to determine what is going to
be done with the data. If the destination address or addresses match the packet is then sent via the correct ports to the
device that is intended for it.
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Most switches come with full-duplex capabilities, which allow packets that come from and go into a device to utilize
the entire bandwidth of the connection between the switch and device and reduce the risk of network traffic going to
and from a switch and connected device being in conflict simultaneously. In lieu of a phone, imagine two people
talking using a cell phone.
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Network switches offer a variety of advantages over hubs, including: they’re more efficient at forwarding data
packets; cost less than hubs, less susceptible to failures; possess a greater coverage; and better security features, such
as encryption, so hackers aren’t able to get into it easily.