There are many kinds of network devices

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There are many kinds of network devices.
Networking is not possible without the physical and digital elements that make up network infrastructure.
The network design is modified based on elements like size, topology of the network and workloads, as well as
business requirements, among others. A network for business is for instance, and may require thousands or hundreds
of network devices to manage and expand its data center as well as LAN and the WAN. A simple home network is,
however could only have two components.
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Repeater
A repeater amplifies the signal and then resends it back to the intended destination. Repeaters are commonly
employed to reduce signals attenuation, reduce interference, and extend the signal’s range. They are typically used
in wireless networks, but they can also be used with telephones, fiber optics and television transmission in addition
to other functions.
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Bridge
A bridge that connects to two or more local areas networks (LANs) by combining them into one domain. In this way
the bridge is different from a router that allows connections between different networks, but is treated as separate
systems.
A bridge joins the partitioned network components and controls the flow of traffic between them. A transparent
bridge connects networks using the same protocol while a translation bridge joins networks using different
protocols.
Bridges are seldom used in network systems for business and are generally replaced by switches.
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Access Point
Access point (AP) is a piece of equipment that wirelessly transmits and receives information through radio
frequencies within the 2.4 5 GHz or 2.4 bands. Clients, including cellphones or computers, connect to the WiFi
Network that the AP is establishing via a link to AP by using an wireless signal. In a wired LAN it is the AP
connects physically to the switch or router through the Ethernet cable, providing it with internet access as well as
other network services.
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Switch
A network switch transfers data to its destination through analysing the MAC address of the incoming frame before
sending it to a machine that has the address that is matched.
Devices usually connect to switch’s ports using the Ethernet wire. The switch keeps its MAC addresses of these
gadgets in an address database that it uses as a reference when it transfers frames. A router transmits information to
an address on the network or IP but switches send data directly to the specified target port.

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85/87 Jhaveri Bhavan, CHS, 3rd Flr, Office No.19A Kalbadevi Road Mumbai 400002
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Gateway
A gateway is a network node which connects two different networks or systems that use different protocols and
allows data to flow between them. Gateways use a variety of protocols to alter the contents and protocols of
incoming data packets to make it compatible to the specific environment in which it is intended to be. Once the
packet is processed the gateway typically sends it to a router that then forwards the data packet to the desired
destination on the network.
Modem
The primary purpose of a modem functions is modulating and demodulating or transform signals across devices,
including analog to digital. An internet modem, that gets signals through the ISP and converts them into an format
that devices connected to it will employ, such as digital or radio signals is the most popular type of modem used
today.
Hub
Hubs are essentially an appliance that connects many devices that are connected to one local area network (LAN). A
desktop computer, laptop printer, for instance are all able to connect to the hub’s ports with Ethernet cables and form
included in the network. Hubs, unlike bridge or router transmits information from one port the other ports without
examining the frames or segregating messages to the appropriate destination.