There are many kinds of network devices 1

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There are many types of networking devices.
Networking can’t function without the physical and virtual components of network infrastructure.
The design of a network is influenced by elements like size, topology of the network work load, workloads, and
business requirements, among others. A network for business could, for instance, require hundreds, or even
thousands of network devices to build and maintain its data centre 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 sends it back to the intended destination. Repeaters are commonly
employed to reduce signals attenuation, reduce interference, and extend the signal’s range. They are usually used in
wireless networks. However, they also work with telephones, fiber optics and television transmission as well as
other devices.
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Bridge
A bridge that connects multiple local area networks (LANs) and thereby consolidating them into one domain. In this
way it differs from a router that allows connections between different networks, but is treated as separate systems.
A bridge joins the partitioned network elements and handles the flow of traffic between them. A transparent bridge
connects two LANs that use the same protocol while a translation bridge joins networks using different protocols.
Bridges are not often used in network systems for business and are generally replaced by switches.
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Access Point
Access point (AP) is a device that wirelessly transmits data and transmits it through radio frequencies within the 2.4
5 GHz or 2.4 GHz bands. Clients, including cellphones or computers, connect to the WiFi Network that the AP has
created through a connection to the AP via the 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 connectivity and access to other network
services.
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Switch
A network switch transfers data to the destination of its choice by taking the MAC address of an inbound frame
before transferring 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 sends files to an IP
address, or to a network however, a switch transmits data directly to a specific target port.
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Gateway
Gateways are network node that connects two different networks or systems using 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 ensure that it is compatible to the specific environment in which it is intended to be. Once the packet is
processed the gateway typically forwards the data to a router that then forwards the data packet to the desired
destination on the network.
Modem
The main function of a modem serves to demodulate or modulate or transform signals between devices, including
analog to digital. A modem that is online, which 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 common type of modem used today.
Hub
A hub is essentially an appliance that connects many devices that are connected to one local area network (LAN).
Laptops, desktop computers and printer, for instance are all able to connect to hub’s ports using Ethernet cables and
form included in the network. Hubs, unlike bridge or router transmits message from one port the other ports without
examining the frames or decomposing messages to the appropriate destination.