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is a networking device that allows multiple computers to communicate each other over a network by broadcasting all incoming data to all active ports.

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is a networking device that allows multiple computers to communicate each other over a network by broadcasting all incoming data to all active ports.

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Hub works by transporting your data to all computers connected in your server

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Hub works by transporting your data to all computers connected in your server

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A network bridge is a computer networking device that creates a single, aggregate network from multiple communication networks or network segments

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A network bridge is a computer networking device that creates a single, aggregate network from multiple communication networks or network segments

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Bridges operate on the second layer of the OSI model that is the data link layer.

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Bridges operate on the second layer of the OSI model that is the data link layer.

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Network Hub
- is a hub that allows multiple computers to communicate with each other over a network.
USB Hub
- is a hub that allows multiple peripherals to connect through a single USB port.

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Cheap and Easy to use
Can connect different media types

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Cantilever bridges are constructed in parts and the two free ends are connected with suspended deck.

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Half-duplex
Wastes bandwidth
Causes unnecessary traffic

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is a networking devices that connects hosts by receiving incoming data packets and redirects them to their intended destination.

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is a networking devices that connects hosts by receiving incoming data packets and redirects them to their intended destination.

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Network Extend. Sometimes bridges act as repeaters to extend a network

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Fixed-configuration switches are usually available 4 to 52 ports,

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Fixed-configuration switches are usually available 4 to 52 ports,

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Switches are also available 512 ports and up

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Cost. On average a bridge costs more than the hub and repeaters.

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Switches transfers data to its destination without distributing it to other computers

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Switches transfers data to its destination without distributing it to other computers

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Full-duplex
Keeps a record of MAC address
Prevents bandwidth wastes
Increases network sizes

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More Expensive

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Repeaters receive radio waves on one frequency, called the “input” frequency, and then re-transmit the information on its “output” frequency

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Repeaters receive radio waves on one frequency, called the “input” frequency, and then re-transmit the information on its “output” frequency

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 if you use two way radios with a radio repeater service, they will be programmed to transmit on the repeater's input frequency and receive on its output frequency.

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 if you use two way radios with a radio repeater service, they will be programmed to transmit on the repeater's input frequency and receive on its output frequency.

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a telephone repeater is an amplifier in a telephone line

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is a networking device that allows to send and receive data over the internet by converting analog signal into a digital signal and vice versa

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is a networking device that allows to send and receive data over the internet by converting analog signal into a digital signal and vice versa

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It interprets the analog signal into digital signal and vice versa so the two devices can communicate with each other

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It interprets the analog signal into digital signal and vice versa so the two devices can communicate with each other

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Cable Modem
- is a modem that uses coaxial cables to provide cable TV and high-speed internet access
DSL Modem
- is a modem used to transfer digital signals over standard telephone lines.
USB Modem
- is a portable modem(known as a dongle) that plugs directly into a USB port and uses a SIM card to connects the internet.

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Repeaters are simple to install and can easily extend the length or the coverage area of networks

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High transmission speed
Supports different media types

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Repeaters cannot connect dissimilar networks.

They cannot differentiate between actual signal and noise.

They cannot reduce network traffic or congestion.

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Vulnerable to malware and hackers
Expensive

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A router is a device that communicates between the internet and the devices in your home that connect to the internet. 

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A router is a device that communicates between the internet and the devices in your home that connect to the internet. 

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 it routes” traffic between the devices and the internet

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 it routes” traffic between the devices and the internet

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Wired routers share data over cables and create wired local area networks

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It provides connection between different network architectures such as ethernet & token ring

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They are expensive compare to other network devices