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By Allan Joe
Network Components and Terms
ContentsHubs
Bridges
Switches
On-line &Off-line
Bibliography
Hubs
A Hub is a hardware device that connects multiple Ethernet devices together, making them act as a single network segment.
The Hub contains several Ethernet ports which allows it to connect several computer to it.
It works in such a way that the hub is connected to a router, and it simply broadcasts all data it receives to the computers connected to it.
It is also known as: Ethernet Hub Active Hub Network Hub
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Bridges
A Bridge device is a special hardware that filters data traffic at a network boundary. It reduces the amount of traffic on a LAN by dividing it into two segments.
The Bridges inspect incoming traffic into a specific network and then decides, whether to forward it or discard it.
There are different types of bridges such as: Ethernet Bridge Traditional BridgeMulti-port Bridge
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Switches
Switches are quite similar to hubs, in terms of connecting multiple computer together on a network.
There are also several differences such as: Switches boost the performance on a network, due to
that way the data is transmitted between the computer in a network.
Bandwidth is not sub-divided amongst the computers, for example if there is 100Mbps, and if there is two computer, each computer will have 100Mbps.
A switch can be both half or full-duplex, unlike the Hubs, where there is only half-duplex.
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On-line & Off-line
On-line and off-line have very important meanings in regards to computer technology and telecommunication.
On-line is when the computer is connected to the Internet or the World Wide Web.
While off-line means that the computer is not connected to the Internet or the World Wide Web.
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Bibliographyhttp://technicallyeasy.net/2008/11/what-ar
e-hubs-and-switches/
http://compnetworking.about.com/cs/internetworking/g/bldef_bridge.htm
http://linux.about.com/cs/linux101/g/onlineslshoffli.htm
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