[Q] What is a hub?
[A] A hub is a piece of network equipment used to connect devices.
basic function of a hub is to act as a multi-port repeater,
simply because it passes on the information it receives to any
connected devices. (Therefore repeating it)
of the nature of this device, it can be used to extend the size
of a network by allowing more computers and other equipment
to be connected.
main word of caution to consider when using hubs in your network
would be to not over-do it. In large scale networks, the over-use
of hubs can actually degrade the performance of the network
because a great deal of extra information is being sent through
the network that may only be needed by a specific device.
Technicians and other over-zealous IT associates have a bad
habit of grabbing a hub any time they run into a situation where
they need to expand the connectivity of the network in a specific
area. This often happens without any educated thought being
placed into how this will effect the network as a whole.
you have any doubts if this situation will effect your network,
always refer to a qualified expert to get answers. There may
be specific physical properties unique to your network that
will need to be considered when making that judgment.
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Keywords: Cat 5, Hub, network, patch cable, crossover cable