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Before proceeding to determine the meaning of the term at hand, it is important to make clear its etymological origin. Specifically, we can establish the following information in this regard:
• Red, comes from Latin. More exactly it emanates from the word "rete", which is synonymous with mesh.
• Data. This word is the result of the evolution of the Latin word "datum", which can be translated as "given."

A net is a structure which has a characteristic pattern . You can refer to the interconnection of computers and other devices that share resources.

Fact is a term that indicates a information , a document or a testimony that allows to reach a knowledge or deduce the legitimate consequences of a fact.

It is known as data network to the infrastructure whose design allows the transmission of information through data exchange . Each of these networks has been specifically designed to meet its objectives, with a specific architecture to facilitate the exchange of content.

However, we cannot overlook either that a data network is also put into operation with two other primary objectives: to share both software and hardware and to provide support and centralization to the relevant administration.

In the same way, by carrying it out, the speed and reliability of information exchange can be significantly improved and costs are reduced in the company or entity that decides to create it.

When we talk about a data network, we must bear in mind that it must have a series of fundamental elements so that it can be understood as such and also so that it performs its functions without problems:
• Servers, who become like the administrators of the information and of the whole process itself.
• Pach Panel's, which are the systems that organize all the necessary wiring.
• Hubs, which proceed to undertake what would be the amplification of the signals that take center stage in that exchange of information.
The cables known as Pach Cord or the one known as horizontal type wiring are other proposals that also take center stage in a data network.

Usually, these networks are based on the packet switching . They can be classified in different ways according to the physical architecture , he size and the covered distance .

According to its scope, a data network can be considered as a personal area network (Personal Area Network or BREAD ), local area network (LAN ), metropolitan area network (MAN ) or one wide area network (WAN ), among other types.

A PAN network is that network that interconnects computers located near a person while one Red lan It favors the exchange of data in a small area (such as an office or a building).

The MAN network , meanwhile, provides coverage in a large geographic area and the WAN network , in an even more extensive geographical area. This means that a WAN data network It will allow to share data in a large area.

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