What Is LAN- Local-Area Network – Get All Details


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What Is LAN- Local-Area Network – Get All Details

LAN is a computer network that spans a relatively small area. LANs are confined to a single building or group of buildings, but also One LAN can be connected to other LANs over any distance via telephone lines and radio signals.

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Any system of LANs connected in this way is called a wide-area network or- (WAN).

The majority of  LANs connect workstations and personal computers. Each node (individual computer ) in a LAN has its own CPU with which it executes programs, but it is also able to access data and devices anywhere on the LAN.

This enables many users to share expensive devices, such as laser printers, data ,etc. Users can also use the LAN to communicate, by sending e-mail or engaging in chats.

Such networks are capable of transmitting data at very fast rates, much faster than data can be transmitted over telephone lines; but the distances are very limited, and there is also a limit on the number of computers that can be connected to a single LAN network.

Types Of LANs

There are many different types of LANs, out there with Ethernets being the most common for PCs. Most Apple Macintosh networks are based on Apple’s- AppleTalk network system, which is built into Macintosh PC’S.

These characteristics differentiate LANs from each other:

1- protocols :

The rules and encoding specifications for sending data. The protocols also determine whether the network uses a peer-to-peer or client/server architecture.  

2- topology :

This is the geometric arrangement of devices on the network. For example, devices can be arranged in a ring or in a straight line.

3- media :

Devices can be connected by, coaxial cables, or fiber optic cables. Some networks do without connecting media altogether using radio signals instead.

Hope this was of a help- In case you need further assistance please feel free to write me using the box below.

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Sam Ammouri

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