Layers of the OSI Model were explained in detail in our previous tutorial. In this tutorial, we will take a look at  the most common types of network.

Various types of computer networking systems are used for communication systems all throughout the world.

The most common types of networks include Local Area Network (LAN), Metropolitan Area Network (MAN) and Wide Area Network (WAN).

Read through the Entire Networking Series of Tutorials for perfect knowledge of the concept.

A suitable communication network has to be deployed, depending upon the type of network design, Arial radius estimated cost, speed required, nodes need to be connected, bandwidth and various other factors.

Local area networks are constructed for small geographical areas within the range of 1-5 km such as offices, schools, colleges, small industries or a cluster of buildings. It is extensively used to design and troubleshoot.

Let’s understand it with the help of an Example:

PC’s, laptops and workstations in an office are generally inter-connected with each other by using LAN networks through which we can share data files, software, e-mail and access hardware such as printers, FAX etc. All the resources or host are connected via a single cable in LAN.

The transmission rate of LAN ranges from 4Mbps to 16Mbps and can maximize up to 100 Mbps (Mbps stands for megabits per second). We can use any type of network topology which meets the need of the network such as a ring or bus for the interconnection of the host in LAN networks.

Ethernet, token ring, Fiber distributed data interchange (FDDI), TCP/IP and asynchronous transfer mode (ATM) are the most common protocol that is used in this network.

LAN networks are of various kinds depending upon the type of media, topology, and protocols they are using for communication.

Read more: microsoft office skills

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