What is Network and Networking in the field of Computer?

In the field of Computer when you connect two or more Computers or devices together is called a Network. This connection between two or more Computers or devices could be done with cable or without cable. A network is helpful for exchanging data between two or more devices. 

If there is no connection between two or more Computers, how would you exchange data? In that case we have to use storage devices to copy data from one computer and then have to paste it to another. For more than two computers this data exchange process would be more time consuming. So, to do these processes more quickly and efficiently we build a computer network. 

Now, what is called Networking? 

The practice of creating a network is actually called Networking. Not only practice of creating but also maintaining it is called Networking. 

Types of Computer Network?

 There are mainly three types of networks. 

1. LAN - Local Area Network

 

2. MAN - Metropolitan Area Network

 

3. WAN - Wide Area Network 

though there are many other types of networks we can build such as Personal area network (PAN), Campus area network (CAN), Storage area network (SAN) etc. 

1. LAN (Local Area Network): In LAN, computes and other devices such as scanners, printers, other hardware devices are connected together in a limited area. The speed of data transmission in LAN is much faster than MAN and WAN. LAN network can be done with cable or without cable. 

2. MAN (Metropolitan Area Network): This type of network is built within an entire city or town. MAN, network can be done by connecting multiple LAN networks. 

3. WAN (Wide Area Network): A large geographical area such as an entire country or continent is covered in WAN network. Telecommunication networks are considered as Wide Area Network.  

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What is Topology in Network?

The structure of a network is called Topology. In a network how all the computers and devices such as scanners, printers are connected defines the structure. 

There are mainly two types of Topologies 1. Physical and 2. Logical 

Physical Topologies are in six types such as Bus Topology, Ring Topology, Star Topology, Mesh Topology, Tree Topology, Hybrid Topology. We are not going deep into it in this article. 

The Logical Topology deals with network protocols those are used to control the data flow across the network. 

conclusion

In today’s digital age, networking has become an indispensable part of our lives, not just in businesses but also in homes. The ability to connect devices and share data effortlessly has transformed how we work, communicate, and even entertain ourselves. A well-designed network can significantly enhance productivity by allowing multiple users to access shared resources such as files, printers, and internet connections without the need for physical transfers or redundant setups.

Each type of network, whether LAN, MAN, or WAN, serves a unique purpose. LAN is ideal for smaller environments, like homes or offices, where high-speed data transmission is crucial. It ensures minimal latency and provides a stable platform for tasks that require quick data exchange, like streaming video or gaming. MAN networks are typically used by organizations or institutions spread across a city, allowing them to connect their various branches while maintaining good data speeds and reliability. 

On the other hand, WAN networks are essential for businesses with global operations, enabling them to communicate and share data across countries and continents, though they often face challenges such as higher latency and the need for more robust security measures.

Speaking of security, as networks grow in size and complexity, the risk of unauthorized access and data breaches increases. Implementing strong network security protocols, such as firewalls, encryption, and regular updates, is critical to protect sensitive information. Proper network management and security practices ensure that the network remains efficient, reliable, and secure, safeguarding both personal and professional data.

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