What is the Internet? - LAN, WAN, IP addresses. Router basics

 What is the Internet? - LAN, WAN, IP addresses. Router basics

introduction

In the modern world, computers and gadgets are rarely used separately. They are usually connected to each other and can exchange information. This is called a link network. Easy access to email and web services via the Internet

 

What is the Internet?

 

Networking is the process by which two or more computers communicate with each other. Data and resources are exchanged over these links. A network can be as small as two devices or as large as millions of devices worldwide.

 

Types of websites

1. LAN (Local Area Network).

o LAN is used for small area. such as schools and offices. or as a family.

o Computers are connected via cable or Wi-Fi.

o Printers and files can be easily shared on the LAN.

 

2. WAN (Wide Area Network).

o WAN covers a large area of geography.

o The Internet is the most extreme example of a WAN.

Information about satellites and optical fibers also spread through the media.

 

What is an IP Address?

Each device on the network is given a unique identifier. This identifier is called an IP address (Internet Protocol address).

• It acts as the home address of the device.

• IPv4 and IPv6.

• A device cannot be identified on the network without an IP address.

 

Router basics

 

A router is a device that connects multiple networks.

• It helps to send data between computers and networks.

• The router ensures that data packets arrive at the correct device.

• Most homes and businesses use Wi-Fi routers to access the Internet.

The importance of the Internet

 

• Sharing of data and documents is easy.

• Email and chat made communication possible.

• Can share printers and printers. such as a printer.

• Built-in network facility for all connected devices.

 

Cyber Security

These sites are also used by thieves and pickpockets. This poses a risk of data theft, viruses, etc. Hence the following steps are taken.

• Use strong passwords for Wi-Fi and devices.

• Activate firewalls and antivirus software.

• Avoid connecting to unknown networks.

 

Conclusion

The internet is the foundation of modern communication. LAN and WAN connect devices between small and large areas. identified by IP address; It guides the information. When used carefully and safely, the web can provide a faster, more secure, and more convenient digital life. It can be made more stable.