What is LAN, WAN, VPN

What is LAN, WAN, VPN?

A fundamental understanding of the network is essential for anyone who manages a server. Not only is it essential to get your services online and run easily, but it also provides you with the insight to diagnose problems. LAN, WAN and VPN, All networks will look confused; however, you will find the concepts self-explanatory when you understand the meaning behind each acronym. Also read: best firewall for Windows

If you are new to network technology, you may feel that you are dipping your spoon into a bowl of alphabet soup. LAN, WAN, VPN – What do they mean? This article will help you to enter all of these terms.

Fortunately, if you learn what the terms mean, it is simple to understand how they work. The main difference is the geographical areas they serve. Read More: Sites for learning computer programming languages

What is a local area network (LAN)?

Local area networks are designed to provide network services to a group of computers that can be comparatively close to each other. A local area network can work on a single floor in an office building or in a school classroom. The LAN is generally configured as a single subnet with a clearly defined mask. LANs can be created based on wired or wireless connections. The size of a presented LAN can vary from a room to a building or even a group of buildings, depending on the needs of the users. When using the IP / TCP network today, wireless use is more common due to its convenience and ease.

What is a wide area network (WAN)?

The WAN connects computers together over great physical distances, such as an entire country or the entire world. They are connected remotely over a massive network and are allowed to communicate regardless of distance. The Internet is usually a public WAN that connects computers around the world. Many small networks, such as LAN or MAN, are related to the creation of a WAN. The WAN is so large that an administrator cannot control the entire network; therefore, there are usually multiple administrators.

What is a virtual private network (VPN)?

Virtual Private Network (VPN) is a type of computer network that has no physical existence. Devices that can be part of a VPN can be present anywhere in the world, connected to each other over the Internet.

VPN is used by companies to interconnect their offices located elsewhere and give their remote employees access to company resources. He deactivated another type of network called the Enterprise Private Network, a physical network produced by organizations to link their office locations.


Over the WAN, VPNs allow the creation of voice and data networks that combine the benefits of public services and private facilities. With these services and resources defined in software and implemented by out-of-band signaling methods, users have greater flexibility in configuring their networks from terminals and local management systems. With VPN, companies can save significantly over regular dial-up rates 1 for calls between locations on the network, including calls made by mobile workers using the VPN phone card. With personalized dialing plans, corporate employees can only dial extensions to make long distance calls, and with accounting codes, telecommunications managers have an easy way to track costs and refund users.

At this point, you should be familiar with some fundamental network terminology and be able to understand how different elements are able to communicate.

We hope you enjoy the article “What is LAN, WAN, VPN” Stay tuned for more updates.

Read Next ⇒ What is a firewall?

Originally posted 2020-04-15 01:41:59.

The Techgadgetguides is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com.
We will be happy to hear your thoughts

      Leave a reply

      Tech Reviews and Guides | TGG
      Enable registration in settings - general