What are the various types of Computer networks?

A network is a collection of gadgets that are linked together to share data or resources. This might be as straightforward as your computer and printer sharing a connection or as sophisticated as the entire internet.

The subject of networking is vast and has many facets (no pun intended!). The technical language and terminology can be confusing for the average home user. For those who have never studied networks before, we will go through five typical types of networks and break them down.

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Local Area Network (LAN)

A local area network, or LAN, is a group of interconnected devices that are all situated in the same physical space and are connected over short distances. This could, for instance, be the network inside a home or company, or it could even cover a place as diverse as a college campus.

Your home's LAN may include a number of smart and Internet of Things (IoT) gadgets, such as WiFi video doorbells and smart light bulbs, as well as standard devices like PCs, laptops, and smartphones. It may even include your smart TV.

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Wireless Local Area Network (WLAN)

Regular local area networks can be divided into wireless local area networks and wired local area networks. A device must physically be close to a wireless access point in order to be inside its range. However, wireless networks differ from separate cabling networks in that they employ the air as a shared hub for data transmission. Of course, we recognise this as WiFi.

Wide Area Network (WAN)

A wide area network (WAN) links numerous smaller networks over greater distances as opposed to connecting local devices. This creates a plethora of fresh chances for computers to exchange data and knowledge.

WANs are more difficult to set up and manage since multiple stakeholders must work together to make the network stable and functional, but they are the foundation of all our information movement, and as a result, we have been able to develop some amazing things.

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Virtual Private Network (VPN)

A VPN offers a special fusion of distant access and privacy. Despite operating from a separate location, a VPN enables you to send and receive data as if you were a part of a private network.

There are two principal applications for this:

First, for companies who need to give distant employees secure access to their private network.

Second, users have the ability to 'construct' a virtual network, join it, and appear to other users of the internet as a member of that network. When using public networks, this creates a way to hide your identity and real IP address/location. In terms of online security and privacy, this is incredibly valuable.

Virtual Local Network (VLAN)

A VLAN is a subnetwork that establishes a virtual LAN for groups of connected devices on a larger network, thereby segregating them from other network users. This gives a LAN far more flexibility while accomplishing the same goals that WLANs can do naturally by using different channels.

When corporations want to classify certain individuals or groups of devices in order to manage data more effectively, they most frequently utilise this method. In reality, this is done using a technique called VLAN tagging, which labels packets as they enter a port to identify them. This enables the existence of sophisticated communication protocols that can be tailored to the particular business's use case.

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