What is LAN? LAN connection types and uses

Currently, on all desktop and laptop computers, LAN connections are supported. Have you ever wondered what LAN is?

What is LAN?

LAN stands for Local Area Network, roughly translated as local computer network , this interface allows computers to connect to each other to work and share data . This connection is made via a LAN cable or Wifi (wireless) in a narrow space, so it can only be used in a limited range such as offices, homes, schools…

What is the LAN port (RJ45) on computers and laptops?

Before diving deeper into LAN connection. Let’s talk a little bit about the name “LAN port” on laptops today. Because wireless connectivity was introduced and popularized long after wired (cable) connections, people often call the RJ45 (Ethernet) network cable connection port on laptops and computers as “LAN port” or “LAN port”. “ .

Currently, when it comes to connecting to the internet on laptops, our computers have two types: wireless connection via wifi and wired connection via network cable via RJ45 port or LAN port.

Types of connections in LAN

As mentioned, devices in the same LAN can connect to each other through a network cable. LANs can connect to each other to form a larger network called WAN (Wide Area Network) and to communicate with each other, devices are usually connected to one or several wifi routers (Routers). .

In addition, a LAN can also be established by a wireless connection port (Wireless) and is collectively known as WLAN (Wireless LAN) , or we often call it Wifi.

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What are the requirements to create an internal LAN connection?

To create an internal LAN , a device is required as a server (sever), a number of devices that support connection and finally, clients .

Before creating a LAN, make sure that all devices have a built-in NIC (Network Interface Card) network card . The network card is considered a network signal transceiver for devices that want to connect to the LAN, the network card is usually built into laptops, computers, etc.

Uses of LAN

LAN has great significance in modern life today, any company, organization or individual who wants to manage internal data, or connect and communicate with each other must be through LAN.

LAN helps mobile devices such as phones, laptops, tablets easily connect and access the internet at any time.

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The above is very basic and useful knowledge, please contact lassho.edu.vn about problems or problems arising in the process of accessing and using LAN connection on your technology devices to get help. please support.