Wednesday, September 22, 2021

how to setup wifi lan network

Each computer that will connect wirelessly to the network will need to have a wireless network card installed. If you don't have a free slot in your PC or if you don't feel like opening your computer, there are many different wireless USB adapters available. While not critical, choosing a router / network card combination from the same brand can make setup much easier, as well as allow you to take advantage of the special features that may be included in the devices. At the very least, make sure you choose a router / adapter combination that uses the same wireless protocol. The wireless protocol essentially determines how quickly devices are able to communicate with each other. The most commonly used protocol today is 802.11g, which, at 54 megabits per second, is faster than the older 802.11b. 802.11n is just starting to become more common, even if only for very specific applications. It is very expensive and your average wireless network cannot take advantage of its speed.

 

Safety

Security is the most overlooked step in building a wireless network. Since wireless signals can penetrate through walls and floors, anyone with a wireless laptop can connect to the network. Once connected, they can root your shared files and even introduce viruses to your PCs. Fortunately, it's really easy to secure your network.

how to setup wifi lan network

There are 2 types of security offered by wireless routers. One is a firewall. The other is encryption. They can be used simultaneously.

 

Encryption, which decides who can use the wireless connection and who cannot, has two common types: WEP and WPA. Without getting super technical, WEP requires users who want to access the network to enter a specific key code, while WPA requires users to tell the network who they are and request a key code for access. The differences are pretty technical, but to simplify it I'll put it like this: WEP is the old style and will definitely prevent occasional passersby from accessing your network, while WPA is newer and will stop even the smartest hacker. The level of security you want will determine which type you choose to use.

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