Computer networking basically means connecting various hardware devices like computers and handheld devices through communication medium, which allows users to share information of others on the network. These means of communication can be wired or wireless.

A computer engineer or network technician designs the configuration of these networks. These days, the wireless computer network can be designed from homes or offices, allowing easy sharing of PCs, printers, Internet connection bandwidth and other resources.

Logically, wireless technology means no cables are used to share hardware devices, information, and resources. Despite their separate physical locations, this technology allows information signals to be transmitted anywhere within wireless range. The range will basically depend on the type of wireless technology implemented for the purpose.

To access this feature, there are several hardware requirements as mentioned below:

• Routers are hardware components that allow you to link your computer to an accessible network. It allows multiple users to share a single wireless network, depending on its capacity.
• The access point is hardware that acts as a bridge between wireless devices and wireless networks. It is a small box that changes the Ethernet network to wireless networks.
• The network interface card is small, but you cannot access the network without the NIC installed in your laptops or desktops.
• Ethernet cables are used to connect the router and hub.

These are the hardware requirements needed to install the wireless computer network. ISPs will usually send a technician to do the installation part. Prior to activating the network, they will have it secured against any illegal access. They install, configure and lock your wireless connection. They also take care of setup and troubleshooting when their customers need help.

Protecting your wireless computer network:

1. A firewall is installed that isolates your network from the outside world and allows you to seamlessly access data and use the Internet. It has built-in security software or hardware tools. Filtering of outgoing and incoming traffic is performed, which is called outgoing filtering and incoming filtering.

2. The manufacturers of these wireless routers provide the name SSID (Service Set Identifier) ​​which helps to communicate the computer network with each other.
After the network configuration and router installation, the password or username must be changed so that illegal users cannot access through the new configuration.

3. Newer wireless routers come with WPA or WEP encryption technology, which allows you to select the level of encryption you want to protect your network.

4. A wireless computer network is designed to communicate with media access control addresses that are in sync, but only after authentication, and thus protect your network from any unknown devices.

Anyone who has the network permission of your PC can make use of your shared data. Computer network providers make sure that all settings are done correctly, according to the standard and requirements of your router. These days, wireless infrastructure is set up in large facilities, including airports, banks, and many other large organizations with numerous users.

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