Question

In: Computer Science

In your own words write an introduction and brief history or background about wireless LAN. Such...

In your own words write an introduction and brief history or background about wireless LAN.
Such as definition, pros and cons , the importance of wireless LAN and etc...

Solutions

Expert Solution

Stands for "Wireless local area network." A WLAN, or wireless local area network, could be a network that enables devices to attach and communicate wirelessly. not like a conventional wired local area network, within which devices communicate over local area network cables, devices on a wireless local area network communicate via Wi-Fi.

While a wireless local area network might look totally different than a conventional local area network, it functions an equivalent means. New devices square measure usually adscititious and designed victimization DHCP. they'll communicate with alternative devices on the network an equivalent means they might on a wired network. the first distinction is, however, the info is transmitted. In a LAN, information is transmitted over physical cables during a series of local area network packets containing. In a WLAN, information is transmitted over the air victimization one in every of Wi-Fi 802.11 protocols.

As wireless devices have big in quality, thus have WLANs. In fact, most routers oversubscribed square measure currently wireless routers. A wireless router is a base station, providing wireless connections to any Wi-Fi-enabled devices among vary of the router's wireless signal. This includes laptops, tablets, smartphones, and alternative wireless devices, like sensible appliances and sensible home controllers. Wireless routers usually connect with a cable electronic equipment or alternative web-connected device to supply Internet access to connected devices.

LANs and WLANs are incorporated along employing a bridge that connects the 2 networks. several wireless routers conjointly embody local area network ports, providing connections for a restricted variety of wireless devices. In most cases, wireless routers act as a bridge, merging the local area network and Wi-Fi-connected devices into an equivalent network. this enables wired and wireless devices to speak with one another through one router.

Advantages:

1. Devices can connect wirelessly, hence cables are not required.

2. The number of devices connected is not limited by the number of ports.

3. Smaller devices like smartphones can also be connected to the network.

Disadvantages:

1. They are comparatively less secure.

2. They are impacted by physical barriers like walls and also by other signals.


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