Ccna Courses - Get Wireless With Wifi

WiFi- WIRELESS FIDELITY:

WiFi- WIRELESS FIDELITY:

WiFi technology has brought a totally different and a new aspect in the field of networking. In simple terms WIFI as the name indicates is a technology that allows devices to connect and communicate with each other without wires. With WiFi technology users can connect to internet from any place such as homes and offices etc. In WiFi technology high frequency radio waves helps in transmitting data from one place to the other.

WiFi Modes:

The two most common methods with which users can connect to the WiFi to access internet are as follows:

Ad hoc Mode: No access point is required for communication which means that devices can communicate directly with each other.

Infrastructure Mode: wireless access points such as routers or switches are always required; these are connected to a wired network internet to provide wireless connectivity to the users.

WiFi Features:

Its convenient and is available ever where.

Its faster and its secure offering high speed internet to the users.

Unmatched mobility, it has no cable to disrupt your work.

With no limitations WiFi connects you worldwide.

WiFi Terminologies:

There are number of terminologies used and are required to be known in order to get better understanding of wireless networks. Some common terminologies are as follows:

* Hot spot: its a location from where the users can access the wireless network.

* Gigahertz: is a frequency measurement used with wireless communication as radio frequencies.

* Access Point: also known as WAP (wireless access point) allows wired devices to connect to a wireless network.

* WiFi Finder: its a device that finds a wireless network that can be accessed in a certain area.

WiFi Devices and Software Tools:

Market all over the globe is flooded with WiFi software tools and devices.

A Wi-Fi device gives users a convenient and a pleasurable experience. Some common WiFi devices used these days are as follows:

* USB

* PC card

* Express card

* PCI

* Card Bus

* MiniPC

WiFi software tools on other hand are designed specifically for different types of networks, usage types and operating systems. Its essential for the users to pick only those WiFi software tools which are compatible with their computer, for example:

Windows users can use:

* Wifi Hopper

* OmniPeek

* APTools

Etc

MAC users can use:

* Kismet

* Macstumble

* KisMAC

Etc

Unix users can use:

* Karma

* Aircrack-ptw

* CoWPAtty

* Aircrack

* AirSnort

Etc

by: Joe Spoto

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