Wi-Fi Networking

  
lan cabling
Structured cabling
services
Website hosting
Website security
Internet storage
facilities
wi-fi networking
wi-fi networking
security
Data recovering
process
Firewall (software,
hardware)
System service (desktop,
laptop)
Data backup facilities
Network printer
services and maintanence
Protect mail server
from spam and virus
Thin client facilities
wireless lan wan
VPN server configuration
ServerConfigurations
Hardware software
installation,upgrading
and migration
Mail server configuration
in 2003 and 2007
exchange server
Virus detection
and removal
Network auditing
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Mail server security
in both hardware
and software
linux server configuration
linux security
configuration
linux installation
and maintance
samba server
configuration
       
 

Wi-Fi

Wi-Fi is a trademark of the Wi-Fi Alliance that may be used with certified products that belong to a class of wireless local area network (WLAN) devices based on the IEEE 802.11 standards. Because of the close relationship with its underlying standard, the term Wi-Fi is often used as a synonym for IEEE 802.11 technology.[1][2]
The Wi-Fi Alliance is a global, non-profit association of companies that promotes WLAN technology and certifies products if they conform to certain standards of interoperability. Not every IEEE 802.11-compliant device is submitted for certification to the Wi-Fi Alliance, sometimes because of costs associated with the certification process and the lack of the Wi-Fi logo does not imply a device is incompatible with Wi-Fi devices.
Today, an IEEE 802.11 device is installed in many personal computers, video game consoles, smartphones, printers, and other peripherals, and virtually all laptop or palm-sized computers.
A Wi-Fi enabled device such as a personal computer, video game console, mobile phone, MP3 player or personal digital assistant can connect to the Internet when within range of a wireless network connected to the Internet. The coverage of one or more interconnected access points — called a hotspot — can comprise an area as small as a few rooms or as large as many square miles covered by a group of access points with overlapping coverage. Wi-Fi technology has been used in wireless mesh networks, for example, in London.[3]
In addition to private use in homes and offices, Wi-Fi can provide public access at Wi-Fi hotspots provided either free of charge or to subscribers to various commercial services. Organizations and businesses such as airports, hotels and restaurants often provide free hotspots to attract or assist clients. Enthusiasts or authorities who wish to provide services or even to promote business in selected areas sometimes provide free Wi-Fi access. As of 2008[update] there are more than 300 metropolitan-wide Wi-Fi (Muni-Fi) projects in progress.[4] There were 879 Wi-Fi based Wireless Internet service providers in the Czech Republic as of May 2008.
Routers which incorporate a digital subscriber line modem or a cable modem and a Wi-Fi access point, often set up in homes and other premises, provide Internet-access and internetworking to all devices connected (wirelessly or by cable) to them. One can also connect Wi-Fi devices in ad hoc mode for client-to-client connections without a router. Wi-Fi also enables places which would traditionally not have network to be connected, for example bathrooms, kitchens and garden sheds.