What is WiFi | How WiFi work | Wifi explain in Urdu and Hindi

What is WiFi Wireless Fidelity? What is Project 802? CSMA/CD and CSMA/CA. Working. Evolution. What is Network Element or Hardware? What is wifi wireless Architecture? What is EM Wave properties? What is Hotspot Wireless zone? What is Topology? How to setup WiFi? Wireless Fidelity. Th Brand name “WiFi” is used by WiFi alliance to describe WLAN products which follow IEEE 802.11 specification. WiFi Alliance. "Wi-Fi CERTIFIED" is a brand name of WiFi Alliance. It ensures the devices of different vendors are interoperable. It works on Data link layer and physical layer What is IEEE 802.11? WiFi or WLAN use ISM (Industrial, Scientific and Medical) UNII (Unlicensed National information Infrastructure) band in 5GHz range. Project 802. 802.1–overview of project 802, including higher layers and internetworking 802.2-logical link control (LLC) 802.3- Ethernet – carrier sense multiple access with collision detect (CSMA/CD. 802.4-token bus 802.5-token Ring 802.6-metropolitan area network 802.7-broadband technology 802.8-optical fiber technology 802.9-voice/data integration on LANs 802.10-standard for interoperable LAN security 802.11- WiFi What is CSMA Carrier sense multiple access? CSMA / CD. CSMA / CA. Topology / Operating Mode. What is Peer to Peer? What is Ad Hoc mode? What is Client Server? What is Access Point? Architecture. What is Wireless Station WSTA? What is Access Point AP? What is Basic Service Set BSS? What is MAC layer? What is Physical Layer? What is SSID Service Set Identifier? EM Wave property. What is Reflection? What is Absorption? What is Geometric Spreading Loss? What is Path Loss? What is Multipath? What is Network Elements or Hardware? Access point AP. What is Wireless Router? What is WiFi Card? Hotspot or Wireless zone. How to setup WiFi? Access point? What is Internet ? Access Point installation? How to connect internet? Troubleshoot connectivity? __________________________________________________________ Website ----------------------------------------------------------------------------------------------- http://academy-khi.com/ http://salman.academy-khi.com ----------------------------------------------------------------------------------------------- Social Media Links ----------------------------------------------------------------------------------------------- Facebook = https://www.facebook.com/academykhi/ Twitter = https://twitter.com/academy_khi Instagram = https://www.instagram.com/academykhi/ Google+ = https://plus.google.com/+Academykhi2015 ----------------------------------------------------------------------------------------------- About Academy ----------------------------------------------------------------------------------------------- Academy of Technology Academy of Technology is an online resource in Urdu and Hindi languages. The website focuses on providing quality video lectures and notes related to topics. Our aim is to help people by giving them comprehensive information and techniques to improve their knowledge in computer and communication networking. Our focused audience is beginner level but some topics need some background.We are opening doors for everyone to get some knowledge.Our target study areas are Technology. Computer Networks. Telecom Networks. IT Trainings. Basic Sciences Vision To be recognized and respected as one of the best online educational resources. Mission Our mission is to provide best online education in the Urdu language. ____________________________________________________________ About me -------------------------------------------------------------------------------------------------- Hafiz Salman Ahmad MS Computer and Communication Networks ____________________________________________________________