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Answer:
DSL :Digital subscriber line (DSL; originally digital subscriber loop) is a family of technologies that are used to transmit digital data over telephone lines.
CABLE INTERNET ACCESS:In telecommunications, cable Internet access, shortened to cable Internet, is a form of broadband Internet access which uses the same infrastructure as a cable television. ... It is integrated into the cable television infrastructure analogously to DSL which uses the existing telephone network
3G : 3G (short for third generation) is the third generation of wireless mobile telecommunications technology. ... This ensures it can be applied to wireless voice telephony, mobile Internet access, fixed wireless Internet access, video calls and mobile TV technologies.
Wi-Fi : WiFi stands for Wireless Fidelity and is the same thing as saying WLAN which stands for "Wireless Local Area Network." See also: How to Boost Your WiFi Signal (Part 1) WiFi works off of the same principal as other wireless devices - it uses radio frequencies to send signals between devices.
Wi-Max : WiMAX (Worldwide Interoperability for Microwave Access) is a family of wireless broadband communication standards based on the IEEE 802.16 set of standards, which provide multiple physical layer (PHY) and Media Access Control (MAC) options.
Explanation:
HOPE YPU UNDERSTAND
1.) DSL:- Digital Subscriber Line
2.) 3G :- 3rd Generation
3.) Wi-Fi:- Wireless Fidelity
4.) Wi-Max:- Worldwide Interoperability for Microwave access