Sunday, 11 February 2018

TYPES OF INTERNET CONNECTION

     1. Dial-up Connection

  • Coventional Dial-up
(to connect to the Internet, your computer dials its modem and connects to a modem attached to a computer belonging to your ISP.)

    ADVANTAGESDISADVANTAGES
    Security : (since you are not continually conneted to the Internet, it is much less likely the hackers will gain access to your computer via Internet.)Slow connection speed (max of 56Kbps)
    Included inexpensive hardware In convenience (having to instruct your PC to dial up your ISP every time you want to check your email or view a website)
    Ease of setup and useTelephone line will be tied up while accessing the Internet
    Availability: provides the user with the convenience of using his account.


  • ISDN (Integrated Service Digital Network) 
-  also transfer data over ordinary telephone lines to
- Typically uses two phone lines to transfer data
- ISDN requires a special ISDN modem
- Characteristics of ISDN :
  • Faster, but pricey
  • Doesn't tie up phone line
  • Used by businesses and individuals

   2. Direct Connection /Broadband Internet Connection
   (always on connection)



Types of Direct Connection/ Broadband Internet Connection
DSLFiber to the Premise (FTTP)Fixed WirelessCellular Radio NetworkCable Internet ServiceWi-FiSatellite Internet Service
Broadband delivered over telephone lines Delivers over fibre-optic cabling all the way to the buildingUses radio transmission towers rather than satellitesAlso known as mobile wireless. Access via mobile phone or device.Most widely used home broadband connectionData transmitted through radio waves.Broadband option for rural areas





 Image 1: Satellite Service Provider




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