Saturday, 10 August 2013

NTC 360 Week2 Individual Telecommunication Systems




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Prepare a 2- to 3-page paper describing the telecommunication systems used at your workplace.
Use short answers to explain the difference between:

         Rotary and Dual Tone Multi-frequency (DTMF)
         Wide Area Telecommunications Service (WATS) and leased lines
         Private Branch eXchange (PBX) and Centrex

         The layers of the International Organization for Standardization-Open Systems Interconnection (ISO-OSI) model

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