Sc Business Data Communications and Networking, Thirteenth Edition Student Choice Print on Demand
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Chapter 1, Problem 10Q
Program Plan Intro

Data communication networks:

Data communication is the transfer of information from one system to another by means of electrical or optical transmission systems.

Internet network model:

  • • Network model is simple than the OSI model, which contains five layers.
  • • This model dominates current hardware and software.
  • • It combines top three layers of the OSI model into one layer.

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