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Introduction to Computer Networks and Cybersecurity by J. David Irwin, Chwan-Hwa Wu

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An Introduction to Information Networks

The learning goals for this chapter are as follows:

  • Understand the structure of the worldwide information superhighway, commonly known as the Internet, as well as the various components that are inherent to its operation.
  • Explore the numerous ways in which the Internet can be accessed through a variety of networks and transmission media
  • Learn the composition of the network core that forms the Internet backbone and the organizations that support its continued development
  • Learn the difference between packet switching and circuit switching, as well as the ramifications of each
  • Understand the layers of the protocol stack that are used to support the interaction of computers connected to the Internet
  • Learn ...

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