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Cybersecurity Essentials

You're reading from   Cybersecurity Essentials An accessible introduction to cybersecurity concepts and practices

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Product type Paperback
Published in Oct 2018
Publisher Wiley
ISBN-13 9781119362395
Length 784 pages
Edition 1st Edition
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Authors (4):
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Philip Craig Philip Craig
Author Profile Icon Philip Craig
Philip Craig
Charles J. Brooks Charles J. Brooks
Author Profile Icon Charles J. Brooks
Charles J. Brooks
Donald Short Donald Short
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Donald Short
Christopher Grow Christopher Grow
Author Profile Icon Christopher Grow
Christopher Grow
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Toc

Table of Contents (13) Chapters Close

1. COVER
2. ACKNOWLEDGMENTS FREE CHAPTER
3. ABOUT THE AUTHORS
4. INTRODUCTION 5. PART I: Securing the Infrastructure 6. PART II: Securing Local Hosts 7. PART III: Securing Local Networks 8. PART IV: Securing the Perimeter 9. INDEX
10. END USER LICENSE AGREEMENT
APPENDIX A: Glossary
1. APPENDIX B: Acronyms
2. APPENDIX C: NIST Preliminary Cybersecurity Framework

CHAPTER 12
Networking Basics

When only two intelligent devices are connected, simple direct connections can be made using cables, light signals, or radio waves. The interconnected devices only need to speak the same digital language and use an agreed-upon communication control method to manage the flow of information between them. However, when more than two intelligent digital devices are linked together, a network is formed. When a third device is added to the system, additional control methods must be put into place to not only control the conversations between the devices, but to make sure the correct parties on the network receive the information and that information not intended for other parties is kept private. In this chapter, you’ll learn to:

  • Identify the characteristics of common network types
  • Describe the primary function of the different layers of the OSI networking model
  • Discuss how the layers of the OSI model correspond to the generation of network data transmission...
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