Search icon CANCEL
Subscription
0
Cart icon
Cart
Close icon
You have no products in your basket yet
Save more on your purchases!
Savings automatically calculated. No voucher code required
Arrow left icon
All Products
Best Sellers
New Releases
Books
Videos
Audiobooks
Learning Hub
Newsletters
Free Learning
Arrow right icon
Arrow up icon
GO TO TOP
Cybersecurity Essentials

You're reading from  Cybersecurity Essentials

Product type Book
Published in Oct 2018
Publisher Wiley
ISBN-13 9781119362395
Pages 784 pages
Edition 1st Edition
Languages
Authors (4):
Charles J. Brooks Charles J. Brooks
Profile icon Charles J. Brooks
Christopher Grow Christopher Grow
Profile icon Christopher Grow
Philip Craig Philip Craig
Profile icon Philip Craig
Donald Short Donald Short
Profile icon Donald Short
View More author details
Toc

Table of Contents (13) Chapters close

1. COVER
2. ACKNOWLEDGMENTS
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...
lock icon The rest of the chapter is locked
Register for a free Packt account to unlock a world of extra content!
A free Packt account unlocks extra newsletters, articles, discounted offers, and much more. Start advancing your knowledge today.
Unlock this book and the full library FREE for 7 days
Get unlimited access to 7000+ expert-authored eBooks and videos courses covering every tech area you can think of
Renews at €14.99/month. Cancel anytime}