Chapter 6

Introduction to Virtual Private Networks (VPNs)

This chapter covers the following topics:

What Are VPNs?

Site-to-site vs. Remote-Access VPNs

An Overview of IPsec

SSL VPNs

In Chapter 5, “Fundamentals of Cryptography and Public Key Infrastructure (PKI),” you learned the fundamentals of cryptography, public key infrastructure (PKI), encryption and hashing algorithms, and what they apply to. This chapter covers virtual private networks and their related technologies.

“Do I Know This Already?” Quiz

The “Do I Know This Already?” quiz allows you to assess whether you should read this entire chapter thoroughly or jump to the “Exam Preparation Tasks” section. If you are in doubt about your answers to these questions or your own assessment ...

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