July 2012
Intermediate to advanced
700 pages
18h 24m
English
Content preview from CCNA Security 640-554 Official Cert Guide
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Chapter 17. Fundamentals of VPN Technology
This chapter covers the following subjects:
Virtual private networks (VPN) are a huge hit, and they are not just a fad. Understanding why they are important and the underlying building blocks that make them work so well is the focus of this chapter.
“Do I Know This Already?” Quiz
The “Do I Know This Already?” quiz helps you determine your level of knowledge of this chapter’s topics before you begin. Table 17-1 details the major topics discussed in this chapter and their corresponding quiz questions.
Table 17-1 “Do I Know This Already?” Section-to-Question Mapping
1. What element in a VPN provides the P portion?
a. Data integrity ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.