December 2011
Beginner
552 pages
13h 30m
English
Content preview from Network Security First-Step, Second Edition
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Chapter Review Questions
The following questions reinforce the concepts that were covered in this chapter.
1. How long, in bits, is the DES key?
2. True or False: In 3DES, the same key is used to encrypt at each of the three stages.
3. Define a hash in your own words.
4. What is used to create a digital signature?
5. Define authentication and provide an example.
6. Define authorization and provide an example.
7. A hash check occurs at what point in the operation of MD5?
8. Of the security protocols covered in this chapter, which of them use generic routing encapsulation (GRE)?
9. Describe several security benefits of L2TP.
10. What are the three core SSH capabilities?
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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.