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CertiGuide to Security+

For Exam SY0-101
Ò Security+ Certification

Original Authors: Tcat Houser, with Helen O’Boyle, Ian Kayne, Angella Hebert, Michael Woznicki and Alex Moreno, Jr.; Lead Editor: Martha Babiak

Edited and adapted with permission by Charles M. Kozierok


Welcome to the online CertiGuide for Security+. My name is Charles and I am the publisher and webmaster of I hope you will find the material here useful to you in your studies.

Here are some tips for understanding how the material is organized and how best to navigate through it:

  • Hierarchy Navigation: Near the top of each page of the site you will see in a green-outlined box a cascading set of links that reflect your current position in the CertiGuide’s organizational structure. You can click any of these links to go up one or more levels in the hierarchy.

  • Accessing the Table Of Contents: To the left of the hierarchy navigation box is the table of contents button. Click it to bring up the full contents of.the CertiGuide.

  • Next/Previous Section/Topic Navigation: At the top and bottom of each page is a solid green box that contains buttons and links for moving sequentially through the Guide. On the far left and far right of this box are text links and large arrows that take you directly to the start of the previous or next full topic or section. These always take you to the first page of any topic that has multiple pages, to allow you to skip all the pages of any topic you don’t want to read.

  • Direct Page Navigation: In the middle of the green box you will see a navigation display for moving easily through the pages of a topic. Each page number is listed, with the current page shown in white text on a dark background, and the other pages hyperlinked for easy direct access.

  • Next/Previous Page Navigation: You will also see in the green box smaller arrows that take you to the previous or next page of the CertiGuide to Security+. The small left arrow goes to the previous page of the current topic, or if you are on its first (or only) page, the last page of the previous topic. The right arrow goes to the next page of the current topic, or if you are on its last (or only) page, takes you to the first page of the next topic. You can use these arrow to move sequentially through the entire CertiGuide.

  • Text Links: At the bottom of each page are a set of text links that take you to the top of this CertiGuide or its table of contents. There are also links to the home page, and the page where you can contact me with questions or feedback. I welcome your feedback, comments and suggestions.

Just a reminder that all of the material on this site is protected by copyright law and may not be reproduced without permission. Also, the material is provided on an as-is basis and I am not responsible for any loss that may result from your use of it.

Last but definitely not least: this site is provided as an online reference resource for casual use. Please do not use software to try to mass-download the pages of this site. The CertiGuide contains over 600 pages, and doing this severely degrades server performance, making it difficult for others to use the site. For this reason, you risk having your access to the site blocked by an automatic script if you try to do this.

If you like the CertiGuide to Security+ enough to want your own copy in convenient PDF format, please consider ordering the inexpensive PDF equivalent from I would also appreciate it if those who are using the CertiGuide extensively for commercial purposes would license it.

Thanks again and enjoy the site!



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CertiGuide for Security+ ( on
Version 1.0 - Version Date: November 15, 2004

Adapted with permission from a work created by Tcat Houser et al. Version Copyright 2004 Charles M. Kozierok. All Rights Reserved.
Not responsible for any loss resulting from the use of this site.