Roberta Bragg Books

Network Security: The Complete Reference

By Keith Strassberg, Roberta Bragg, Mark Rhodes Ousley

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Hardening Windows Systems

By Roberta Bragg

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Information Security Perspective on Intranets, Internets, and E-commerce

By Jae Lee, Steve Riley, Roberta Bragg, Daniel Lopez Ridreujo, Dennis Vieland, Alan Liska, David King, Efraim Turban, Rich Brown, Jesper M Johansson

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Microsoft Windows Server 2003 Security Administrator s Companion Pro Technical References

By Roberta Bragg, Microsoft Corporation, Mike Danseglio

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MCSE Self-Paced Training Kit (Exam 70-298): Designing Security For A Microsoft® Windows Server(TM) 2003 Network

By Roberta Bragg

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Ace your preparation for the skills measured by MCP Exam 70-298—and on the job—with this official Microsoft study guide. Work at your own pace through a system of lessons, practice exercises, and d...

MCSE Windows 2000 Network Security Design: Training Guide Exam 70-220

By Roberta Bragg, Bragg, Roberta

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Exam 70-220, Designing Security for a Windows 2000 Network tests the skills required to analyze the business requirements for security and design a security solution that meets business requirement...

Windows 2000 Security Landmark

By Roberta Bragg

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MCSE Training Guide 70 244

By Dennis T. Maione, Roberta Bragg, Jim Cooper

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CISSP Training Guide

By Roberta Bragg

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CISSP Training Guide

By Roberta Bragg

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How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

If you’re in the world of books—whether as a publisher, librarian, bookseller, or avid collector—you’ve likely come across the terms ISBN-10 and ISBN-13. Understanding these formats and knowing how to convert between them is essential for maintaining consistency and compatibility in book records. In this post, we’ll cover everything you need to know about ISBN conversions, step by step.

What is an EAN and How Does it Relate to an ISBN?

If you’ve ever purchased a product online or in a store, you’ve likely come across a barcode. Behind these barcodes lies a standardized system that makes modern commerce possible. Two key codes often encountered are the EAN (European Article Number) and ISBN (International Standard Book Number). But what are they, how are they connected, and why are they so crucial? Let’s explore.