1 “..."In this CompTIA Security+ training course, expert author Mark Long will teach you everything you...”

2 “..."In this Learning Windows PowerShell training course, expert author Mark Long will teach you how...”

3 “..."In this Microsoft Transact - SQL training course, expert author Mark Long teaches you the basics...”

4 “..."In this Microsoft Exchange Server 2013 training course, expert author Mark Long teaches you...”

5 “..."In this Programming in Microsoft C# - Exam 70-483 training course, expert author Mark Long...”

6 “..."In this CompTIA A+ 220-801 training course, expert author Mark Long will teach you everything you...”

7 “..."In this CompTIA A+ 220-802 Exam training course, expert author Mark Long will teach you everything...”

8 “..."In this Microsoft SQL Server 70-461 Exam training course, expert author Mark Long teaches you...”

9 “..."In this Securing Windows Networks training course, expert author Mark Long teaches you the tools...”

10 “..."In this Wireless Networking Fundamentals training course, expert author Mark Long will teach you...”

11 “..."In this Windows Presentation Foundation Basics training course, expert author Mark Long will teach...”

12 “...? WPF wizard Mark Long shows you how in this entertaining and engaging course covering five key...”

13 “.... It's taught by 25 year IT veteran Mark Long in a fun, friendly, step-by-step manner designed for the learner...”

14 “.... In this video, CompTIA pro Mark Long uses hands-on demonstrations, photos, and animations to review the content...”

15 “... professional. Taught in a friendly, easy-to-understand style by long time database development expert Mark Long...”

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