Que Certification is among the industry's leading providers of IT certification training materials, publisher of the Exam Cram 2 series, the best-selling certification series of all-time. Que Certification's books are written by authors who are recognized experts in the field. In most cases, they are current or former instructors, trainers, or consultants who not only know what you need to know, they know how to present the information in a manner that is easily understood by our readers.

Ed Tittel worked as an instructor for Austin Community College from 1997 through 2003 and taught at Interop from 1996 to 2004. He is a Network Certified Professional, and works as a full-time freelance writer and consultant in Austin, TX. He has contributed to over 130 books on computing across a broad range of subjects, and is the author of numerous titles published by Course Technology. He also writes and blogs for numerous TechTarget.com and other Websites.