Pawan K. Bhardwaj (MCSE, MCSA, MCT, Security+, Network+, i-Net+, A+) is an independent technical trainer, editor, and author. He has been actively involved in Windows system administration ever since Windows NT 3.51 was released. In the past 17 years, he has worked at various system and network support levels for small and medium-sized companies. Some of his major projects included working for India’s largest newspaper groups and a large e-commerce organization in the United States where he had an active involvement in the design and implementation of a large-scale LAN and WAN solutions based on Windows technologies. In 1997, Pawan was one of the first 100 in India to attain the MCSE credential. He teaches Windows administration and networking classes and is also involved in development of custom training manuals. He has authored or contributed to more than 15 certification and noncertification books for major U.S. publishers. He also works as a technical reviewer for Sams Publishing and Que Publishing. He was the author of A+, Network+, and Security+ Exams in a Nutshell (O’Reilly Media, Inc., 2007). When he is not doing technical work, Pawan enjoys singing karaoke and doing community service at the local temple.