Paul Mancuso, MCITP, MCSE, MCT, has been an instructor, consultant, and writer in the IT field for 20+ years, with a focus on certification training. David R. Miller, MCITP, MCT, CISSP, is an IT consultant specializing in information systems security and network engineering. Sam Sena, MCITP, MCT, CISSP, is a consultant and author focusing on IT infrastructure solutions and business continuity planning. GrandMasters specializes in content and exam development and custom technical support.
