Shawn TooleyShawn Tooley is a consultant and network administrator with over 15 years' experience implementing Citrix and Microsoft technologies in mid- to enterprise-level environments. Shawn holds multiple industry certifications, including the CCEA and MCSE. hawn is the co-author of: The Real MCTS/MCITP Exam 70-646 Prep KitThe Real MCTS/MCITP Exam 70-642 Prep KitHP/Compaq ASE Certification Exam: Covering Exams 010-695, 011-697 and 010-724 Read More Read Less