Daniel P. Newman has been in the computer industry for more than 11 years, working as a consultant, systems integrator, programmer, development manager, and technical trainer for projects all over the world. As a systems integrator, Daniel has implemented several computer and network solutions to a wide variety of industries, ranging from titanium plants, diamond mines, robotic-control systems, and secure Internet banking. The exposure to countries such as Australia, Brazil, Canada, Chile, Malaysia, New Zealand, the United States, and the United Kingdom has given him expertise in presenting and implementing computer network solutions despite various cultural challenges and language barriers. Daniel is currently working as a senior technical trainer for Cisco and Microsoft products. He holds the following certifications: CCNP, CCDA, CSS1, CCSP, INFOSEC, MCSA, MCSE, MCDBA, MCT, A+, Network+, I-Net+, Server+, Security+, and Linux+. Daniel has also authored the Cisco PIX Firewall CSPFA 642-521 and has been a technical editor for CSI Safe 642-541 certification books in the CCSP Exam Cram 2 series. In his free time, when he is not trying to learn about the inside details of computing, Daniel enjoys hiking, scuba diving, Tai-Chi, and Aikido.