CID

Thomas M. Thomas, CCSI, CCNP, CCDP, CCDA, CCNA (Raleigh, NC) is the founder of NetCerts.com (www.netcerts.com) and the Cisco Professional Association Worldwide (www.ciscopaw.org). He was previously a course developer for Cisco Systems and a group leader of MCI's Managed Network Services Advanced Engineering Team. Thomas is currently working as an instructor/consultant for Mentor Technologies (www.mentortech.com) and as the Cisco Content Director of CCPrep.com. Doris E. Pavlichek, CCNA, CCDA (Mount Airy, MD) is the Director of Customer Service for Ericsson IP Infrastructure in Rockville, MD, where she leads a team of senior engineers performing Tier 3 support of Ericsson routers and switches. She has 15 years of networking experience, including design, implementation, and advanced troubleshooting in both government and business environments. She has also spent time teaching, performing site surveys, and specializing in network management and security.