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Matt Walker, CCNA, CCNP, MCSE, CEH, CNDA, CPTS, is the IA Training Instructor Supervisor and a Senior IA Analyst at Dynetics, Inc., in Huntsville, Alabama. An IT education professional for more than 15 years, Matt served as the Director of Network Training, the Curriculum Lead, and Senior Instructor for the local Cisco Networking Academy on Ramstein AB, Germany. After leaving the US Air Force, he served as a Network Engineer for NASA's Secure Network Systems, designing and maintaining secured data, voice, and video networking for the agency.