Mark A. Dye Mark is the lead network engineer for Kwajalein Range Services at Ronald Reagan Ballistic Missile Defense Test Site on Kwajalein, Marshall Islands. He is responsible for the network team that provides design, deployment, and operation of all the missile test range data networks across ten islands as well as three continental U.S. locations. He has previously worked as subject matter expert and content team lead for the Cisco Academy Program as well as an author for multiple Cisco Network Academy Fundamentals online courses. He worked to develop and review courseware and assessments for both the Academy and certification programs. For more than 20 years, Mark served as technology manager for The Bevill Center for Advanced Manufacturing Technology of Alabama Technology Network. He developed and implemented comprehensive network strategies for intranet and Internet, including policies, administrative procedures, network security, and interconnectivity. He also implemented and taught Cisco Networking Academy Fundamentals of Wireless LANs, Fundamentals of Network Security, and CCNA and CCNP courses at The Bevill Center for instructors and students. Allan D. Reid Allan is a professor and program supervisor at Centennial College in Toronto, Ontario, Canada, where he teaches courses in networking, network security, virtualization, and cloud computing. He is the lead for the Centennial College ASC/ITC and has been teaching the academy curriculum since one of the earliest versions. Allan has authored multiple books and online courses for the Cisco Academy program, where he is a subject matter expert and content team lead. He works as part of the core team to develop state-of-the-art assessments and courseware. Outside of his academic responsibilities, Allan has been active in the computer and networking fields for more than 30 years and is currently a principal in a company involved in the design, installation, and management of network solutions for small to medium-sized companies.