Students are introduced to the architecture, structure, functions. components, and models of the Internet and other computer networks following Cisco Academy recommendations. OSI and TCP layered models will be used to examine the nature and roles of protocols and services at the application, network, data link, and physical layers. The principles and structure of IP addressing and the fundamentals of Ethernet concepts, media, and operations are introduced to provide a foundation for the curriculum. Dedicated labs allow students to analyze real world data without affecting production networks. Emphasis is given to the use of decision making and problem solving techniques. This is the first course in the four semester CISCO Systems CCNA Exploration program. Prerequisite: MAT 098. Corequisite: CIS 100 or equivalent computer experience.