This course discusses the WAN technologies and network services required by converged applications in Enterprise Networks. Students learn how to implement and configure common data link protocols and how to apply WAN security concepts, principles of traffic, access control and addressing services. These include Network and Port Address Translation, Dynamic Host Configuration Protocol, Access Control Lists and introductions to IP version 6, VPN and broadband. Students learn how to detect, troubleshoot, and correct common enterprise network implementation issues. Emphasis is given to the use of decision making and problem solving techniques. Prerequisite: NET 101,NET 102,NET 103.