This course will investigate the protocols used to support network based services and the tasks involved in configuring and administering those services in virtualized Linux and Windows internet working environments. Topics include an overview of the TCP/IP protocol suite, in-depth discussions of the transport layer protocols, TCP and UDP, administration of network based services including the Dynamic Host Configuration Protocol (DHCP), Domain Name Service (DNS), Secure Shell (SSH), and Voice Over IP (VoIP). Students completing this course will have thorough theoretical knowledge of the Internet Protocol (IP), the Transport Control Protocol (TCP), and the User Datagram Protocol (UDP), as well as experience in administering, monitoring, securing and troubleshooting an internet work of computer systems running these protocols and services.