This course introduced the fundamental concepts in computer communications networks, this course taught the principles and practices of designing, building, and operating computer networks, particularly the Internet securely and effectively.

• Describe the layered network protocol architecture.
• Outline the Link Layer services, protocols, and resource management mechanisms including error detection and correction, addressing, flow control, medium access control, CSMA/CD and CSMA/CA.
• Outline the Network Layer services and protocols including IP addressing, unicast and multicast routing, IP, and ICMP.
• Outline the Transport Layer services, protocols, and control mechanisms, including multiplexing/demultiplexing, end-to-end error control, flow control, and congestion control, TCP and UDP.
• Use network traces to analyze the protocols.
• Outline the Application Layer and the policies and mechanisms used in process communication including client/server, peer-to-peer and sockets. Describe how web, DNS work.