This report presents a comprehensive analysis of LAN and WAN network design for a fashion retail company with a head office in Sydney and five branch offices. The report begins by detailing the LAN design of the head office, including the location of workstations and interconnecting devices such as routers, switches, and wireless access points. It discusses the LAN topology, identifying its type and relevant protocols. The report also recommends effective media types for wireless and wired communication and identifies the connection methods that provide internet access to the head office. The second part of the report focuses on the WAN network design between the five offices and the head office, including devices used in the WAN and their functionalities such as modems, switches, routers, and access servers. It also examines the media type used to connect all offices to the head office and recommends a routing protocol, specifically packet switching, to maintain synchronous communication and efficient data transfer. The report concludes by summarizing the key concepts of LAN and WAN technologies, emphasizing their role in establishing connections between different network devices and providing a well-structured network architecture for the company.