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Network Administration involves managing and maintaining an organization's network infrastructure, including local area networks (LANs), wide area networks (WANs), intranets, and extranets. It encompasses designing, implementing, monitoring, and troubleshooting network systems to ensure optimal performance, security, and availability for web development and server management purposes. Network administrators are responsible for configuring network hardware such as routers, switches, and hubs, as well as managing software applications that enable network functionality. They also play a crucial role in implementing security measures to protect the network from unauthorized access or data breaches, and in ensuring compliance with relevant regulations and industry standards. In this hierarchy, Network Administration falls under Server Management and is closely related to Technology and Web Development, as these areas heavily rely on robust and secure network infrastructure for their operations and growth.