Network administration is the process of managing and maintaining computer networks within an organization. It involves the operation, supervision, and maintenance of these networks, which include Local Area Networks (LANs), Wide Area Networks (WANs), and other related network systems. Network administrators are responsible for ensuring the network's availability, performance, security, and functionality. Their duties may include setting up network infrastructure, monitoring network components, troubleshooting issues, configuring routers and switches, implementing security measures, managing user access, and providing technical support to network users. Network administration is a vital role in managing an organization's network infrastructure effectively and efficiently.