Network management, security, and maintenance

This lesson introduces the role of the network administrator, explaining their responsibilities regarding network management, security, and maintenance.

The administrator ensures the proper communication between computers, servers, printers, switches, routers, firewalls, and access points by organizing the local network structure and configuring the equipment. The lesson also outlines key tasks such as managing network addresses, users, and permissions, as well as security, monitoring, troubleshooting, and maintenance.

The final section highlights the importance of segmenting the network into distinct areas—such as those for students, faculty, administrative offices, guests, and servers—to improve security, organization, and traffic control.

Network Administrator

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Key points

The network administrator designs, configures, monitors, and maintains a computer network.

They configure devices such as switches, routers, firewalls, access points, and servers.

They manage network addresses, user accounts, groups, and permissions.

They protect the network through firewalls, passwords, updates, backups, and monitoring systems.

They monitor performance, connections, and device operation.

They perform troubleshooting by identifying and resolving faults through a step-by-step checking process.

They may divide the network into separate areas to improve security and organization.

Their work requires technical and organizational skills, as well as the ability to communicate with users.

febogamedev | July 12, 2026 | 5:35 am

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