Network Administration Essentials: Building and Managing Computer Networks

Computer networks are the backbone of modern business operations, requiring skilled administrators to keep systems running securely and efficiently. This course guides you through the core principles of network administration, giving you the confidence to manage infrastructure and support users effectively. You will gain a solid technical foundation in network design, configuration, and maintenance. What you'll learn: Understand essential networking protocols, the OSI model, and TCP/IP architecture. Configure IP addressing, subnetting, DNS, and DHCP services. Set up routers, switches, and basic firewall rules for secure traffic flow. Apply network monitoring methods to maintain system performance and uptime. Practice structured troubleshooting to resolve user connectivity issues. Explore modern cloud networking fundamentals and zero-trust security principles. The course begins with clear definitions of key terminology, foundational protocols, and hardware roles before moving into administration workflows and technical support practices. Designed specifically for absolute beginners, this course requires no prior experience in network administration. Begin reading today to build a strong foundation in computer network management.