Network Implementations and Operations

Updated in May 2025. This course now features Coursera Coach! A smarter way to learn with interactive, real-time conversations that help you test your knowledge, challenge assumptions, and deepen your understanding as you progress through the course. Master the principles of modern networking with this comprehensive course on network implementations, operations, and security. Gain in-depth knowledge of essential networking concepts and learn how to effectively deploy, manage, and secure networked devices. This course is designed to provide a solid foundation in routing, switching, wireless infrastructure, and cellular technologies, ensuring you are equipped with the practical skills necessary for any networking environment. The journey begins with practical insights into network implementations, covering Ethernet switching, wireless encryption, and cellular technologies like 5G. You'll explore the deployment of network devices, understand bandwidth management, and examine wireless infrastructures, ensuring a holistic understanding of network connectivity. Next, delve into the realm of network operations, where you'll learn to monitor performance metrics, analyze device logs, and manage network availability. This section emphasizes critical operational aspects, including SNMP protocols, disaster recovery planning, and security policies, preparing you to handle real-world challenges in network environments. Finally, uncover the principles of network security, focusing on foundational models like CIA and Zero Trust, cryptographic techniques, and advanced defense strategies. You'll also explore authentication methods, vulnerability assessments, and countermeasures against diverse threats. This course is ideal for IT professionals, networking enthusiasts, and students with a basic understanding of networking concepts.