CS Foundations: Wi-Fi, Network Devices, and Protocols

Preparing for computer science exams or technical interviews requires a crystal-clear understanding of how data moves across wireless and wired networks. This text-based course helps you quickly grasp and review the core principles of Wi-Fi technology, critical network devices, and application layer protocols. You will start with key terminology and foundational definitions before moving into practical networking scenarios. By reading through these structured explanations, you will build a strong conceptual framework that makes exam preparation straightforward and highly effective. What you'll learn: - Understand the foundational standards of Wi-Fi technology, including modern standards like Wi-Fi 6 and Wi-Fi 7. - Identify the roles and functions of key network devices such as hubs, switches, routers, and access points. - Explore the application layer protocols that power the web, including DNS, HTTP/2, and HTTP/3. - Analyze how wireless signals transmit data and the basics of network security protocols like WPA3. - Practice solving common computer science exam-style questions through written scenarios and conceptual exercises. This course begins with core terminology and wireless standards before moving into physical network hardware and upper-layer protocols. The material is structured as clear, readable explanations paired with practical review questions to reinforce your knowledge. This course is designed for computer science students, IT aspirants preparing for foundational exams, and beginners looking for a structured networking refresher. No advanced networking background is required. Start reading today to solidify your networking fundamentals.