Foundations of Information Technology: Networks and Distributed Systems

In today's digital landscape, understanding the underlying infrastructure of information technology is essential for making informed business and technical decisions. This text-based course demystifies the core concepts of IT, helping you grasp how computers communicate and how modern systems scale globally. Through clear explanations and practical written scenarios, you will transition from a curious beginner to someone who confidently understands the architecture of the modern internet. You will explore how data moves across networks, how distributed applications coordinate, and how cloud platforms manage massive scale. What you'll learn: * Understand the foundational hardware, software, and protocol layers that power the internet. * Learn how network routing, DNS, and IP addressing work to connect global systems. * Explore the principles of distributed computing, APIs, and modern cloud architecture. * Analyze security basics, including encryption, access control, and zero-trust concepts. * Evaluate how modern high-level automation tools streamline business processes without programming. * Practice designing high-level system architectures through written scenarios and conceptual exercises. The course begins with essential IT definitions and hardware basics before moving into networking protocols, distributed systems, and modern cloud security concepts. You will read real-world case studies and complete written exercises to reinforce your technical literacy. This course is designed specifically for beginners, business professionals, and aspiring tech enthusiasts who want to build a strong conceptual foundation in IT without writing code. No prior technical background or programming experience is required. Start reading today to build your foundational literacy in modern information technology.