Dive into the backbone of the digital world with 'Networking Fundamentals: How the Internet Really Works.' This course covers foundational concepts and practical skills, starting with the OSI and TCP/IP reference models that guide all network communication. You'll master IP addressing and subnetting to efficiently design and segment networks. The course explores essential services like DNS (Domain Name System), DHCP (Dynamic Host Configuration Protocol), and NAT (Network Address Translation), as well as fundamental routing and switching concepts that direct data across the internet. Rounding out the course, you'll get hands-on with common network protocols (HTTP, HTTPS, FTP, SMTP, and more), network security basics, wireless networking principles, and the latest trends in internet connectivity. Ideal for beginners or IT professionals seeking a solid grounding in networking.