Chapter 1: Networking Fundamentals
Chapter 2: The Internet and How Data Travels Across Networks
Chapter 3: Network Types and Network Devices
Chapter 4: IP Addressing Fundamentals
Chapter 5: Subnetting, Subnet Masks, and CIDR Notation
Chapter 6: Routing and How Data Finds Its Destination
Chapter 7: Network Address Translation (NAT)
Chapter 8: Ports, Port Numbers, and Network Protocols
Chapter 9: Domain Name System (DNS): How the Internet Finds Websites
Chapter 10: Firewalls: Controlling Network Traffic
Chapter 11 - Linux Networking Commands and Troubleshooting
Chapter 14 - TLS/SSL & Digital Certificates
Chapter 15 - Reverse Proxies (NGINX)