How the internet works (K-A)

• Wires, cables, and WiFi (K-A)
• IP addresses and DNS (K-A)
• Packets, routers, and reliability (K-A)
• HTTP and HTML (K-A)
• Encryption and public keys (K-A)
• Cybersecurity and crime (K-A)
• Learn more about the internet on Khan Academy (K-A)