- LAN vs WAN Local networks and wide area networks
- Public vs Private IP address How IP addresses are shared locally
- NAT How a LAN translates IP addresses in a router
- MAC Address the addresses built into equipment
- DHCP How IP addresses are normally allocated
- IPV4 vs IPV6 Changing to a new form of IP address
- How DNS Works how to find computers IP from their name
- DNS Records how the PC looks up computers on the internet
- Hubs, switches and routers what are the differences