Setting Up a LAN (Local Area Network)

https://lazyadmin.nl/home-network/home-network-diagram/

https://www.cctvcameraworld.com/configure-ip-camera-on-network/

https://raspberrytips.com/dhcp-server-on-raspberry-pi/

https://computer.howstuffworks.com/cable-modem.htm

https://www.auvik.com/franklyit/blog/history-of-the-modem/

https://developer.ibm.com/articles/l-lan/

https://www.kaspersky.com/resource-center/definitions/what-is-an-ip-address