Using Cisco Packet Tracer I have built a complex Network design for school.

A dot-matrix printer server and text conversion program

Make printers without Ethernet or Wifi connection available on LAN.

Configure Raspberry Pi 4 as Server for Printer, Files, Scanner and Shiny-Server

Scripts to resolve an issue where the print server stopped responding after connected printer is turned off for a duration of time.

python based "printer proxy" for homeserver with local printer hardwired. Bonjour support in progress