System design scenario
If you have one server with a single public IP address, and you need to host websites for several businesses (for example: a café, a butcher shop, and a repair shop), each with its own URL/domain, how would you set it up?
Explain how multiple domains can be served from the same public IP.
The interviewer then asked for more detailed implementation steps.
Linux fundamentals
Explain what happens under the hood when the ls command is executed in Linux.