Your question is Web Request Lifecycle. Take a moment with it on the right.
Talk me through your thinking if you like. When you're confident, submit your answer and I'll grade it like a real screen (7/10 or better passes).
What happens to a request when you hit Enter in a web browser?
Explain the request lifecycle in execution order, covering browser processing, DNS resolution, connection establishment, HTTP exchange, server handling, response delivery, and rendering. Call out key dependencies, caching layers, failure points, and the signals you would use to diagnose a slow or failed request.