Your question is Full CRUD REST API in Node.js. 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).
Tell me about how you would write a Node.js application that provides RESTful GET, POST, PUT, and DELETE APIs to perform CRUD operations on a MongoDB database, handling requests and responses in JSON with proper status codes.