Express

Question 1

How do you mount a middleware with an Express application?

Answer 1

functions are functions that have access to the request object (req), the response object (res), and the next middleware function in the application’s request-response cycle. App.use

Question 2

Which objects does an Express application pass to your middleware to manage the request/response lifecycle of the server?

Answer 2

res and req objects

Question 3

What is the appropriate Content-Type header for HTTP messages that contain JSON in their bodies?

Answer 3

application/json

Question 4

What is the significance of an HTTP request’s method?

Answer 4

A route method is derived from one of the HTTP methods