ASP.NET Core Middleware & Pipeline

Question 1

What method is used to add middleware to the ASP.NET Core request pipeline?

Accepted Answer

app.UseMiddleware()

Answer

app.AddMiddleware()

Answer

app.RegisterMiddleware()

Answer

app.InsertMiddleware()

Question 2

Which interface must a custom middleware class implement to be recognized by ASP.NET Core's IMiddlewareFactory?

Accepted Answer

IMiddleware

Answer

IRequestHandler

Answer

IPipelineComponent

Answer

IHttpMiddleware

Question 3

What is the purpose of the 'next' delegate in ASP.NET Core middleware?

Accepted Answer

To call the next middleware in the pipeline

Answer

To return a response immediately

Answer

To log the request

Answer

To authenticate the user

Question 4

Which middleware method creates a branch in the pipeline that does NOT rejoin the main pipeline?

Accepted Answer

app.Run()

Answer

app.Use()

Answer

app.Map()

Answer

app.Branch()

Question 5

What does app.Map() do in an ASP.NET Core middleware pipeline?

Accepted Answer

Branches the pipeline based on a URL path match

Answer

Maps a route to a controller

Answer

Registers middleware globally

Answer

Creates a new application instance

Question 6

In what order should UseRouting() and UseAuthorization() be called in the ASP.NET Core pipeline?

Accepted Answer

UseRouting() before UseAuthorization()

Answer

UseAuthorization() before UseRouting()

Answer

Order does not matter

Answer

They cannot be used together