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Middleware & Pipeline Flashcards

6 cards from real ASP.NET Core practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 6 Middleware & Pipeline flashcards as text

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

    Answer: app.UseMiddleware()

    app.UseMiddleware() registers a custom middleware class in the request pipeline.

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

    Answer: IMiddleware

    IMiddleware defines the InvokeAsync method that the factory-activated middleware pattern requires.

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

    Answer: To call the next middleware in the pipeline

    Calling next(context) passes control to the subsequent middleware component in the pipeline.

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

    Answer: app.Run()

    app.Run() adds terminal middleware that never calls next, ending the pipeline branch.

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

    Answer: Branches the pipeline based on a URL path match

    app.Map() creates a conditional branch in the pipeline that activates when the request path matches.

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

    Answer: UseRouting() before UseAuthorization()

    UseRouting() must precede UseAuthorization() so that route data is available when authorization policies are evaluated.