ASP.NET Core Middleware & Pipeline 2

Question 1

Which built-in middleware handles serving static files in ASP.NET Core?

Accepted Answer

UseStaticFiles()

Answer

UseStaticFiles() enables serving files from the wwwroot folder by default.

Question 2

What is the role of the IApplicationBuilder interface in ASP.NET Core?

Accepted Answer

It configures the request processing pipeline

Answer

IApplicationBuilder provides methods like Use, Run, and Map to compose the middleware pipeline.

Question 3

Which middleware should be placed early in the pipeline to catch unhandled exceptions?

Accepted Answer

UseExceptionHandler()

Answer

UseExceptionHandler() wraps later middleware so it can catch and handle exceptions from any downstream component.

Question 4

What does app.UseWhen() do in ASP.NET Core?

Accepted Answer

Conditionally branches the pipeline and rejoins it

Answer

app.UseWhen() creates a conditional branch that rejoins the main pipeline after the branch completes.

Question 5

Which middleware is responsible for setting HTTP Strict Transport Security headers?

Accepted Answer

UseHsts()

Answer

UseHsts() adds the Strict-Transport-Security header instructing browsers to only use HTTPS.

ASP.NET Core Practice Test