ASP.NET Core Middleware & Request Pipeline 3

Question 1

Which property of HttpContext gives access to the response body stream?

Accepted Answer

HttpContext.Response.Body

Answer

HttpContext.Response.Body is the stream to which middleware writes the HTTP response body.

Question 2

What does UseHsts() middleware do?

Accepted Answer

Adds HTTP Strict Transport Security headers

Answer

UseHsts() adds the Strict-Transport-Security response header, instructing browsers to only connect via HTTPS.

Question 3

What is the purpose of UseResponseCompression() middleware?

Accepted Answer

Compresses HTTP responses to reduce bandwidth

Answer

UseResponseCompression() compresses HTTP responses using Gzip or Brotli to reduce response size and improve performance.

Question 4

Which interface provides access to middleware-specific features from HttpContext?

Accepted Answer

IFeatureCollection

Answer

HttpContext.Features returns an IFeatureCollection that provides access to server and middleware feature interfaces.

Question 5

What happens when middleware adds to HttpContext.Items?

Accepted Answer

Data is shared only for the lifetime of the current request

Answer

HttpContext.Items is a dictionary scoped to the current request, allowing middleware and handlers to share data within a single request.

ASP.NET Core Practice Test