C# Programming — MCQ Practice Questions & Answers

Question 1

In ASP.NET, what is the purpose of the Global.asax file?

Accepted Answer

Correct answer: A. To define application-level events and methods — Global.asax handles application-level events like Application_Start, Application_End, and Session_Start.

Answer

B. To store database connection strings

Answer

C. To configure web server settings

Answer

D. To manage user authentication only

Question 2

Which attribute is used to mark a method as an HTTP endpoint in ASP.NET Core?

Accepted Answer

Correct answer: B. [HttpGet] — [HttpGet], [HttpPost], [HttpPut], [HttpDelete] attributes define HTTP methods for controller actions in ASP.NET Core.

Answer

A. [Route]

Answer

C. [ApiController]

Answer

D. [EndPoint]

Question 3

What is the difference between ASP.NET Framework and ASP.NET Core?

Accepted Answer

Correct answer: A. ASP.NET Core is cross-platform while Framework runs only on Windows — ASP.NET Core is cross-platform (Windows, Linux, macOS) and open-source, while ASP.NET Framework is Windows-only.

Answer

B. Framework is newer than Core

Answer

C. Core only supports MVC pattern

Answer

D. Framework and Core are identical

Question 4

Which of the following is NOT a built-in state management technique in ASP.NET?

Accepted Answer

Correct answer: D. Block State — ViewState, Session State, Application State, and Cookies are valid state management techniques. Block State is not a standard ASP.NET technique.

Answer

A. ViewState

Answer

B. Session State

Answer

C. Application State

Question 5

What is the role of Middleware in ASP.NET Core?

Accepted Answer

Correct answer: A. To process HTTP requests and responses in a pipeline — Middleware components handle cross-cutting concerns like authentication, logging, and exception handling in the request pipeline.

Answer

B. To manage database connections

Answer

C. To encrypt sensitive data

Answer

D. To compile C# code

Question 6

In an ASP.NET Core application, where is Dependency Injection configured?

Accepted Answer

Correct answer: A. In the Startup.cs ConfigureServices method — Dependency Injection is configured in the ConfigureServices method of Startup.cs (or Program.cs in newer versions).

Answer

B. In the web.config file

Answer

C. In the appsettings.json file only

Answer

D. In the Global.asax file

Question 7

What is the purpose of the [ValidateAntiForgeryToken] attribute in ASP.NET MVC?

Accepted Answer

Correct answer: A. To prevent Cross-Site Request Forgery attacks — [ValidateAntiForgeryToken] verifies that form submissions come from your application, preventing CSRF attacks.

Answer

B. To validate user input format

Answer

C. To encrypt form data

Answer

D. To authenticate user sessions

Question 8

Which of the following methods is used to pass data from Controller to View in ASP.NET MVC?

Accepted Answer

Correct answer: A. ViewBag and ViewData — ViewBag (dynamic) and ViewData (dictionary) are common ways to pass data from Controller to View in ASP.NET MVC.

Answer

B. Session State only

Answer

C. Query strings only

Answer

D. Cookies only

C# Programming - MCQ Practice Questions