Key .NET Interview Questions for Aspiring Developers

Top 50 ASP.NET Interview Questions and Answers in 2024

The interview plays a vital role in any job selection process. For that reason, preparation is key. Technical questions are part of the interview process, which impact more in the interview.

If you are planning to start your career as a developer, you have to possess some development skills that empower your ability to crack the interview.

If you want to make a career in Software development and improve your chances, then this ASP.NET Interview Questions and Answers tutorial will help you make your preparation easy.

So with no further ado, it’s time to get started.

Now you will look at the first category of ASP.NET Interview Questions and Answers.

Basic ASP.NET Interview Questions

1. What is ASP.NET?

ASP.NET is a server-side technology used for developing dynamic websites and web applications on the internet. It also produces data-driven web applications.

Microsoft released ASP.NET in 2002 to build dynamic websites and web applications using the .NET framework.

2. What platform does ASP.NET use?

ASP.NET is a cross-platform which works on the .NET framework and runs on Linux, Windows, macOS, and Docker.

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3. What is the ASP.NET Life Cycle, and list the types of Life Cycle?

When ASP.NET pages run, it goes through several steps of the life cycle, which performs a series of actions like initialization, running, restoring, and rendering.

Life Cycle is classified into two categories.

  1. Application Life Cycle: The user requests for accessing the application.
  2. Page Life Cycle: Page Life Cycle has phases like initialization, restoring, execution, and page rendering.

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4. What is MVC?

MVC is a software architectural pattern that divides an application into three main parts Model, View, and Controller.

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Model:- Model helps to create the data domain of the application and represents the public properties and business logic of the application.

View:- View represents the data tables, charts, and diagrams by collecting the data from the model.

Controller:- The controller helps in handling the user interactions and controls the flow of the application.

5. List the languages used for ASP.NET

ASP.NET uses Object-Oriented programming languages that provide a framework and patterns, which are easy to use.

Languages used by ASP.NET Framework are :

C-Sharp is a programming language developed by Microsoft that runs on the .NET framework.

It is used for developing web applications on the .NET framework.

VB.NET is a modern object-oriented programming language developed by Microsoft to combine the features of CLR and .NET.

6. What type of Library is used in ASP.NET?

A library is a pre-coded Object-Oriented Programming template collection used to develop web-based and desktop applications in ASP.NET.

ASP.NET uses a Web Library to develop web applications.

7. What is CLR?

CLR is the basic Common Language Runtime virtual machine component of the .NET framework used to run the code. It manages and executing .NET programs. And implements a Virtual Execution System (VES) internally.

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Services provided by CLR

8. What is IIS? And why do you use it?

Internet Information Server (IIS) is the most popular web server used to host and provide internet-based services to ASP.NET and ASP Web applications.

IIS has its own process engine to handle the requests. Using an IIS computer can work as a web server, and provides functionality to deploy ASP.NET Web applications. It is also responsible for providing responses to the requests made by the users.

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9. List types of Application Life Cycle.

Application Life Cycle is of five types:

10. List the advantages of using ASP.NET

ASP.NET is a development framework is used for developing web applications. It is one of the most preferred web development technologies at present.

There are a lot of benefits of using ASP.NET. Here are some advantages:

11. What is an Active Server Page?

Active Server Page is an HTML page used to develop dynamic web pages. It includes one or more scripts on the Microsoft web server before sending the request to the user.

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ASP was first released in December 1996. It is used to generate the content that is sent to the client web browser via HTTP response.

12. Describe Web Forms?

Web forms are web pages that a user requests using a browser. It is built using ASP.NET technology.

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It executes on the server and generates output to the browser. It also allows you to add and create custom controls.

Now, have a look at some custom controls provided by ASP.NET.

13. What is a Solution Explorer?

Solution Explorer displays the folder and files of a project that appears on a physical hard drive.

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14. List the components of ASP.NET.

ASP.NET provides data-driven web applications on the internet using various components.

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