Top 51 .Net Core Interview Questions

.Net Core Interview Questions

Job interviews can feel scary, especially for technical jobs. If you’re interested in working with .NET Core, a kind of computer framework, getting ready is super important. It doesn’t matter if you’re really good at coding or just starting out – knowing the basics is really helpful. This article has a list of the top 10 .NET Core interview questions that interviewers often ask. By reading the questions and answers, you can get ready to show off what you know during your interview. This will help you do well and hopefully get the job you want!

.Net Core

.NET Core is like a toolbox for making new computer programs. It was made by Microsoft and came out in 2016. This toolbox is special because it’s free, works on different types of computers, and helps create modern programs that can connect to the internet and clouds.

Inside this toolbox, there are different parts you can choose from to build your program, like picking the right tools for a job. You can use different programming languages, such as C#, F#, and Visual Basic.In short, .NET Core is a strong toolbox for making modern programs that can work on lots of different computers. People like it because it’s flexible, works on many types of computers, and is easy to work with. It’s great for all sorts of programs, from websites to mobile apps and games.

Top 51 .NET Core Interview Questions

Here are 51 top .NET Core interview questions:

1. What is .NET Core?
2. What are the key features of .NET Core?
3. Explain the difference between .NET Core and .NET Framework.
4. Describe the advantages of using .NET Core.
5. What platforms does .NET Core support?
6. Explain the concept of self-contained deployment in .NET Core.
7. What is the role of Globalization and Localization in .NET Core?
8. What is the difference between SDK-style projects and non-SDK-style projects?
9. How does .NET Core achieve cross-platform compatibility?
10. What is the role of the dotnet CLI in .NET Core development?
11. Explain the term “dotnet restore” in .NET Core.
12. How does Dependency Injection work in .NET Core?
13. What are the benefits of using Dependency Injection?
14. What is the purpose of the ConfigureServices and Configure methods in Startup.cs?
15. How is configuration managed in .NET Core applications?
16. Explain the concept of Middleware in ASP.NET Core.
17. What is Kestrel and how is it used in ASP.NET Core?
18. Describe the use of Razor Pages in ASP.NET Core.
19. What is the difference between Razor Pages and MVC in ASP.NET Core?
20. Explain Tag Helpers in ASP.NET Core.
21. How can you secure an ASP.NET Core application?
22. What is JWT authentication in ASP.NET Core?
23. Explain the purpose of the appsettings.json file in ASP.NET Core.
24. How can you implement logging in ASP.NET Core?
25. What is the purpose of the TempData dictionary in ASP.NET Core?
26. Explain the concept of Middleware Authentication in ASP.NET Core.
27. How can you use Entity Framework Core for database access in .NET Core?
28. What is the difference between EF Core and Entity Framework 6?
29. Explain the purpose of migrations in Entity Framework Core.
30. What is ASP.NET Core Web API and how is it used?
31. How can you implement versioning in ASP.NET Core Web API?
32. Explain the concept of model binding in ASP.NET Core MVC.
33. What is the use of IActionResult in ASP.NET Core MVC?
34. How can you implement caching in ASP.NET Core applications?
35. Explain the purpose of Health Checks in ASP.NET Core.
36. What is gRPC and how is it used in .NET Core?
37. How does asynchronous programming work in .NET Core?
38. Explain the concept of Task Parallel Library (TPL) in .NET Core.
39. What is the purpose of CancellationToken in asynchronous programming?
40. How can you implement unit testing in .NET Core?
41. What is the role of the xUnit testing framework in .NET Core?
42. Explain the concept of middleware pipeline in ASP.NET Core.
43. What is the purpose of IHostedService in .NET Core?
44. How can you handle errors and exceptions in .NET Core applications?
45. What is the use of IIS in hosting ASP.NET Core applications?
46. Explain the concept of background services in .NET Core.
47. How can you implement cross-site scripting (XSS) protection in ASP.NET Core?
48. What is the purpose of the HttpClientFactory in .NET Core?
49. Explain the concept of model validation in ASP.NET Core MVC.
50. How can you implement distributed caching in .NET Core?
51. What is the role of the CancellationTokenSource in asynchronous programming?

Conclusion

In conclusion, these top 51 .NET Core interview questions cover a comprehensive range of topics related to .NET Core, ASP.NET Core, and associated technologies. These questions are designed to assess the depth of your understanding, practical experience, and proficiency in working with the framework. Being well-prepared to answer these questions can greatly enhance your chances of succeeding in .NET Core-related job interviews.

Remember to not only memorize the answers but also understand the underlying concepts and be able to explain them clearly. This will demonstrate your genuine expertise and readiness to contribute to .NET Core projects effectively.

FAQ – Top 51 .Net Core Interview Questions