Freshers (0–2 years)

.NET Core Interview Questions for Freshers

Preparing for your first .NET Core interviews? This set is curated for freshers and early-career developers (0–2 years): the 29 questions that come up most for entry-level roles, each with a clear answer, example code and follow-ups.

29Questions15Beginner14Intermediate

29 .NET Core questions

  1. 1What are minimal APIs in .NET Core?Intermediate
  2. 2What is authentication vs authorization?Intermediate
  3. 3What is IHttpClientFactory?Intermediate
  4. 4What are filters in ASP.NET Core?Intermediate
  5. 5What is caching in .NET Core?Intermediate
  6. 6What is model validation in ASP.NET Core?Intermediate
  7. 7What is logging in .NET Core?Intermediate
  8. 8Explain configuration providers in .NET CoreIntermediate
  9. 9What is asynchronous programming in .NET Core and why is it important?Intermediate
  10. 10Explain Dependency Injection lifetimes in .NET CoreIntermediate
  11. 11What is Entity Framework Core?Beginner
  12. 12What is IActionResult?Beginner
  13. 13What is model binding?Beginner
  14. 14What is routing in ASP.NET Core?Beginner
  15. 15What is Kestrel server?Beginner
  16. 16What is appsettings.json?Beginner
  17. 17What is Dependency Injection in .NET Core?Beginner
  18. 18What is middleware in ASP.NET Core?Beginner
  19. 19What is Program.cs in .NET Core?Beginner
  20. 20What is .NET Core and how is it different from .NET Framework?Beginner
  21. 21What is .NET Core and how is it different from .NET Framework?Beginner
  22. 22What is Dependency Injection in .NET Core?Intermediate
  23. 23How does configuration work in .NET Core?Intermediate
  24. 24What is routing in .NET Core?Beginner
  25. 25What is CommandType in ADO.NET and why is it important?Intermediate
  26. 26What is ExecuteScalar in ADO.NET and when should you use it?Beginner
  27. 27How does .NET Core support microservices architecture?Beginner
  28. 28Why is async/await important in .NET Core?Beginner
  29. 29How does logging work in .NET Core?Intermediate

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Frequently asked questions

Which .NET Core questions do freshers (0–2 years) get asked?

This page collects 29 .NET Core interview questions aligned with freshers (0–2 years), ranging across the difficulty levels that match that experience band.

How do I prepare for a .NET Core interview with my experience level?

Work through these questions in order, make sure you can explain each answer out loud, and pay attention to the real-world examples and follow-ups — interviewers at this level care as much about reasoning as the final answer.

Do the answers include code and examples?

Yes — answers include explanations, code examples where relevant, common mistakes to avoid and follow-up questions so you are ready for the full interview conversation.