Interview Question

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

2. What is Dependency Injection in .NET Core?
3. Explain the concept of Middleware in ASP.NET Core.
4. What is the difference between AddScoped, AddSingleton, and AddTransient?
5. What is the role of Program.cs and Startup.cs in .NET 6/7?
6. How do you handle configuration and logging in .NET Core?

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### ✅ **ASP.NET MVC**

7. Explain MVC architecture with a real-time project example.
8. Difference between TempData, ViewData, and ViewBag.
9. What are different types of Filters in MVC?
10. How does routing work in MVC? Explain attribute routing.

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### ✅ **SQL Server**

11. Write a SQL query to find the second highest salary.
12. Difference between Clustered and Non-Clustered Index.
13. What is a CTE (Common Table Expression) and its use case?
14. How to delete duplicate records from a table but keep one?
15. Difference between DELETE, TRUNCATE, and DROP in SQL Server.

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### ✅ **Angular**

16. Difference between Observable and Promise in Angular.
17. Template-driven vs Reactive Forms in Angular.
18. What is an HTTP Interceptor in Angular?
19. What is Change Detection and how does it work in Angular?
20. How do you call and bind REST API data in Angular component?

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