Top 10 .NET Interview Questions for Freshers in 2026 (With Answers)

# Top 10 .NET Interview Questions for Freshers in 2026 (With Answers)

If you are a fresher preparing for a **.NET Developer interview**, you must know the most commonly asked questions.

In this blog post, I will share the **Top 10 .NET Interview Questions for Freshers in 2026** with simple answers.

This will help you crack interviews in companies like TCS, Infosys, Wipro, Accenture, Tech Mahindra, and startups.

---

## ✅ 1. What is .NET Framework?

**.NET Framework** is a Microsoft platform used to develop:

- Web Applications  

- Desktop Applications  

- APIs  

- Enterprise Software  

It supports multiple languages like C#, VB.NET, and F#.

---

## ✅ 2. What is the difference between .NET Framework and .NET Core?

| Feature | .NET Framework | .NET Core |

|--------|---------------|----------|

| Platform | Windows only | Cross-platform (Windows/Linux/Mac) |

| Performance | Slower | Faster |

| Future | Older | Modern and latest |

✅ Today, most companies use **.NET Core / .NET 6+**

---

## ✅ 3. What is CLR?

CLR stands for **Common Language Runtime**.

It is responsible for:

- Running .NET applications  

- Memory management  

- Garbage collection  

- Exception handling  

---

## ✅ 4. What is Managed Code?

Managed code is the code that runs under the control of CLR.

Example:

✅ C# code is managed  

❌ C/C++ code is unmanaged

---

## ✅ 5. What is OOP in C#?

OOP means **Object-Oriented Programming**.

Main concepts:

- Class & Object  

- Encapsulation  

- Inheritance  

- Polymorphism  

- Abstraction  

OOP makes code reusable and clean.

---

## ✅ 6. What is the difference between Abstract Class and Interface?

| Abstract Class | Interface |

|--------------|----------|

| Can have method implementation | Only method declaration |

| Supports constructor | No constructor |

| Single inheritance | Multiple inheritance possible |

---

## ✅ 7. What is ASP.NET MVC?

ASP.NET MVC is a framework used to build web apps using:

- Model (Data)

- View (UI)

- Controller (Logic)

It helps in creating clean, structured applications.

---

## ✅ 8. What is Dependency Injection?

Dependency Injection (DI) is a design pattern used to reduce dependency between classes.

Example:

Instead of creating objects manually, we inject them using services.

✅ Used heavily in ASP.NET Core.

---

## ✅ 9. What is Entity Framework?

Entity Framework is an ORM tool used to interact with databases using C# instead of SQL.

It supports:

- Code First Approach  

- LINQ Queries  

- CRUD Operations  

✅ It saves development time.

---

## ✅ 10. What is REST API?

REST API is used to connect frontend and backend.

HTTP methods:

- GET → Fetch data  

- POST → Add data  

- PUT → Update data  

- DELETE → Remove data  

APIs are widely used in modern web development.

---

# ✅ Bonus Tips for Freshers Interview

✅ Build 2–3 projects  

✅ Practice SQL queries  

✅ Improve communication  

✅ Explain your project clearly  

✅ Be confident

---

# ✅ Conclusion

These were the Top 10 interview questions every .NET fresher must prepare in 2026.

📌 Keep practicing daily and you will crack your developer job soon.

---

### 🚀 About Me

Hi, I’m **Arif**, a .NET Developer sharing tech career blogs, tutorials, and interview guidance for freshers.

Stay connected for more helpful posts 😊