Sayed Elmahdy

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Introduction

I have gathered this file to provide you with a comprehensive collection of important interview questions for .NET Developer, SQL, and C#, covering both basic and advanced levels. These questions will help you prepare thoroughly and confidently for your interviews.

This collection is based on my personal experience and what I’ve seen in the field, and I truly hope it will be beneficial to you as you learn and grow in software development.

هذا العمل ايضاً هو صدقة جارية على روح صديقي محمد عادل، رحمه الله. أتمنى من كل من استفاد من هذا الملف أو وجد فيه فائدة أن يدعو له بالرحمة والمغفرة: "اللهم اغفر له وارحمه، واجعل قبره روضةً من رياض الجنة"، وأن يدعو لي أيضًا بالستر والصحة وصلاح الحال والرزق.

common interview questions for a .NET Developer:

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

Answer:

• .NET Framework is the older, Windows-only version of .NET, primarily used for desktop and server applications.
• .NET Core is cross-platform, open-source, and designed for modern app development across Windows, Linux, and macOS. It offers better performance, support for microservices, and is the basis for the unified .NET 5 and later versions.

Can you describe the ASP.NET MVC Architecture?

Answer:

• ASP.NET MVC follows the Model-View-Controller pattern:
  • Model: Represents the application's data and business logic.
  • View: The user interface that displays the data.
  • Controller: Handles user input, interacts with the model, and decides which view to render. This separation of concerns allows for more organized and testable code.

How does Entity Framework work? What are its advantages?