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566 dotnet interview questions shared by candidates

OOPS in detail, Abstract & Int Difr Why we use interface Over abstratct Contracts in WCF WHY WE use WCF Inheritance Concpt in Deep Ocerrideing in deep Multithreading Oops Concept Whats ABC IN WCF How Thread can be used POLYMorp - Run Time & Compile MVVM Design Patterns Multiple CatchBlocks in atry Test Cases..Unit Testing Agile Method Generics.. definatio & Wen we use generics HASH table & Ditionary & Array List Diffr COntant & ReadOnly Optional ParaMeters
avatar

DotNet Developer

Interviewed at Diebold Nixdorf

3.5★
Feb 13, 2016

OOPS in detail, Abstract & Int Difr Why we use interface Over abstratct Contracts in WCF WHY WE use WCF Inheritance Concpt in Deep Ocerrideing in deep Multithreading Oops Concept Whats ABC IN WCF How Thread can be used POLYMorp - Run Time & Compile MVVM Design Patterns Multiple CatchBlocks in atry Test Cases..Unit Testing Agile Method Generics.. definatio & Wen we use generics HASH table & Ditionary & Array List Diffr COntant & ReadOnly Optional ParaMeters

What is the .NET Framework / .NET Core? How are they different? Explain the difference between a class and an object. What is an API? Have you created or consumed one using ASP.NET? What are controllers and actions in ASP.NET MVC or Web API? Explain the difference between GET and POST methods. What is a model in MVC architecture? What frontend technologies have you used? (e.g., HTML, CSS, JavaScript, React, Angular) How would you create a responsive layout in HTML/CSS? What is JavaScript, and how is it used in web applications? Have you worked with any frontend frameworks like React or Angular? What is the role of AJAX in web development? What is a relational database? Basic SQL queries: SELECT, INSERT, UPDATE, DELETE – can you write examples? What are primary keys and foreign keys? What is normalization? Why is it important? Have you used SQL Server or any other DBMS in your projects?
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Full-Stack DotNet Developer

Interviewed at RenoSync Software

4.7★
Jul 24, 2025

What is the .NET Framework / .NET Core? How are they different? Explain the difference between a class and an object. What is an API? Have you created or consumed one using ASP.NET? What are controllers and actions in ASP.NET MVC or Web API? Explain the difference between GET and POST methods. What is a model in MVC architecture? What frontend technologies have you used? (e.g., HTML, CSS, JavaScript, React, Angular) How would you create a responsive layout in HTML/CSS? What is JavaScript, and how is it used in web applications? Have you worked with any frontend frameworks like React or Angular? What is the role of AJAX in web development? What is a relational database? Basic SQL queries: SELECT, INSERT, UPDATE, DELETE – can you write examples? What are primary keys and foreign keys? What is normalization? Why is it important? Have you used SQL Server or any other DBMS in your projects?

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