Interview questions and answers .NET, ASP.NET, OOPS and SQL Server

Basic .NET, ASP.NET, OOPS and SQL Server Interview questions and answers.

• What is IL code, CLR, CTS, GAC & GC?
• How can we do Assembly versioning?
• can you explain how ASP.NET application life cycle and page life cycle events fire?
• What is the problem with Functional Programming?
• Can you define OOP and the 4 principles of OOP?
• What are Classes and Objects?
• What is Inheritance?
• What is Polymorphism, overloading, overriding and virtual?
• Can you explain encapsulation and abstraction?
• What is an abstract class?
• Define Interface & What is the diff. between abstract & interface?
• What problem does Delegate Solve ?
• What is a Multicast delegate ?
• What are events and what's the difference between delegates and events?
• How can we make Asynchronous method calls using delegates ?
• What is a stack, Heap, Value types and Reference types ?
• What is boxing and unboxing ?
• Can you explain ASP.NET application and Page life cycle ?
• What is Authentication, Authorization, Principal & Identity objects?
• How can we do Inproc and outProc session management ?
• How can we windows , forms and passport authentication and authorization in ASP.NET ?
• In a parent child relationship which constructor fires first ?