Dot Net Interview Questions

1)What is Dotnet?

.NET is essentially a framework for software development. It is similar in nature to any other software development framework (J2EE etc) in that it provides a set of runtime containers/capabilities, and a rich set of pre-built functionality in the form of class libraries and APIs The .NET Framework is an environment for building, deploying, and running Web Services and other applications. It consists of three main parts: the Common Language Runtime, the Framework classes, and ASP.NET.

2)What are the language Supported by Dotnet?

When .NET was introduced it came with several languages. VB.NET, C#, COBOL and Perl, etc. .net Supports More than 44 languages.

3) What is an application server?

An application server is a software engine that delivers applications to client computers or devices. The application server runs your server code. Some well known application servers are IIS (Microsoft), WebLogic Server

(BEA), JBoss (Red Hat), WebSphere (IBM).

4) What is inheritance?

Inheritance represents the relationship between two classes where one type derives functionality from a second type and then extends it by adding new methods, properties, events, fields and constants. C# support two types of inheritance:

- Implementation inheritance

- Interface inheritance

5) How do you prevent a class from being inherited?

In VB.NET you use the NotInheritable modifier to prevent programmers from using the class as a base class. In C#, use the sealed keyword.

6) What is business logic?

It is the functionality which handles the exchange of information between database and a user interface.

7) What is a component?

Component is a group of logically related classes and methods. A component is a class that implements the Component interface or uses a class that implements Component interface.

8) What is a control?

A control is a component that provides user-interface (UI) capabilities.

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