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Interview Questions And Answers

What is the use of Option explicit?

Author: Subhransu Sekhar Jena          Posted Date: September 30, 2014    Category: VB.Net     Points: 40

Variable must be compulsorily declared when the Option Explicit is termed as ON. If it is OFF, variables can be used without declaration

What is an assembly and its use?

Author: Subhransu Sekhar Jena          Posted Date: September 30, 2014    Category: VB.Net     Points: 40

An assembly is one of the elements of a .NET application and it termed as a primary unit of all .NET applications. This assembly can be either DLL or executable file.

Which namespace are used for accessing the data?

Author: Subhransu Sekhar Jena          Posted Date: September 30, 2014    Category: VB.Net     Points: 40

System.Data namespace is used for accessing and managing data from the required data source. This namespace deals only with the data from the specified database.

Can we override a constructor?

Author: Subhransu Sekhar Jena          Posted Date: September 30, 2014    Category: VB.Net     Points: 40

No

Can we override a constructor?

Author: Subhransu Sekhar Jena          Posted Date: September 30, 2014    Category: VB.Net     Points: 40

No

What is Shadows modifier in VB.NET?

Author: Subhransu Sekhar Jena          Posted Date: September 30, 2014    Category: WCF     Points: 40

It is used to hide the member of base class.
Note: "new" keyword is also used for the same purpose in C#.NET.

What is a partial class?

Author: Subhransu Sekhar Jena          Posted Date: September 30, 2014    Category: VB.Net     Points: 40

A class which can span multiple source files for the ease of development.

hat is the the keyword in VB equivalent to "static" keyword in C#?

Author: Subhransu Sekhar Jena          Posted Date: September 30, 2014    Category: VB.Net     Points: 40

Shared

What are the advantages of hosting WCF services in IIS?

Author: Subhransu Sekhar Jena          Posted Date: September 30, 2014    Category: WCF     Points: 40

Advantages of hosting WCF services in IIS : Provides process activation and recycling ability thereby increasing reliability

What are the various ways of hosting a WCF service?

Author: Subhransu Sekhar Jena          Posted Date: September 30, 2014    Category: WCF     Points: 40

Ways of hosting WCF Service: Self hosting: - The service code is embedded within the application code. An end point for the service is defined and an instance of SeriveHost is created.
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