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ASP.NET interview questions

ASP.NET interview questions.

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  • 1.

    What is ViewData?

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  • 2.

    What is ASP.Net?

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  • 3.

    What is the difference between ASP.NET and ASP.NET MVC?

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  • 4.

    What is a postback?

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  • 5.

    What exactly is an application pool? What is its purpose?

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  • 6.

    Explain startup process in ASP.NET Core?

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  • 7.

    What is ViewState?

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  • 8.

    Can ASP.NET Core work with the .NET framework?

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  • 9.

    What is ASP.NET Core?

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  • 10.

    Talk about Logging in ASP.NET Core?

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  • 11.

    How to configure your ASP.NET Core app?

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  • 12.

    Explain Middleware in ASP.NET Core?

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  • 13.

    Where the viewstate is stored after the page postback?

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  • 14.

    What are the different validators in ASP.NET?

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  • 15.

    What is the meaning of Unobtrusive JavaScript?

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  • 16.

    What are the sub types of ActionResult?

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  • 17.

    How can we prevent browser from caching an ASPX page?

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  • 18.

    What is new in ASP.NET Core 2, compared to ASP.NET Core 1?

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  • 19.

    What is the difference between Server.Transfer and Response.Redirect?

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  • 20.

    How long the items in ViewState exists?

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  • 21.

    Explain JSON Binding?

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  • 22.

    In which event of page cycle is the ViewState available?

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  • 23.

    What are the different types of caching?

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  • 24.

    What exactly is the difference between .NET Core and ASP.NET Core?

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  • 25.

    Explain usage of Dependency Injection in ASP.NET Core

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  • 26.

    List the events in ASP.NET page life cycle

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  • 27.

    In which event are the controls fully loaded?

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  • 28.

    What is ViewState? How is it encoded? Is it encrypted? Who uses ViewState?

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  • 29.

    What is the difference between 'classic' and 'integrated' pipeline mode in IIS7?

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  • 30.

    What is the difference between and ?

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  • 31.

    What is an HttpHandler in ASP.NET? Why and how is it used?

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  • 32.

    What is the difference between ASP.NET Core Web (.NET Core) vs ASP.NET Core Web (.NET Framework)?

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  • 33.

    How we can force all the validation controls to run?

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  • 34.

    What is Katana?

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  • 35.

    What is HttpModule in ASP.Net?

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  • 36.

    What are the different Session state management options available in ASP.NET?

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  • 37.

    What are the different types of cookies in ASP.NET?

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  • 38.

    What is RedirectPermanent in ASP.Net?

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  • 39.

    Which type if caching will be used if we want to cache the portion of a page instead of whole page?

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  • 40.

    What is the difference between web config and machine config?

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  • 41.

    Is it possible to create web application with both webforms and mvc?

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  • 42.

    What is the difference between Web Service and WCF Service?

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  • 43.

    How to choose between ASP.NET 4.x and ASP.NET Core?

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  • 44.

    What exactly is OWIN and what problems does it solve?

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  • 45.

    What is the equivalent of WebForms in ASP.NET Core?

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  • 46.

    Name some ASP.NET WebForms disadvantages over MVC?

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  • 47.

    What is Cross Page Posting?

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  • 48.

    Are static class instances unique to a request or a server in ASP.NET?

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  • 49.

    What is the difference between a web API and a web service?

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