Feb 26, 2010

Asp.NET Important Question And Answer

1) Which of the following languages can be used to write server side scripting in ASP.NET?
a) C-sharp
b) VB
c) C++
d) a and b


2) When an .aspx page is requested from the web server, the out put will be rendered to browser in following format.
a) HTML
b) XML
c) WML
d) JSP

3) The Asp.net server control, which provides an alternative way of displaying text on web page, is
a) <>
b) <>
c) <>

4) The first event to be triggered in an aspx page is.
a) Page_Load()
b) Page_Init()
c) Page_click()

5) Postback occurs in which of the following forms.
a) Winforms
b) HTMLForms
c) Webforms

6) What namespace does the Web page belong in the .NET Framework class hierarchy?
a) System.web.UI.Page
b) System.Windows.Page
c) System.Web.page


7) Which method do you invoke on the Data Adapter control to load your generated dataset?
a) Fill( )
b) ExecuteQuery( )
c) Read( )

8) How do you register a user control?
a) Add Tag prefix, Tag name
b) Add Source, Tag prefix
c) Add Src, Tagprefix, Tagname

9) Which of the following is true?
a) User controls are displayed correctly in the Visual Studio .NET Designer
b) Custom controls are displayed correctly in VS.Net Designer
c) User and Custom controls are displayed correctly in the Visual Studio .NET Designer.

10) To add a custom control to a Web form we have to register with.
a) TagPrefix
b) Name space of the dll that is referenced
c) Assemblyname
d) All of the above

11) Custom Controls are derived from which of the classes
a) System.Web.UI.Webcontrol
b) System.Web.UI.Customcontrol
c) System.Web.UI.Customcontrols.Webcontrol

12) How ASP.Net Different from classic ASP?
a) Scripting is separated from the HTML, Code is interpreted seperately
b) Scripting is separated from the HTML, Code is compiled as a DLL, the
DLLs can be executed on server

c) Code is separated from the HTML and interpreted Code is interpreted separately

13) What's the difference between Response.Write() andResponse.Output.Write()?
a) Response.Output.Write() allows you to flush output
b) Response.Output.Write() allows you to buffer output
c) Response.Output.Write() allows you to write formatted output
d) Response.Output.Write() allows you to stream output

14) Why is Global.asax is used?
a) Implement application and session level events
b) Declare Global variables
c) No use

15) There can be more than 1 machine.config file in a system
a) True
b) False

16) What is the extension of a web user control file?
a) .Asmx
b) .Ascx
c) .Aspx

17) Which of the following is true?
a) IsPostBack is a method of System.UI.Web.Page class
b) IsPostBack is a method of System.Web.UI.Page class
c) IsPostBack is a readonly property of System.Web.UI.Page class

8) The number of forms that can be added to a aspx page is.
a) 1
b) 2
c) 3
d) More than 3


19) How do you manage states in asp.net application
a) Session Objects
b) Application Objects
c) Viewstate
d) All of the above

20) Which property of the session object is used to set the local identifier?
a) SessionId
b) LCID
c) Item
d) Key

21) Select the caching type supported by ASP.Net
a) Output Caching
b) DataCaching
c) a and b
d) none of the above

22) Where is the default Session data is stored in ASP.Net?
a) InProcess
b) StateServer
c) Session Object
d) al of the above

23) Select the type Processing model that asp.net simulate
a) Event-driven
b) Static
c) Linear
d) Topdown

24) Does the EnableViewState allows the page to save the users input on a form?
a) Yes
b) No

25) Which DLL translate XML to SQL in IIS?
a) SQLISAPI.dll
b) SQLXML.dll
c) LISXML.dll
d) SQLIIS.dll

26) What is the maximum number of cookies that can be allowed to a web site?
a) 1
b) 10
c) 20
d) More than 30

27) Select the control which does not have any visible interface.
a) Datalist
b) DropdownList
c) Repeater
d) Datagrid


28) How do you explicitly kill a user session?
a) Session.Close( )
b) Session.Discard( )
c) Session.Abandon
d) Session.End
e) Session.Exit

29) Which of the following is not a member of ADODBCommand object?
a) ExecuteReader
b) ExecuteScalar
c) ExecuteStream
d) Open
e) CommandText

30) Which one of the following namespaces contains the definition for IdbConnection?
a) System.Data.Interfaces
b) System.Data.Common
c) System.Data
d) System.Data.Connection

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