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.Net Web Interview Questions and Answers
What is used to validate complex string patterns like
an e-mail address?
* Extended expressions
* Regular expressions
* Irregular expressions
* Basic expressions
Regular Expression.
The following is a valid statement in ASP.NET<%@ Page
Language="C" %>
* True
* False
False
A valid comment block in ASP.NET is
* <!- - - Comment - - - >
* <!- - Comment - - >
* <% - - Comment - - %>
* <% ! - - Comment - - >
<% - - Comment - - %>
The event handlers that can be included in the
Global.asax file are
* Application Start and
Session Start event handlers only
* Application End and
Session End event handlers only
* Per-request and Non-deterministic event handlers only
* Application Start and End ,
Application Start and End
A Few of the Namespaces that get imported by default in
an ASPX file are
* System, System.Data, System.Drawing,
System.Globalization
* System,
System.IO, System.Management, System.Globalization
* System, System.Collections,
System.Text, System.Web
* System,
System.NET,
System.Reflection, System.Web
System, System.Collections, System.Text, System.Web
The Assemblies that can be referenced in an ASPX file
without using @Assembly Directive is
* System.dll, System.Data.dll,
System.Web.dll, System.Xml.dll,
* System.dll,
System.Collections.dll, System.IO.dll
* System.dll, System.Reflection.dll,
System.Globalization.dll,
* System.Drawing.dll, System.Assembly.dll,
System.Text.dll
System.dll, System.Data.dll, System.Web.dll,
System.Xml.dll
An .ASHX file contains the following
* Code-behind that are used in the code
* Server Controls that can be called from a code-behind
file
* HTTP handlers-software modules that handle raw HTTP
requests received by ASP.NET
* Contains normal ASP.NET code and can be used as an
include file
HTTP handlers-software modules that handle raw HTTP
requests received by ASP.NET
What is the output for the following code snippet:
public class testClass
{
public static void Main(string[] args)
{
System.Console.WriteLine(args[1]);
}//end Main
}//end class testClass
* Compiler Error
* Runtime Error
* Hello C# world
* None of the above
Runtime Error
One of the possible way of writing an ASP.NET handler
that works like an ISAPI filter- that is, that sees
requests and responses and modifies them also, is by,
* writing a module that extends FormsAuthenticatonModule
and using it
* writing a component class that extends
HttpModuleCollection and using it
* writing an HTTP module-a Class that implements
IhttpModule and registering it in Web.Config
* All of the above
writing an HTTP module-a Class that implements
IhttpModule and registering it in Web.Config
The ASP.NET directive that lets you cache different
versions of a page based on varying input parameters,
HTTP headers and browser type is
* @OutputCache
* @CacheOutput
* @PageCache
* @CacheAll
@ OutputCache
If we develop an application that must accommodate
multiple security levels through secure login and
ASP.NET web application is spanned across three
web-servers (using round-robin load balancing) what
would be the best approach to maintain login-in state
for the users?
* <SessionState mode="InProc"stateConnectionString="
tcpip=127.0.0.1:42424" sqlConnectionString=" data
source=127.0.0.1;user id=sa;password="cookieless="false"
timeout="30" />
* <SessionState mode="OutProc" stateConnectionString="tcpip=127.0.0.1:42424"
sqlConnectionString="data source=127.0.0.1;user id=sa;password="
cookieless="false" timeout="30" />
* <SessionState mode="stateserver" stateConnectionString="tcpip=127.0.0.1:42424"
sqlConnectionString="data source=127.0.0.1;user id=sa;password="
cookieless="false" timeout="30" />
SessionState mode=”stateserver” stateConnectionString=”tcpip=127.0.0.1:42424?
sqlConnectionString=”data source=127.0.0.1;user id=sa;password=”
cookieless=”false” timeout=”30?
What is the output for the below mentioned compilation
command>csc /addmodule:A.Exe B.Cs
* A.exe
* B.exe
* A.dll
* B.dll
B.exe
How can be the web application get configured with the
following authorization rules
* Anonymous users must not be allowed to access the
application.
* All persons except David and John must be allowed to
access the application.
o <authorization><allow roles ="*"><deny roles =
"?"><</authorization>
o <authorization><deny users = "applicationname\David;
applicationname\John" ><deny users =
"*"></authorization>
o <authorization><deny users = "applicationname\David,
applicationname\John" ><deny users = "?"><allow users
="*"></authorization>
o <authorization><allow users ="*"><deny users = "applicationname\David,
applicationname\John" ></authorization>
authorization deny users = “applicationname\David,
applicationname\John” deny users = “?” allow users =”*”
/authorization
What will be the output of the following code snippet?
using System;
class MainClass
{
static void Main( )
{
new MainClass().Display( 3.56 );
}
private void Display( float anArg )
{
Console.Write( “{0} {1}”, anArg.GetType(), anArg );
}
double Display( double anArg )
{
Console.Write( “{0} {1}”, anArg.GetType(), anArg );
return anArg;
}
public decimal Display( decimal anArg )
{
Console.Write( “{0} {1}”, anArg.GetType(), anArg );
return anArg;
}
}
* System.Single 3.56
* System.Float 3.56
* System.Double 3.56
* System.Decimal 3.56
System.Double 3.56
What will be output for the given code?
Dim I as integer = 5
Do
I = I + 2
Response.Write (I & " ")
Loop Until I > 10
* 5 8
* 5 7 9
* 7 9 11
* Errors out
7 9 11 (if corrected)
Page Numbers :
1
2
3
4
5
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