ASP.NET Quiz-1

ASP.NET Quiz-1

1.If page output caching,________caching persists specific portions of a page and lets other portion of the page be created dynamically ? Partial page Full page Custom semi 2.By using an ,_________ , the data is separated from html, and any changes to the items are made in the separated data source . Incorporate source Join Link Imported source 3.Asp.net object is used to get information about web servers? Session Object Application Request Server object 4.The __________ namespace contain classes for accessing and managing data from diverse sources System.Data System.IO System.Reflection System.Object 5. When an ASP.NET server control is added to a Web Form, Visual Studio .NET adds one item to the class for the form. What item is added ? The event registration A protected class member for the control A default event handler for the click event A default class that inherits from the control’s base class 6.What attribute must be set on a validator control for the validation to work ? Validate ValidateControl ControlToBind ControlToValidate 7.What HTML element is the asp:Label control rendered as when the target is Internet Explorer ? label span div table 8.Given an ASP.NET Web Form called WebForm1,what class does the WebForm1 class inherit from by default? System.Web.Form System.Web.GUI.Page System.Web.UI.Page System.Web.UI.Form 9.What is the Web.config file used for ? To store the global information and variable definitions for the application Configures the time that the server-side codebehind module is called To configure the web server To configure the web browser 10.After capturing the SelectedIndexChanged event for a ListBox control, you find that the event handler doesn’t execute. What could the problem be ? The AutoEventWireup attribute is set to False The AutomaticPostBack attribute is set to False The codebehind module is not properly compiled The ListBox must be defined WithEvents

C# Quiz-6(Events & Delegates)

C# Quiz-6(Events & Delegates)

1.A(an)...is the encapsulation of the idea that "something happened" to which the program must respond. event delegate event-delegate model None of above 2.-= operator is used to remove a delegate from a (possibly composite) field. True False 3. What will be output of following program? delegate void MyDelegate(int i); class Program { public static void Main() { TakesADelegate(new MyDelegate(DelegateFunction)); } public static void TakesADelegate(MyDelegate SomeFunction) { SomeFunction(21); } public static void DelegateFunction(int i) { System.Console.WriteLine("Called by delegate with number: {0}.", i); } } Compile time error Called by delegate with number: 21. Runtime error None of above 4.Suppose on pushing a button an object is to be notified, but it is not known until runtime which object should be notified. Which of the following programming constructs should be used to implement this idea? Attribute Delegate Namespace Interface 5.Which of the following statements are correct about delegates? Delegates cannot be used to call a static method of a class. Delegates cannot be used to call procedures that receive variable number of arguments. If signatures of two methods are same they can be called through the same delegate object. Delegates cannot be used to call an instance function. Delegates cannot be used to call an instance subroutine. 6.delegate is a.... reference type value type both none of above 7.A delegate defines.... a means of passing arrays into methods a substitue for an inherited method a class that encapsulates methods None of above 8.An Event is The result of a users action result of a party code to force users action None of above 9.An event declaration defines a type that encapsulates a method with a particular set of arguments and return type. True False 10.A delegate can either be called asynchronously by using BeginInvoke and EndInvoke methods. True False

C# Quiz-5(Exception Handling)

C# Quiz-5(Exception Handling)

1.Exceptions are types that all ultimately derive from ... System.Exception System System.Error All of above 2. Use a ....block around the statements that might throw exceptions. catch finally try None of these 3.In C#,.....keyword is used to define an exception handler. catch finally exception None of above 4.which block is used to release resources, for example to close any streams or files that were opened in the try block? try catch finally all of above 5. try { int a,b; b=a/0; // Code to try goes here. } catch (Exception ex) { Console.WriteLine("Got it!!!"); } catch (DivideByZeroException ex) { Console.WriteLine("Infinite value!!!"); } What will be output? Got it!!! Infinite value!!! Compile time error Run time error 6.The user-defined application exception classes derived from ApplicationException.True or False? True False 7.The pre-defined common language runtime exception classes derived from SystemException. True False 8.Which property is used to get a string representation of the immediate frames on the call stack. CallStack StackTrace Message Source 9.Supplementary information about the exception can be stored in the...property. HResult Source Data TargetSite 10.What will be output of following program? using System; class ExceptionTestClass { public static void Main() { int x = 0; try { int y = 100/x; } catch (ArithmeticException e) { Console.WriteLine("ArithmeticException Handler"); } catch (Exception e) { Console.WriteLine("Generic Exception Handler"); } } } Compile time error Generic Exception Handler ArithmeticException Handler None of above

C# Quiz-4

C# Quiz-4

1. The purpose of new keyword is Method Hiding Overriding Oveloading None of above 2.Multiple inheritance is suppported in C#? Yes No 3.GetEnumerator method returns ... IEnumerable IEnumerator ICollection None of above 4.Enumerators cannot be used to modify the underlying collection. True False 5. IEnumerator can be used to iterate through the collection. True False 6.Float datatype is equivalent to System.Single System.Double Both None Of above 7.The symbol used to represent nullable parameters in ~ ! : ? 8.parse is applied for only value types only reference types Both value types and reference types None of them 9.The scope of a variable declared inside an If statement is Procedure Module If statement None of above 10.sealed class can not be abstract.True/False True False

C# Quiz-3

C# Quiz-3

1.Which collection class represents first-in, first-out behaviour of objects? ArrayList Stack Queue SortedList 2. Which collection class manages items in a pairs of key/value? HashTable Stack BitArray Queue 3. In context of properties which of the following statements is true? Properties must have atleast one accessor Properties must have 'set' accessor Properties must have 'get' accessor No accessor is a must for a property to compile 4. A delegate which can point to more then one function at a time is known as which of the following? an event recursive function delegate muticast delegate 5.Whch of the following feature is based on publisher/subscriber model where publisher pubishes some activity to subscribers? class interface event collection 6.Which of the following is not true in context of structured exception handling? finally block can be skipped catch block can be skipped arrange of blocks is flexible, for eg. try…finally…catch is valid finally block do not take any argument like catch block 7.Which is the base class of all exceptions? Exception Error SystemException UserException 8.Where can we best do all clean up activities like freeing of resources in code? In catch block In finally block in the end in try block outside try..catch…finally blocks 9.Which of the following is not an available access specifier for class members? public private external internal 10. Which of the following correctly describes the contents of the filename AssemblyInfo.cs? It contains assembly-level attributes. It contains method-level attributes It contains class-level attributes. It contains structure-level attributes.

C# Quiz-2

C# Quiz-2

1.Which class cannot be further derived from? Sealed class Abstract class Base class Internal class 2. Which members are accessible to all within assembly but not to classes outside assembly? public private virtual internal 3.What is an array called if it can have rows of different sizes? Jagged array Multi dimension array Single dimension array Mixed array 4.What keyword is to be used in base class function which is supposed to be overridden in derived classes? public private virtual internal 5. Which keyword allows to split class definition in more than one .cs files? virtual attribute sealed partial 6.What conversion takes place with the concept of 'boxing'? value type to reference type reference type to value type struct to enum int to char 7.How a static function can be accessed? Through class' object Through class name Only from another static function Only from another non-static function 8.What is true about static class? static class can be instantiated static class can only have public members static class can have only static members static class cannot have members declared as 'internal' 9.In context of collections from which interface a class should be derived to have iteration facility where items can be iterated using foreach loop? ICollection IDictionary IEnumerable IComparer 10.Which collection class would be best suitable to manage a range of boolean values? HashTable BitArray ArrayList Queue