Online Random Test

Ques 1 :
Two methods with the same name but with different parameters.

(A) Overloading

(B) Multiplexing

(D) Loading

Ques 2 :
Which of the following statements is correct about constructors?

(A) Static constructors can use optional arguments.

(B) Overloaded constructors cannot use optional arguments.

(D) If we do not provide a constructor, then the compiler provides a zero-argument constructor.

Ques 3 :
Which of the following is/are true about the structure?

(A) Structures do not support Inheritance

(B) Structures are value type

(D) All of the above are true

Ques 4 :
Managed methods will be marked as ------------ in MSIL code

(A) mscorjit

(B) cil

(D) None

Ques 5 :
Is there any errors in this -> EmployeeMgmt constructor: Public int EmployeeMgmt { emp_id = 100; }

(A) Return type

(B) Formal parameters

(D) Name

Ques 6 :
Boxing in .Net allows the user to convert

(A) a double type to interger

(B) a interger type to double

(D) a reference type to a value type

Ques 7 :
Which Gang of Four design pattern is shown below?

public class A {
private A instance;
private A() {
}
public
static A Instance {
get
{
if ( A == null )
A = new A();
return instance;
}
}
}

(A) Abstract Factory

(B) Singleton

(D) Factory

Ques 8 :
Which of the following statements are correct about the C#.NET code snippet given below?

class Sample
{
static int i;
int j;
public void proc1()
{
i = 11;
j = 22;
}
public static void proc2()
{
i = 1;
j = 2;
}
static Sample()
{
i = 0;
j = 0;
}
}

(A) j can be initialized in proc2().

(B) i cannot be initialized in proc1().

(D) proc2() can initialize i as well as j.

Ques 9 :
Which keyword is used to achieve shadowing in C#?

(A) Abstract

(B) New

(D) Sealed

Ques 10 :
Identify which is true

(A) DataView ia subset of row and not columns

(B) find can be done only on sorted columns

(D) None of these

Ques 11 :
An assembly is

(A) declarative syntax of Java

(B) properties of c#

(D) A collection of files that appear to the programmer to be a single DLL or EXE.

Ques 12 :
The RangeValidator control supports the following data types

(A) Integer only

(B) Date, Integer and String

(D) Date and Integer

Ques 13 :
Which method do you invoke on the SQLDataAdapter object to load your dataset with data?

(A) Update

(B) Fill

(D) Load

Ques 14 :
What is a delegate?

(A) A reference to an object in a different process.

(B) A strongly typed function pointer.

(D) A light weight thread or process that can call a single method.

Ques 15 :
C# doesnot support:

(A) abstraction

(B) polymorphism

(D) inheritance

Ques 16 :
How can we sort the elements of the array in descending order?

(A) By calling Sortdescending() method

(B) By calling Sort() method

(D) By calling Sortreverse() method

Ques 17 :
Features of Read only variables

(A) Declaration and initialization is separated

(B) It is allocated at compile time

(D) all of the above

Ques 18 :
Sealed Classes cannot be a base class.

(A) True

(B) False

Ques 19 :
Which of these statements correctly declares a two-dimensional array in C#?

(A) int[][] myArray;

(B) int[,] myArray;

(D) int[2] myArray;

Ques 20 :
Which of following is correct

(A) enum Day{Sunday= 01,Monday= 02,Tuesday= 03,Wednesday=04,Thursday= 05,Friday= 06,Saturday=07}

(B) Day{Sunday= 01,Monday= 02,Tuesday= 03,Wednesday=04,Thursday= 05,Friday= 06,Saturday=07}

(D) Day enum{Sunday= 01,Monday= 02,Tuesday= 03,Wednesday=04,Thursday= 05,Friday= 06,Saturday=07}