Online Random Test

Ques 1 :
Which of the following .NET components can be used to remove unused references from the managed heap?

(A) Class Loader

(B) Garbage Collector

(D) CLR

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

(A) Managed code is the code that runs on top of Windows.

(B) Managed code is the code that is written to target the services of the CLR.

(D) Managed code is the code that is compiled by the JIT compilers.

Ques 3 : In C#, the statement that is used to replace multiple if statements is called?

(A) The nestedif statement

(B) The #endif statement

(D) None of these

Ques 4 :
Which of the following are valid .NET CLR JIT performance counters?

1. Total memory used for JIT compilation
2.Average memory used for JIT compilation
3.Number of methods that failed to compile with the standard JIT
4.Percentage of processor time spent performing JIT compilation
5.Percentage of memory currently dedicated for JIT compilation

(A) 1, 2

(B) 1, 5

(D) 4, 5

Ques 5 :
Sealed Classes cannot be a base class.

(A) True

(B) False

Ques 6 :
If a method is marked as protected internal who can access it?

(A) Classes within the same assembly, and classes derived from the declaring class.

(B) Internal methods can be only be called using reflection.

(D) Classes that are both in the same assembly and derived from the declaring class.

Ques 7 :
Is it possible to store multiple data types in System.Array?

(A) Yes

(B) No

Ques 8 :
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 9 :
Polymorphism?

(A) Polymorphism means multiple forms and different name

(B) Polymorphism means multiple forms but one name

(D) All of the above are true

Ques 10 :
The RangeValidator control supports the following data types

(A) Integer only

(B) Date, Integer and String

(D) Date and Integer

Ques 11 :
In C#, by default structs are passed how?

(A) By reference.

(B) By value.

(D) By memory.

Ques 12 :
How to kill a user session explicitly?

(A) Session.Discard()

(B) Session.Close()

(D) Session.kill()

Ques 13 :
Automatic paging is possible in

(A) datareader

(B) dataset

(D) all

Ques 14 :
In the NUnit test framework, which attribute must adorn a test class in order for it to be picked up by the NUnit GUI?

(A) TestFixtureAttribute

(B) TestClassAttribute

(D) NUnitTestClassAttribute

Ques 15 :
Which keyword is used to achieve shadowing in C#?

(A) Abstract

(B) New

(D) Sealed

Ques 16 :
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 17 :
Which of the following are not types of access modifiers in C#?

(A) external protect

(B) internal protect

(D) internal

Ques 18 :
What is boxing?

(A) Encapsulating a value type in an object.

(B) Encapsulating an object in a value type.

(D) Encapsulating a copy of an object in a value type.

Ques 19 :
Your company uses Visual Studio.NET 2005 as its application development platform. You are developing an application using the .NET Framework 2.0. You are required to use a datatype that will store only numbers ranging from -32,768 to 32,767. Which of the following datatypes will you use to accomplish the task?

(A) short

(B) System.Int16

(D) a and b

Ques 20 :
Which is true about Interface and abstract methods?

(A) We can write only one abstract method inside interface.

(B) No method is abstract inside interface

(D) None of the above