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Test Status
CSHARPRANDOMTEST
Ques 1 :
When doing an Update, which method of the SqlCommand is best to use?
(A) ExecuteQuery
(B) ExecuteUpdate
(C) ExecuteNonQuery
(D) ExecuteCommand
Ques 2 :
Which of the following .NET components can be used to remove unused references from the managed heap?
(A) Class Loader
(B) Garbage Collector
(C) CTS
(D) CLR
Ques 3 :
Which of the following are not types of access modifiers in C#?
(A) external protect
(B) internal protect
(C) protect
(D) internal
Ques 4 :
Which of the following ways to create an object of the Sample class given below will work correctly?
class Sample
{
int i;
Single j;
double k;
public Sample (int ii, Single jj, double kk)
{
i = ii;
j = jj;
k = kk;
}
}
(A) Sample s3 = new Sample(10, 1.2f, 2.4);
(B) Sample s2 = new Sample(10, 1.2f);
(C) Sample s1 = new Sample(, , 2.5);
(D) Sample s1 = new Sample(10);
Ques 5 :
A master page is merged with a content page ________ in the page execution life cycle
(A) Very early
(B) Very late
(C) Early
(D) Late
Ques 6 :
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
(C) All the methods inside Interface in an abstract method.
(D) None of the above
Ques 7 :
Sealed Classes cannot be a base class.
(A) True
(B) False
Ques 8 :
How can we sort the elements of the array in descending order?
(A) By calling Sortdescending() method
(B) By calling Sort() method
(C) By calling Sort() and then Reverse() methods
(D) By calling Sortreverse() method
Ques 9 :
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}
(C) enumeration 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}
Ques 10 :
How does assembly versioning in .NET prevent DLL Hell?
(A) The runtime checks to see that only one version of an assembly is on the machine at any one time.
(B) The compiler offers compile time checking for backward compatibility.
(C) .NET allows assemblies to specify the name AND the version of any assemblies they need to run.
(D) It doesn.t.
Ques 11 :
Which of the following statements is correct about the C#.NET program given below?
namespace PskillsConsoleApplication
{
class Baseclass
{
int i;
public Baseclass(int ii)
{
i = ii;
Console.Write("Base ");
}
}
class Derived : Baseclass
{
public Derived(int ii) : base(ii)
{
Console.Write("Derived ");
}
}
class MyProgram
{
static void Main(string[ ] args)
{
Derived d = new Derived(10);
}
}
}
(A) The program will report an error in the statement base(ii).
(B) The program will work correctly if we replace base(ii) with base.Baseclass(ii).
(C) The program will output: Base Derived
(D) The program will work correctly only if we implement zero-argument constructors in Baseclass as well as Derived class.
Ques 12 :
Which method do you invoke on the SQLDataAdapter object to load your dataset with data?
(A) Update
(B) Fill
(C) Gather
(D) Load
Ques 13 :
Which of the following namespaces used in C#.NET?
(A) using System;
(B) using System.Collections.Generic;
(C) using System.Windows.Forms;
(D) All of the above are used
Ques 14 :
Which of the following statements are correct about static functions?
1. Static functions can access only static data.
2. Static functions cannot call instance functions.
3. It is necessary to initialize static data.
4. Instance functions can call static functions and access static data.
5. This reference is passed to static functions.
(A) 1, 2, 3
(B) 1, 2, 5
(C) 1, 2, 4
(D) 2, 3, 5
Ques 15 :
Which of the following benefits do we get on running managed code under CLR?
1. Type safety of the code running under CLR is assured.
2. It is ensured that an application would not access the memory that it is not
authorized to access.
3. It launches separate process for every application running under it.
4. The resources are Garbage collected.
(A) Only 1, 2 and 4
(B) Only 2, 3 and 4
(C) Only 1 and 2
(D) All of the above
Ques 16 :
Which of the following statements is correct about constructors?
(A) Static constructors can use optional arguments.
(B) Overloaded constructors cannot use optional arguments.
(C) If we provide a one-argument constructor then the compiler still provides a zero-argument constructor.
(D) If we do not provide a constructor, then the compiler provides a zero-argument constructor.
Ques 17 :
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
(C) TestAttribute
(D) NUnitTestClassAttribute
Ques 18 :
Which of the following is the root of the .NET type hierarchy?
(A) System.Object
(B) System.Base
(C) System.Root
(D) System.Parent
Ques 19 :
Polymorphism?
(A) Polymorphism means multiple forms and different name
(B) Polymorphism means multiple forms but one name
(C) Polymorphism means single forms and single name
(D) All of the above are true
Ques 20 :
Which of the following statements is correct?
(A) A constructor can be used to set default values and limit instantiation.
(B) Destructors are used with classes as well as structures.
(C) A class can have more than one destructor.
(D) C# provides a copy constructor.
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