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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 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 3 :
What property is used on the datatable to indicate conflicts after update method is called?
(A) HasCollision
(B) HasErrorConflict
(C) HasError
(D) HasDataError
Ques 4 :
Which of the following is/are not true about the class?
(A) Classes can have both contractors and destructors
(B) Classes are reference type
(C) Classes does not support Inheritance
(D) All of the above are true
Ques 5 :
___________________ allow to encapsulate discrete units of functionality and provide a graphical representation of that functionality to the user
(A) object
(B) controls
(C) class
(D) graphics
Ques 6 :
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 7 :
C# doesnot support:
(A) abstraction
(B) polymorphism
(C) multiple inheritance
(D) inheritance
Ques 8 :
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 9 :
Are private class-level variables can inherited?
(A) Yes, and we can access them
(B) No, and we can not access them
(C) Yes, but we can not access them
(D) All of the above are wrong
Ques 10 :
What does a strong name contain?
(A) publiuc key
(B) assembly name
(C) assembly version
(D) All of the above
Ques 11 :
Which of the following characters ends every C# statement?
(A) Period (.)
(B) Colon (:)
(C) Semicolon (;)
(D) Comma (,)
Ques 12 :
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().
(C) proc1() can initialize i as well as j.
(D) proc2() can initialize i as well as j.
Ques 13 :
Your company uses Visual Studio .NET as its application development platform. You have recently finished development of a class named ShopList using the .NET Framework. The class will include ShopItem objects that have the public properties exhibit below:
1. Name
2. ID
3. DiscountCode
You need to enable users of the class to iterate through the ShopList collection, and to list each product's name and ID using the foreach statement. Which of the following code segments will you use to accomplish this task?
(A) public class ShopList : IEnumerator, IEnumerable { // Class implementation }
(B) public class ShopList : IBindingList { // Class implementation }
(C) public class ShopList : ICollection { // Class implementation }
(D) public class ShopList : IDictionary { // Class implementation }
Ques 14 :
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 15 :
Is it possible to invoke Garbage Collector explicitly?
(A) Yes
(B) No
Ques 16 :
What does Dispose method do with connection object?
(A) Close the connection
(B) Temporary dispose the connection
(C) Deletes it from the memory
(D) All of the above
Ques 17 :
Feature of a local variable
(A) It must be declared within a method
(B) It represent a class object
(C) It can be used anywhere in the program
(D) It must accept a class
Ques 18 :
The company uses Visual Studio .NET as its application development platform. You are creating a strong named MyAssembly that will be used in several applications. The assembly will be rebuilt frequently during the development cycle. You must ensure that every time MyAssembly is rebuilt it works properly with all applications that use it. You are required to configure the computer on which you develop the assembly such that each application uses the latest build of MyAssembly. Which of the following actions will you take to accomplish the task?
(A) Add the following element to the configuration file of every application that uses the assembly
(B) Add the following element to the machine configuration file
(C) To point to the build output directory for the strong named assembly, create a DEVPATH environment variable.
(D) B and C
Ques 19 :
Which of the following statements is correct about the .NET Framework?
(A) .NET Framework uses COM+ services while creating Distributed Applications.
(B) .NET Framework uses DCOM for creating unmanaged applications.
(C) .NET Framework uses DCOM for making transition between managed and unmanaged code.
(D) .NET Framework uses DCOM for achieving language interoperability
Ques 20 :
Which of the following class cannot be inherited?
(A) Abstract
(B) Sealed
(C) Both
(D) None
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