C# mcq questions with answer – Set 1

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• Total Number Of Questions : 10
• Passing Marks : 7
• Each Question Carry 1 Mark, No Negative Marking.
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#1. Which of the following utilities can be used to compile managed assemblies into processor-specific native code?

gacutil

gacutil

ngen

ngen

sn

sn

dumpbin

dumpbin

#2. Which of the following are value types?

Select all that apply:

Integer

Integer

Array

Array

Single

Single

Long

Long

#3. In which of the following should the methods of a class differ if they are to be treated as overloaded methods?

Select all that apply:

Type of arguments

Type of arguments

Order of arguments

Order of arguments

Number of arguments

Number of arguments

Names of methods

Names of methods

#4. How can you prevent inheritance from a class in C#.NET ?

Declare the class as shadows.

Declare the class as shadows.

Declare the class as overloads.

Declare the class as overloads.

Declare the class as sealed.

Declare the class as sealed.

Declare the class as suppress.

Declare the class as suppress.

#5. Assume class B is inherited from class A. Which of the following statements is correct about construction of an object of class B?

While creating the object firstly the constructor of class B will be called followed by constructor of class A.

While creating the object firstly the constructor of class B will be called followed by constructor of class A.

While creating the object firstly the constructor of class A will be called followed by constructor of class B.

While creating the object firstly the constructor of class A will be called followed by constructor of class B.

The constructor of only class B will be called.

The constructor of only class B will be called.

The constructor of only class A will be called.

The constructor of only class A will be called.

#6. If s1 and s2 are references to two strings then which of the following are the correct ways to find whether the contents of the two strings are equal?

Select all that apply:

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if(s1 = s2)

if(s1 = s2)

if(s1 == s2)

if(s1 == s2)

int c; c = s1.CompareTo(s2);

int c; c = s1.CompareTo(s2);

if( strcmp(s1, s2) )

if( strcmp(s1, s2) )

#7. 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 a static method of a class.

Delegates cannot be used to call procedures that receive variable number of arguments.

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.

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.

Delegates cannot be used to call an instance function. Delegates cannot be used to call an instance subroutine.

#8. Once applied which of the following CANNOT inspect the applied attribute?

CLR

CLR

Linker

Linker

ASP.NET Runtime

ASP.NET Runtime

Visual Studio.NET

Visual Studio.NET

#9. A "Student" class has a property called "rollNo" and "stu" is a reference to a "Student" object and we want the statement "stu.RollNo = 28" to fail. Which of the following options will ensure this functionality?

Declare "rollNo" property with both get and set accessors.

Declare "rollNo" property with both get and set accessors.

Declare "rollNo" property with only set accessor.

Declare "rollNo" property with only set accessor.

Declare "rollNo" property with get, set and normal accessors.

Declare "rollNo" property with get, set and normal accessors.

Declare "rollNo" property with only get accessor.

Declare "rollNo" property with only get accessor.

#10. In C#.NET if we do not catch the exception thrown at runtime then which of the following will catch it?

Compiler

Compiler

CLR

CLR

Linker

Linker

Loader

Loader

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