VB.Net Online Quiz


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Following quiz provides Multiple Choice Questions (MCQs) related to VB.Net. You will have to read all the given answers and click over the correct answer. If you are not sure about the answer then you can check the answer using Show Answer button. You can use Next Quiz button to check new set of questions in the quiz.

Questions and Answers

Answer : D

Explanation

All of the above options are correct.

Q 2 - Which of the following converts the expression to Single data type in VB.NET?

A - CObj(expression)

B - CSByte(expression)

C - CShort(expression)

D - CSng(expression)

Answer : D

Explanation

CSng(expression) − Converts the expression to Single data type.

Q 3 - Which of the following accesss modifier indicates that the method or lambda expression that it modifies is asynchronous?

A - Ansi

B - Assembly

C - Async

D - Auto

Answer : C

Explanation

Async − Indicates that the method or lambda expression that it modifies is asynchronous. Such methods are referred to as async methods. The caller of an async method can resume its work without waiting for the async method to finish.

Q 4 - Which of the following accesss modifier specifies that the type is covariant?

A - NotOverridable

B - Optional

C - Out

D - Overloads

Answer : C

Explanation

Out − For generic type parameters, the Out keyword specifies that the type is covariant.

Q 5 - Which of the following accesss modifier indicates that a class or structure declaration is a partial definition of the class or structure?

A - Overridable

B - Overrides

C - ParamArray

D - Partial

Answer : D

Explanation

Partial − Indicates that a class or structure declaration is a partial definition of the class or structure.

Q 6 - Which of the following statement declares the name of a class and introduces the definition of the variables, properties, events, and procedures that the class comprises?

A - Dim

B - Const

C - Enum

D - Class

Answer : D

Explanation

Class − Declares the name of a class and introduces the definition of the variables, properties, events, and procedures that the class comprises.

Q 7 - Which of the following directive is used for indicating a mapping between specific lines of source code and text external to the source?

A - #Const

B - #ExternalSource

C - #If...Then...#Else

D - #Region

Answer : B

Explanation

#ExternalSource − This directive is used for indicating a mapping between specific lines of source code and text external to the source. It is used only by the compiler and the debugger has no effect on code compilation. This directive allows including external code from an external code file into a source code file.

Q 8 - Which of the following statement terminates the loop or select case statement and transfers execution to the statement immediately following the loop or select case?

A - Exit

B - Continue

C - GoTo

D - None of the above.

Answer : A

Explanation

Exit − Terminates the loop or select case statement and transfers execution to the statement immediately following the loop or select case.

Q 9 - Which of the following property of Array class in VB.NET gets a 32-bit integer, the total number of elements in all the dimensions of the Array?

A - Rank

B - LongLength

C - Length

D - None of the above.

Answer : C

Explanation

Length gets a 32-bit integer that represents the total number of elements in all the dimensions of the Array.

Q 10 - Which of the following Collection class of VB.NET represents an array of the binary representation using the values 1 and 0?

A - Queue

B - BitArray

C - SortedList

D - Stack

Answer : B

Explanation

BitArray − It represents an array of the binary representation using the values 1 and 0. It is used when you need to store the bits but do not know the number of bits in advance. You can access items from the BitArray collection by using an integer index, which starts from zero.

vb.net_questions_answers.htm
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