VB.Net Online Quiz

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.

Q 1 - Which of the following converts the expression to Boolean data type in VB.NET?

A - CBool(expression)

B - CByte(expression)

C - CChar(expression)

D - CDate(expression)

Answer : A

Explanation

CBool(expression) − Converts the expression to Boolean data type.

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

A - CObj(expression)

B - CSByte(expression)

C - CShort(expression)

D - CSng(expression)

Answer : A

Explanation

CObj(expression) − Converts the expression to Object data type.

Q 3 - Which of the following accesss modifier specifies that Visual Basic should marshal strings according to .NET Framework rules?

Answer : D

Explanation

Auto − The charset modifier part in the Declare statement supplies the character set information for marshaling strings during a call to the external procedure. It also affects how Visual Basic searches the external file for the external procedure name. The Auto modifier specifies that Visual Basic should marshal strings according to .NET Framework rules.

Q 4 - Which of the following accesss modifier specifies that an attribute at the beginning of a source file applies to the current assembly module?

Answer : D

Explanation

Module − Specifies that an attribute at the beginning of a source file applies to the current assembly module. It is not same as the Module statement.

Q 5 - Which of the following accesss modifier specifies that one or more declared programming elements have no access restrictions?

Answer : C

Explanation

Public − Specifies that one or more declared programming elements have no access restrictions.

Q 6 - Which of the following accesss modifier indicates that a conversion operator (CType) converts a class or structure to a type that can hold all possible values of the original class or structure?

Answer : A

Explanation

Widening − Indicates that a conversion operator (CType) converts a class or structure to a type that can hold all possible values of the original class or structure.

Q 7 - Which of the following directive defines conditional compiler constants?

A - #Const

B - #ExternalSource

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

D - #Region

Answer : A

Explanation

#Const − This directive defines conditional compiler constants.

Q 8 - Which of the following statement transfers control to the labeled statement?

A - Exit

B - Continue

C - GoTo

D - None of the above.

Answer : C

Explanation

GoTo − Transfers control to the labeled statement. Though it is not advised to use GoTo statement in your program.

Q 9 - Which of the following Collection class of VB.NET uses a key as well as an index to access the items in a list?

Answer : C

Explanation

SortedList − It uses a key as well as an index to access the items in a list. A sorted list is a combination of an array and a hash table. It contains a list of items that can be accessed using a key or an index. If you access items using an index, it is an ArrayList, and if you access items using a key, it is a Hashtable. The collection of items is always sorted by the key value.

Q 10 - The finally block is used to execute a given set of statements, whether an exception is thrown or not thrown.

A - true

B - false

Answer : A

Explanation

The finally block is used to execute a given set of statements, whether an exception is thrown or not thrown.

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