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 is correct about VB.NET?

A - VB.NET has complete support for object-oriented concepts. VB.NET has complete support for object-oriented concepts.

B - Everything in VB.NET is an object, including all of the primitive types (Short, Integer, Long, String, Boolean, etc.) and user-defined types, events, and even assemblies.

C - All objects inherits from the base class Object.

D - All of the above.

Answer : D

Explanation

All of the above options are correct.

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

Answer : C

Explanation

CInt(expression) − Converts the expression to Integer data type.

Q 3 - Which of the following accesss modifier specifies that an argument is passed by reference?

Answer : A

Explanation

ByRef − Specifies that an argument is passed by reference, i.e., the called procedure can change the value of a variable underlying the argument in the calling code.

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

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 specifies that one or more declared programming elements are associated with a class or structure at large, and not with a specific instance of the class or structure?

Answer : B

Explanation

Shared − Specifies that one or more declared programming elements are associated with a class or structure at large, and not with a specific instance of the class or structure.

Q 6 - Which of the following statement declares an enumeration and defines the values of its members?

Answer : C

Explanation

Enum − Declares an enumeration and defines the values of its members.

Q 7 - Which of the following statement declares the operator symbol, operands, and code that define an operator procedure on a class or structure?

Answer : C

Explanation

Operator − Declares the operator symbol, operands, and code that define an operator procedure on a class or structure.

Q 8 - Which of the following operator uses short-circuit evaluation to conditionally return one of two values?

A - If

B - Await

C - GetType

D - Function Expression

Answer : A

Explanation

If − It uses short-circuit evaluation to conditionally return one of two values. The If operator can be called with three arguments or with two arguments.

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 block of VB.NET is used to execute a given set of statements, whether an exception is thrown or not thrown?

Answer : C

Explanation

Finally − The Finally block is used to execute a given set of statements, whether an exception is thrown or not thrown. For example, if you open a file, it must be closed whether an exception is raised or not.

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