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 Decimal data type in VB.NET?

Answer : B

Explanation

CDec(expression) − Converts the expression to Decimal data type.

Q 3 - Which of the following accesss modifier enables you to specify behavior for properties of anonymous types?

Answer : C

Explanation

Key − The Key keyword enables you to specify behavior for properties of anonymous types.

Q 4 - Which of the following accesss modifier specifies that a property or procedure cannot be overridden in a derived class?

Answer : A

Explanation

NotOverridable − Specifies that a property or procedure cannot be overridden in a derived class.

Q 5 - Which of the following accesss modifier specifies that one or more declared local variables are to continue to exist and retain their latest values after termination of the procedure in which they are declared?

Answer : C

Explanation

Static − Specifies that one or more declared local variables are to continue to exist and retain their latest values after termination of the procedure in which they are declared.

Q 6 - Which of the following accesss modifier specifies that Visual Basic should marshal all strings to Unicode values regardless of the name of the external procedure being declared?

Answer : D

Explanation

Unicode − Specifies that Visual Basic should marshal all strings to Unicode values regardless of the name of the external procedure being declared.

Q 7 - Which of the following statement declares the name of an interface and introduces the definitions of the members that the interface comprises?

Answer : C

Explanation

Interface − Declares the name of an interface and introduces the definitions of the members that the interface comprises.

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 Collection class of VB.NET represents ordered collection of an object that can be indexed individually?

Answer : A

Explanation

ArrayList − It represents ordered collection of an object that can be indexed individually. It is basically an alternative to an array. However, unlike array, you can add and remove items from a list at a specified position using an index and the array resizes itself automatically. It also allows dynamic memory allocation, add, search and sort items in the list.

Q 10 - Which of the following is true about System.ApplicationException class in VB.NET?

A - The System.ApplicationException class supports exceptions generated by application programs.

B - Exceptions defined by the programmers should derive from this class.

C - Both of the above.

D - None of the above.

Answer : C

Explanation

Both of the above options are correct.

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