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 a true about Object in VB.NET?

A - Object variable size is 4 bytes on 32-bit platform.

B - Object variable size is 8 bytes on 64-bit platform.

C - Any type can be stored in a variable of type Object.

D - All of the above.

Answer : D

Explanation

All of the above options are correct.

Q 2 - Which of the following accesss modifier specifies that an attribute at the beginning of a source file applies to the entire assembly?

Answer : B

Explanation

Assembly − Specifies that an attribute at the beginning of a source file applies to the entire assembly.

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 procedure argument can be omitted when the procedure is called?

Answer : B

Explanation

Optional − Specifies that a procedure argument can be omitted when the procedure is called.

Q 5 - Which of the following accesss modifier allows you to pass an arbitrary number of arguments to the procedure?

Answer : C

Explanation

ParamArray − ParamArray allows you to pass an arbitrary number of arguments to the procedure. A ParamArray parameter is always declared using ByVal.

Q 6 - Which of the following statement declares and defines one or more constants?

Answer : B

Explanation

Const − Declares and defines one or more constants.

Q 7 - Which of the following statement declares a user-defined event?

Answer : A

Explanation

Event − Declares a user-defined event.

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 the rank (number of dimensions) of the Array?

A - Rank

B - LongLength

C - Length

D - None of the above.

Answer : A

Explanation

Rank gets the rank (number of dimensions) of the Array.

Q 10 - The System.SystemException class is the base class for all predefined system exception in VB.NET?

A - true

B - false

Answer : A

Explanation

The System.SystemException class is the base class for all predefined system exception.

vb.net_questions_answers.htm