Quiz on VB.NET Data Structures

Which VB.NET data structure has a fixed size once declared?

• List(Of T)

• Dictionary

• Array

• Collection

The process of adding a new item to a List is done using which method?

• Add()

• Insert()

• Create()

• NewItem()

What indexing system does an Array in VB.NET use?

• 1-based

• 0-based

• Dynamic-based

• Key-based

In a Dictionary(Of Integer, String), what must be unique?

• Values

• Keys

• Indexes

• Data types

What is the output of this code? Dim numbers() As Integer = {10, 20, 30} Console.WriteLine(numbers(1))

• 10

• 20

• 30

• Error

What does “(Of T)” represent in List(Of T)?

• Temporary data

• Type parameter

• Table structure

• Task execution

Which operation reads data from a collection?

• Create

• Read

• Update

• Delete

Which of the following can dynamically change its size?

• Array

• List(Of T)

• String

• Module

What happens when you access an Array index outside its limit?

• It auto-resizes

• It returns Nothing

• It throws a runtime error

• It loops back

In CRUD operations, what does the “U” stand for?

• Undo

• Update

• Upload

• Use