Visual Basic .NET (VB.NET) Mcq Question Answer Part - 6

Question: 1. Only derived class can have shadows keyword

Option A. True

Option B. False

Question: 2. For the same class "Me" and MyBase" are same

Option A. True

Option B. False

Question: 3. If you want to open a file named "a.txt" use

Option A. System.diagnostics.Start("a.txt")

Option B. System.Start("a.txt")

Option C. System.diagnostics.Process.Start("a.txt")

Option D. System.Process.Start("a.txt")

Question: 4. _________ actually updates the values in a DataSet permanently

Option A. OleDataAdapterq1.update(DataSet1,"emp")

Option B. DataSet1.Merge(DataSet1)

Option C. DataSet1.AcceptChanges()

Option D. DataSet1.Update()

Question: 5. /*1. OleDataAdapterq1.update(DataSet1,"emp")
2. OleDataAdapterq1.update(DataSet1,"std")
3. DataSet1.Merge(DataSet1)
4. DataSet1.AcceptChanges()
/* The error is in line

Option A. 2

Option B. 4

Option C. 3

Option D. No Error

Question: 6. Using ADODB multiple tables can be connected at a time

Option A. True

Option B. False

Question: 7. A DataSet can be updated only when the connection is open

Option A. True

Option B. False

Question: 8. To redimension an array with its previous values intact use ___________ keyword

Option A. RedimPreserve

Option B. Preserve

Option C. Redim

Option D. Redim Preserve

Question: 9. _________ and _____________ combines to make a KeyPress event

Option A. KeyUp, KeyDown

Option B. KeyEnter, KeyRelease

Option C. KeyDown, KeyRelease

Option D. KeyEnter, KeyUp

Question: 10. To retrieve the default path of the project use

Option A. Application.Path

Option B. Application.DefaultPath

Option C. Application.StartupPath

Option D. Application.ProjectPath

Question: 11. Application.StartupPath actually points to

Option A. //ProjectName

Option B. //ProjectName/Bin

Option C. //ProjectName/Debug

Option D. //ProjectName/Bin/ProjectName.exe

Question: 12. A form can not call itself

Option A. True

Option B. False

Question: 13. If a form call another form and the caller form is closed through code, then both forms are disposed

Option A. True

Option B. False

Question: 14. When a project is Built it creates a _______ and ________ file under Bin directory

Option A. .exe, .sln

Option B. .exe, .dll

Option C. .dll, .sln

Option D. .exe, .ocx

Question: 15. The EventLog's ________ method is used to write an entry to a log file

Option A. WriteLine

Option B. WriteEntry

Option C. Add

Option D. Append

Question: 16. A form can have only one default button

Option A. True

Option B. False

Question: 17. If a button click event is to be fired when the user press the 'Esc' key, set the buttons name against forms _________ property

Option A. DefaultButton

Option B. AcceptButton

Option C. DialogResult

Option D. CancelButton

Question: 18. If nothing is selected in a combo box, its index value is

Option A. -1

Option B. 0

Option C. 1

Option D. Null

Question: 19. A Windows Service if installed cannot be uninstalled

Option A. True

Option B. False

Question: 20. To uninstall a Windows Service ____________ is use

Option A. Installutil -I

Option B. Installutil -e

Option C. Installutil -u

Option D. Installutil -d

Answer Sheet

1	A
2	A
3	C
4	C
5	D
6	B
7	B
8	D
9	A
10	C
11	B
12	B
13	A
14	B
15	B
16	A
17	D
18	A
19	B
20	C

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VB.NET MCQ Question Answer Part - 5

Question: 1. PasswordChar property of a TextBox can accept " " (space) as the password char

Option A. True

Option B. False

Question: 2. If Scrollbars property of a TextBox is set to Hortizontal and the WordWrap property is also set to true. Which one will get precedence

Option A. Scrollbars

Option B. WordWrap

Option C. No precedence both will work

Question: 3. A single LinkLabel can support multiple links

Option A. True

Option B. False

Question: 4. To add items stored in an array to a ListView use

Option A. List1.Add(name of the array)

Option B. List1.AddItem(name of the array)

Option C. List1.Items.Add(name of the array)

Option D. List1.Items.Addrange(name of the array)

Question: 5. This property of TrackBar is not present

Option A. TickStyle.Both

Option B. TickStyle.None

Option C. TickStyle.TopLeft

Option D. TickStyle.BottomLeft

Question: 6. Default event handler of Splitter is

Option A. Splitter.Click

Option B. Splitter.Clicked

Option C. Splitter.Drag

Option D. None of the above

Question: 7. A form can have only ______ Main Menu and _________ Context Menu

Option A. 1,1

Option B. 1,Multiple

Option C. Multiple,1

Option D. 1,2

Question: 8. The Apply button automatically appears of the Font Dialog Box is opened

Option A. True

Option B. False

Question: 9. A user wants that custom colors are visible when the Color Dialog Box is first Opened. What should he do?

Option A. Set AllowFullOpen to True

Option B. Set AnyColor to True

Option C. Set Open to True

Option D. Set FullOpen to True

Question: 10. To print use

Option A. PrintDialog1.Print()

Option B. PrintDocument1.Print()

Option C. Printer1.Print()

Option D. None of the above

Question: 11. In TreeView to get the node the mouse is pointing to, use

Option A. GetNode

Option B. Node

Option C. GetNodeAt

Option D. SelectNode

Question: 12. A TreeView can have multiple root nodes

Option A. True

Option B. False

Question: 13. To view Panels of a StatusBar set _________ to true

Option A. Panel

Option B. Panels

Option C. ShowPanel

Option D. ShowPanels

Question: 14. The default Tab of a Tab Control is

Option A. The first tab

Option B. The last tab added

Option C. The last tab modified

Option D. There is no default tab.

Question: 15. If a Class in inherited, its constructor is inherited automatically and it is fired automatically

Option A. True

Option B. False

Question: 16. To override Finalize function the scope of the function must be

Option A. Private

Option B. Public

Option C. Protected

Option D. Static

Question: 17. Class cc
public _________ I as string
end class
Button1_Click
cc.I=100

Option A. Share

Option B. Shared

Option C. Global

Option D. Static

Question: 18. If an user-defined class have a user-defined event then, the class object is declared as

Option A. Dim c as new ClassName

Option B. Dim withEvents c as new ClassName

Option C. Dim c as ClassName

Option D. Dim withEvents c as ClassName

Question: 19. /*1. Class C
2. public mustinherit sub abc()
3. msgbox("Base Class")
4. end sub
5. end Class /* The error is in line no.

Option A. 1

Option B. 2

Option C. 3

Option D. 4

Question: 20. /*1. Class C
2. public notoverridable sub abc()
3. msgbox("Base Class")
4. end sub
5. end Class /* The Error in Line No.

Option A. 2

Option B. 3

Option C. 4

Option D. No Error

Answer Sheet

1	B
2	B
3	A
4	D
5	D
6	D
7	B
8	B
9	D
10	B
11	C
12	A
13	D
14	A
15	A
16	C
17	B
18	B
19	A
20	A

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VB.NET New MCQ Question Answer Part-4

 

Question: 1. DataSet can be used to connect to Crystal Report

Option A. True

Option B. False

Question: 2. dim arr(10) as string,
the max index of the array is

Option A. 9

Option B. 10

Option C. Can be >10 also

Option D. None of the above

Question: 3. Use a _________ statement to make Visual Basic object the default object for a set of enclosed Visual Basic statements.

Option A. With

Option B. Using

Option C. Import

Option D. Inherit

Question: 4. If Option Explicit is on then Dim i as Integer="10" will produce an error

Option A. True

Option B. False

Question: 5. Dim a() as Integer-{1,2,3,4}is a valid statement

Option A. True

Option B. False

Question: 6. ___________ is used to pass copies of a variable while __________ is used to pass address of a variable.

Option A. Byval, Byref

Option B. Byref, Byval

Option C. Any one of the above

Option D. None of the above

Question: 7. A function can have multiple return statements

Option A. True

Option B. False

Question: 8. Function abc() As String
Return 10
End Function

Option A. Will produce compilation error

Option B. Will produce runtime error

Option C. The function will execute normally

Option D. None of the above

Question: 9. On error goto lbl is a

Option A. Structured error

Option B. Unstructured error

Question: 10. To get details about an error use

Option A. Err.Message

Option B. Err.Desc

Option C. Err.Description

Option D. Err.Number

Question: 11. Finally is fired only when error occurs

Option A. True

Option B. False

Question: 12. Get method is used to

Option A. Assign a value to an user control

Option B. Read value from an user control

Option C. Both of the above

Option D. None of the above

Question: 13. Set method is used to

Option A. Assign a value to an user control

Option B. Read value from an user control

Option C. Both of the above

Question: 14. The correct sequence of Form Loading is

Option A. Load

Option B. Initialize, Load, Activate

Option C. Initialize, Activate, Load

Option D. Activate, Initialize Load

Question: 15. InputBox by default returns ________ values

Option A. Integer

Option B. Byte

Option C. Double

Option D. String

Question: 16. To add controls at runtime use

Option A. Controls.New

Option B. Controls.AddNew

Option C. Controls.Add

Option D. Controls.AddItem

Question: 17. To call a buttons click event use

Option A. Button1.Click

Option B. Button1.PerformClick

Option C. Button1.Clicked

Option D. None of the above

Question: 18. To vertically arrange all forms in an MDI form use

Option A. Me.Layout(MdiLayout.TileVertical)

Option B. Me.MdiLayout(MdiLayout.TileVertical)

Option C. Me.LayoutMdi(MdiLayout.TileVertical)

Option D. Nothing is required because default is Vertical

Question: 19. While handling keystrokes if e.Handled=True is set then Visual Basic

Option A. Will handle the key

Option B. Will not handle the key

Option C. Will send the key to Garbage collector

Option D. None of the above

Question: 20. Dim S as Integer=10
Text1=S
Msgbox(Text1.Text)

Option A. Will return error

Option B. Will return 10

Option C. Will return 0

Option D. Will return Null

Answer Sheet

1	A
2	B
3	A
4	B
5	A
6	A
7	B
8	A
9	B
10	C
11	B
12	A
13	B
14	B
15	D
16	C
17	B
18	C
19	B
20	A

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