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