Interview Questions

1. What does SCM do?

Options:

a. Accepts the request to install windows service from the windows service database

b. It supports a set of commands to execute

c. It is used to maintain the status information

d. All the above

Reveal Answer

2. What is a Windows service?

Options:

a. These run on a separate Windows session

b. These generally start automatically when the computer boots

c. Do not have a UI but a Service console to start/stop/restart the service

d. All the above

Reveal Answer

3. The following methods are available for controlling Windows Service from Service Control Manager:

Options:

a. OnStart

b. OnPause

c. OnContinue

d. All the above

Reveal Answer

4. How is development of a Windows service different from a Windows Forms application?

Options:

a. Windows forms application have UserInterface where as the Windows service doesn’t have any UserInterface

b. A windows service cannot be executed using ctrl+F5

c. It is a background running application that run in their own Windows session.

d. All the above

Reveal Answer

5. Does a Windows service require an identity(authentication) to runs?

Options:

a. Yes

b. No

Reveal Answer

6. How to disable pause feature of a Windows service?

Options:

a. Set Pause attribute to false

b. Set CanPauseAndContinue attribute to false

c. None of the above

Reveal Answer

7. Can a windows service start without a user login in?

Options:

a. yes

b. No

c. can't say

Reveal Answer

8. Will the windows service continue to execute, if the login session is changed by the user of the system

Options:

a. No

b. Yes

c. Can't say

Reveal Answer

9. _________________ can use the identity of any particularly configured user for accessing the resources of the machine.

Options:

a. windows service

b. win form

c. xml

d. None

Reveal Answer

10. Can a windows service execute using Ctrl+F5 ?

Options:

a. Yes

b. No

c. Can't say

Reveal Answer

11. A windows service must be installed as a windows service using the utility program called as ______________

Options:

a. installwind.exe

b. installutil.exe

c. install.util.exe

d. install.exe

Reveal Answer

12. When can we treat that the windows service is successfully deployed in the OS.?

Options:

a. when we get the message " The commit phase completed successfully"

b. when we get the message " Executed successfully"

c. when we get the message " Success"

d. Normal execution

Reveal Answer

13. For any change to be made to the windows service, first it has to be _ and then ___ after making the changes.

Options:

a. stopped, rebuild

b. stopped, build

c. started, rebuild

d. started, build

Reveal Answer

14. ___________________ is a windows application for controlling or managing or providing input to a windows service.

Options:

a. winform

b. windows service controller

c. service controller

d. controller

Reveal Answer

15. To a windows service in the form of custom command a number can be submitted which must be in the range of ____________

Options:

a. 128 to 255

b. 0 to 255

c. 255 to 526

d. 0 to 128

Reveal Answer

16. Before any action is submitted to the windows service, service controller must be _________

Options:

a. restarted

b. stopped

c. refreshed

d. started

Reveal Answer

17. To send custom command to the windows service _________

Options:

a. ServiceController.ExecuteCommand(Int32);

b. ServiceController.Execute(CIntNumber.Text);

c. ServiceController.ExecuteCommand (Int32);

d. ServiceController.ExecuteCommand(CIntNumber.Integer);

Reveal Answer

18. What are the types of Windows Services available in Visual studio? What are they?

Options:

a. 1 type: Win32ShareProcess

b. 2 types: Win32ShareProcess and Win32OwnProcess

c. 3 types: Win32ShareProcess, Win32OwnProcess and Win32Process

d. None

Reveal Answer

19. The Service Control Manager is started at: __________

Options:

a. System boot

b. After logging in

c. Before logout

d. Before shutdown

Reveal Answer

20. How to uninstall Windows Service?

Options:

a. uninstall.exe /u “Windows Service name”

b. install.exe /u “Windows Service name”

c. installUtil.exe /u “Windows Service name”

d. uninstallUtil.exe /u “Windows Service name”

Reveal Answer

21. Select the states of Windows Service Application

Options:

a. Running

b. Paused

c. Stopped

d. Pending

e. All the above

Reveal Answer

22. Where can a Win32ownProcess run and how can it be started?

Options:

a. Runs in its own service and started by Service Controller

b. Runs in its own service and started manually

c. Runs in other process

d. None

Reveal Answer

23. How can one add functionality to a service application?

Options:

a. Services based on the class inherited from System.ServiceProcess.ServiceBase are overridden

b. Services based on the class inherited from System.ServiceProcess.ServiceBase are inherited

c. Services based on the class inherited from System..ServiceBase are overridden

d. None of the above

Reveal Answer

24. Which of the following methods can be overridden to add functionality to a service application?

Options:

a. OnStart

b. OnStop

c. OnShutdown

d. All the above

Reveal Answer

25. Can Windows service identify the changes done to app.config and saved?

Options:

a. No, the service needs to be restarted to see the changes.

b. Yes, the changes reflect immediately when it is running

c. Services cannot be changed

d. It is not possible to change app.config

Reveal Answer

26. What is the command to start a service?

Options:

a. sc start servicepath

b. sc start ServiceName

c. start ServiceName

d. start ServicePath

Reveal Answer

27. What is the command to stop a service?

Options:

a. sc stop servicepath

b. sc stop ServiceName

c. stop ServiceName

d. stop ServicePath

Reveal Answer

28. Is Windows Service Platform Depended?

Options:

a. Yes

b. No

Reveal Answer

29. Can Windows Service run even after the user has logged off?

Options:

a. No

b. Yes

Reveal Answer

30. Does Windows Service have a User Interface?

Options:

a. Yes

b. No

Reveal Answer

31. How can one check the type of service that is running?

Options:

a. Using ServiceController.ServiceType property

b. Using ServiceController.ServiceHandle property

c. Using ServiceController.Status property

d. Using ServiceController.ServiceName property

Reveal Answer

32. Which property can be used to log service events to Windows event logs?

Options:

a. ServiceBase.AutoLog

b. ServiceBase.Events

c. ServiceBase.Site

d. None of the above

Reveal Answer

33. What are the startup options available for a service?

Options:

a. Automatic

b. Manual

c. Disabled

d. All the above

Reveal Answer

Interview Questions and Answer

1. What does SCM do?

2. What is a Windows service?

3. The following methods are available for controlling Windows Service from Service Control Manager:

4. How is development of a Windows service different from a Windows Forms application?

5. Does a Windows service require an identity(authentication) to runs?

6. How to disable pause feature of a Windows service?

7. Can a windows service start without a user login in?

8. Will the windows service continue to execute, if the login session is changed by the user of the system

9. _________________ can use the identity of any particularly configured user for accessing the resources of the machine.

10. Can a windows service execute using Ctrl+F5 ?

11. A windows service must be installed as a windows service using the utility program called as ______________

12. When can we treat that the windows service is successfully deployed in the OS.?

13. For any change to be made to the windows service, first it has to be _ and then ___ after making the changes.

14. ___________________ is a windows application for controlling or managing or providing input to a windows service.

15. To a windows service in the form of custom command a number can be submitted which must be in the range of ____________

16. Before any action is submitted to the windows service, service controller must be _________

17. To send custom command to the windows service _________

18. What are the types of Windows Services available in Visual studio? What are they?

19. The Service Control Manager is started at: __________

20. How to uninstall Windows Service?

21. Select the states of Windows Service Application

22. Where can a Win32ownProcess run and how can it be started?

23. How can one add functionality to a service application?

24. Which of the following methods can be overridden to add functionality to a service application?

25. Can Windows service identify the changes done to app.config and saved?

26. What is the command to start a service?

27. What is the command to stop a service?

28. Is Windows Service Platform Depended?

29. Can Windows Service run even after the user has logged off?

30. Does Windows Service have a User Interface?

31. How can one check the type of service that is running?

32. Which property can be used to log service events to Windows event logs?

33. What are the startup options available for a service?

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