General Blackberry-Native SDK Development MCQs

1. In what situation would you need to have a debug token installed for you to be able to load debug applications?

2. Consider the following in C++: namespace myNamespace { int a; int b; } How would the main part of the program access myNamespace variable a?

3. Which of the following can QML access from C++?

4. When adding multiple comments, what must be at the beginning and end of the line?

5. Which of the following is a property that is relative to another property?

6. Which of the following operators allow you to define the member functions of a class outside the class in C++?

7. Which of the following is NOT a component of the Qt toolkit?

8. How many slots can a signal be connected to?

9. When one class is derived from another in C++, what is inherited from the base class?

10. Which of the following is an example of an AbstractPane

11. Why is it important to use comment marks within QML syntax?

12. Is it possible to write an app entirely in QML as opposed to C++?

13. True or False? You can only debug on a simulator.

14. What static function do you use to connect a signal to a slot with C++?

15. What is Cascades?

16. Which of the following is not a correctly written id value?

17. When a CheckBox control's check state signal changes, what signal does it emit?

18. True or False? An AutoConnection will automatically detect if the slot is in an object on another thread and make the queued connection.

19. What is one way that properties are specified?

20. What is the syntax for signal declaration?

21. Select the correct statement about the Model and the View features.

22. When a property is set to relative, what happens to the child object value when the parent value is changed?

23. What does ComponentDefinition represent?

24. Which C++ statement assigns to variable a the address of variable b?

25. In the Momentics IDE, what is the difference between a workspace and a perspective?

26. Which of the following are property types that QML supports?

27. When adding a comment, what must the line start with?

28. Which of the following are examples of UI controls?

29. Why must an object id value always be unique within a single component?

30. What is required of id syntax?

31. What is the proper syntax for importing the geoMonitor.h header file?

32. Choose the C++ statement which declares a function with a default value for an argument.

33. How do you put your phone into Development mode?

34. In order to use the functionality that the Image API offers, you must do what?

35. Choose the best description of the following configuration: Dialog* pMyDialog = Dialog::create() .content(Container::create()) .onClosed(this, SLOT(onClosedHandler()) .open();

36. What control emits the clicked() signal?

37. What function hides the page on the top of the stack, then removes it from the navigation stack and displaying the previous page again?

38. How would you declare a pointer which has no type in C++?

39. If you press and hold an item that has Context Actions on it, which of the following will happen?

40. What must users utilize to bring their headless apps associated UIs to the foreground?

41. The _______ file is the main piece of the UI (the root of the visualization of the program).

42. An instant messaging client is an example of what kind of app?

43. Which of the following are examples of headless, short-running apps?

44. What is the correct order when setting up an event que for requesting and listening for events?

45. When creating a member function that needs to function as a slot, what section must you place the function declaration?

46. When multiple properties are specified on a single line, what must they be separated by?

47. What are JavaScript expressions used for within the QML language?

48. If you need your app to continue running despite it not being visible, what permissions must be changed in what file?

49. In regard to C++, the first-class containers in the STL include:

50. Given the following code sample in C++: catch(…) { cout << "exception";}. What do the ellipses indicate?

51. Which macros should accompany the connect() parameter?

52. Select the statement that is true.

53. Consider this code fragment in C++: a = 25; b = &a; What does b equal?

54. What is the following QML code sample do? signal mySignal(float value, bool enabled)

55. Which of the following is a way to properly create a password field in QML?

56. When your QML property is type-safe, what must be matched with the property type?

57. The BBM Social Platform uses a(n) ____ programming model.

58. Within a signal handler, what does JavaScript determine?

59. If you wanted to develop Cascade applications, which of the following applications would you NOT need to use?

60. Which of the following properly displays the syntax to import JavaScript code into the temperature conversion app?

61. Which of the following is not a field that messages can include?

62. By default, long-running headless apps have a short run time. What permissions must be changed to extend their run time?

63. What type of exceptions will the following C++ function throw: int myfunction (int a) throw();?

64. Which of the following is NOT a perspective in the Momentics IDE?

65. Once you have created an object, when is it necessary to change its id?

66. How are JavaScript inline functions added to QML elements?

67. Which of the following is not a step in loading a QML document from C++?

68. The acronym PPG stands for:

69. Which of the following is NOT true about the QString Qt class?

70. If the value of a slider changes, what signal is emitted by the Slider control?

71. When a property has be declared as a default property, what can be done to the property tag?

72. Which of the following is NOT true about Cascades?

73. What trait should signals have if you want to provide simple interactions in your apps?

74. Which of the following lines of code are depicting an attached property?

75. True or False? The MOC can't convert macros defined by Qt into C++ code.

76. If you wanted to connect a smoke detector and sprinkler system, what would logically be the syntax for its slot?

77. Which of the following Core Qt classes does NOT use implicit sharing?

78. Objects within QML are specified by what?

79. The frame around the display area of the screen is called what?

80. Where does the compiler first look for file.h in the following C++ directive: #include "file.h" ?

81. The class QAbstractEventDispatcher is apart of the QTCore. The QAbstractEventDispatcher Interface to manage QT's ___ ___.

82. When an application does not have permission to run in the background the application lifecycle includes the ____ ____.

83. Why is it important to not allow untrusted data to be appended when using the QScriptEngine class?

84. Of the following, which is a properly written property value?

85. In C++, can you use the same signal handlers for predefined signals that you use in QML?

86. When the following code is added to the .pro file, what does it do? LIBS += -lbbplatform

87. What is the maximum number of items that can be contained within an Application menu

88. Below is the default property of the Dialog control. Please select the true statement: Page { attachedObjects: [ Dialog { Container { Button {} Button {} } } ] }

89. Which layouts allow objects to overlap?

90. The QTSql Module contains the QSqlClassRelation class. What does this class do?