1. When you copy data from a file on a storage device into ram, you are ____ from the file.

2. A(n) ____ is client software that displays web page elements and handles links between pages.

3. What is true about thread multitasking?

4. When can anonymous types be created?

5. How would you access the last two people in an array named People?

6. Do you need to declare an out variable before you use it?

7. How do you indicate that a string might be null?

8. What is true about virtual methods?

9. Which code snippet correctly declares a variable named userId with a public get and private set?

10. What is the difference between the break and continue keywords?

11. What is the main difference between a value type and a reference type?

12. How would you write an enum variable called AppState with values for Offline, Loading, and Ready?

13. Which code snippet correctly declares a custom exception named InvalidResponse?

14. Your application has a value type called username that needs to be able to accept null values, but this is generating compile-time errors. How would you fix this in code?

15. What is the difference between finally and finalize blocks?

16. What is the main difference between the is and as operators?

17. What are the four keywords associated with exception handling in C#?

18. What is a delegate

19. When an object in C# is serialized, what is it converted to?

20. What is the most accurate description of a regular expression?

21. What is a thread pool?

22. What function do namespaces perform?

23. How are C# classses limited?

24. What method correctly extends the string class?

25. When will the code inside finally block be executed in a try-catch statement?

26. What is the correct way to write an event named apiResult based on a delegate named ResultCallback?

27. What is the difference between a static and non-static method?

28. How would you write a delegate named ResultCallback with an int parameter named responseCode?

29. How would you serialize this class? public class User {}

30. Which characteristic prevents this code from compiling? public int age="28"

31. What is the difference between non-static and static classes?

32. What is the correct syntax for a new generic list of strings named contacts? (similar to Q26)

33. How would you declare a sealed class named User?

34. When would you use generics in your code?

35. Why would you use a class field in C#

36. What is most accurate description of a regular expression?

37. You're dealing with multiple assemblies in your program, but are worried about memory allocation. At what point in the program life cycle are assemblies loaded into memory?

38. What character would you use to start a regular expression pattern at a word boundary?

39. Given this enumeration, how would you access the integer-type value of 'AppState.Loading'? enum AppState { OffLine, Loading, Ready }

40. What kind of values can arrays store?

41. What are C# events?

42. When an asynchronous method is executed, the code runs but nothing happens other than a compiler warning. What is most likely causing the method to not return anything?

43. What is the difference between throw exceptions and throw clauses?

44. What is the correct syntax for a new generic list of strings named contacts?

45. What it the main purpose of LINQ?

46. What does operator overloading allow you to do?

47. Which choice represents a class that inherits behavior from a base class?

48. When using a thread pool what happens to a given thread after it finishes its task?

49. What is an abstract class?

50. How would you write code for an integer property called Age with a getter and setter?

51. How do you make a method in an abstract class overridable?

52. What is the correct formatting for single line and multiline comments?

53. Lambda expressions are often used in tandem with which of the following?

54. What will be returned when this method is executed? public void userInput(string charParamters) { }

55. Which code snippet declares an anonymous type named userData?

56. What is an object in C#?

57. How does the async keyword work?

58. Which choice best describes a deadlock situation?

59. What is the difference between a.Equals(b) and a == b?

60. When would you use a Dictionary rather that an Array type in your application?

61. What is the difference between an anonymous type and a regular data type?

62. How could you retrieve information about a class, as well as create an instance at runtime?

63. What is the difference between the ref and out keywords?

64. Which choice best defines C#'s asynchronous programming model?

65. Which statement is true of delegates?

66. In which of these situations are interfaces better than abstract classes?

67. A(n) ____ is associated with every running program.

68. A(n) ____ constructor will never take any parameters.

69. An array is a(n) ____ of values in computer memory.

70. The ____ class provides the definitions for gui objects.

71. A(n) ____ is another name for a subscript.

72. A variable that holds the accumulated result of a sum is called a(n) __________.

73. A method’s name and a list of argument types together are its ____.

74. The ____ class access modifier means that access to the class is not limited.

75. A string variable can be declared as an array with elements that are of __________ type.

76. The starting point of a c# program is the _____ method.

77. The ____ control allows you to retrieve date information.

78. you can use the ____ method to accept user input from the keyboard.

79. Predefined types such as int, double, and char are ____ types.

80. Object attributes are often called ____ to help distinguish them from other variables you might use

81. In c#, parameters can be mandatory or ____.

82. If you do not provide an access specifier for a class field, its access is ____ by default.

83. An example of a floating point data type is ____.

84. A generic class is defined ____ on the class definition line.

85. Which of the following components of the .Net framework provide an extensible set of classes that can be used by any .Net compliant programming language?

86. Consider the following C# code. What would be the value of d? int? a = 10; int? b = 11; int? c = 12; a = null; int? d = a ?? b ?? c;

87. What is the output of the following code? static void Main(string[] args) { int a = 5; if (Convert.ToBoolean((.002f) -(0.1f))) Console.WriteLine('Hello'); else if (a == 5) Console.WriteLine('World'); else Console.WriteLine('Bye'); Console.ReadLine(); }

88. At what times can a readonly field of a class be initialized? (Choose all that apply)

89. Which of the following benefits do we get on running managed code under CLR? 1. Type safety of the code running under CLR is assured. 2. It is ensured that an application would not access the memory that it is not authorized to access. 3. It launches separate process for every application running under it. 4. The resources are Garbage collected.

90. What is the default type of a number without a decimal in C#?

91. Which of the following statements is false about virtual and abstract methods?

92. Which of the following are not ordered collection classes? (choose all that apply)

93. Disadvantages of Explicit Conversion are ? (Choose all that apply)

94. Which statement about a String is correct?

95. Choose the incorrect statement among the following about the delegate?

96. Choose the class from which the namespace ‘System.Type’ is derived:

97. Which of the following are jobs not performed by the Garbage Collector? 1. Freeing stack memory. 2. Avoiding memory leakage. 3. Freeing memory occupied by unreferenced objects. 4. Closing unclosed database collections. 5. Closing unclosed files.

98. Choose the method defined by MemberInfo:

99. What is the purpose of the Open XML SDK 2.0?

100. Which is the correct way to find out the number of elements currently present in an ArrayListCollection called arr?