.NET Framework MCQ Questions Answers

1. What does JIT do in .Net?

2. What is the difference between a heap and a stack?

3. Why would the .NET Framework use Econo-JIT (Just-inTime)?

4. What is the interface segregation principle?

5. Which statement about a read-only variable is not true?

6. You want to create an instance of several families of classes. Which design pattern best fits this objective?

7. What does IL stand for?

8. What does CIL stand for?

9. Which choice best describes the difference between globalization and localization?

10. What method do you use to explicitly kill a user's session?

11. What is the Liskov substitution principle?

12. The ASP.NET Core Module is a native IIS module that plugs into the IIS pipeline to either _.

13. What is .NET?

14. Why would the .NET Framework use Normal-JIT (Just-in-Time)?

15. When should you use the .NET Core class library project type?

16. Which statement about the this keyword is not true?

17. Which choice is NOT a component of .NET Framework?

18. What is a task?

19. Why use design patterns?

20. Where should you store connection string information?

21. How can you recieve form data without a model binder in a controller action? Note: The differences are IFormResult/IActionResult and Forms/Form

22. Which choice creates an 8-tuple containing prime numbers that are less than 20?

23. You want to add responsibilities to object dynamically. Which design pattern best fit this objective?

24. What is a thread?

25. Which statement describes a Dispose method?

26. Why would you use ahead-of-time (AOT) compilation?

27. _ pattern works as a bridge between two incompatible interfaces? // wording in question is maybe changed?

28. What is CIL?

29. What is the purpose of CLR?

30. Which is NOT true about a constant variable?

31. Which of the following selects an anonymous type?

32. What is a namespace?

33. What is the dependency inversion principle?

34. You want to create a class of which only a single instance can exist. Which design pattern best fits this objective?

35. You must connect an app to an online identity provider using OAuth. For authentication, the app uses WebAuthenticationBroker object. You need to make sure the app registers with the provider. Which action do you take?

36. What do code contracts do?

37. Why would Pre-JIT be used by the .NET Framework?

38. You want to encapsulate a command request as an object. Which design pattern best fits this objective?

39. You want to separate object construction from its representation. Which design pattern best fits this objective?

40. When break is used inside two nested for loops, does control come out of the inner for loop or the outer for loop?

41. What is the difference between System.String and string?

42. Which is NOT true about a read-only variable?

43. Which is NOT true about lambda statements?

44. What does CAS stand for and what does it do?

45. What is an interface in .NET?

46. What is the namespace for caching information in .NET?

47. What is an abstract class in .NET?

48. Assuming y is a value type, which is an example of boxing?

49. What is the Common Type System (CTS)?

50. What is the difference between a SDK (software development kit) and runtime in .NET Core?

51. When should a developer use the .NET Standard class library project type?

52. What is the single responsibility principle?

53. Which is a set of features that extends the query capabilities of the .NET language syntax by adding sets of new standard query operators that allow data manipulation, regardless of the data source?

54. What is a delegate?

55. What happens when you concatenate two strings?

56. What makes a strong-named assembly?

57. You want to include language elements in a program. Which design pattern best fits this objective?

58. Which code do you use if you want to trigger a garbage collection in .NET?

59. When you define an abstract method, how do you use it in a derived class?

60. What is CoreCLR?

61. When would you use asynchronous actions?

62. What is Kestrel?

63. Which group contains all official types of JIT compilations?

64. What is the difference between a stack and queue?