Asp.net mvc

 Certainly! Here's a list of 100 interview questions covering various aspects of ASP.NET MVC:

**ASP.NET MVC Basics:**

1. What is ASP.NET MVC, and how does it differ from traditional ASP.NET Web Forms?

2. Explain the Model-View-Controller (MVC) architectural pattern.

3. What are the main components of an ASP.NET MVC application?

4. How does ASP.NET MVC handle state management compared to Web Forms?

5. Describe the purpose of the Global.asax file in an MVC application.

6. What is routing in ASP.NET MVC, and how does it work?

**Controllers and Actions:**

7. What is an MVC controller, and how do you create one?

8. Explain the role of actions in controllers.

9. How are action methods invoked in ASP.NET MVC?

10. What is the purpose of the ActionResult class?

11. Differentiate between ActionResult types like ViewResult, JsonResult, and ContentResult.

12. How can you restrict access to controller actions based on user roles?

**Views and Razor:**

13. What are views in ASP.NET MVC, and how do you create them?

14. Explain the Razor view engine in ASP.NET MVC.

15. How do you pass data from a controller to a view?

16. What is a partial view, and how is it different from a regular view?

17. How do you create reusable UI components in ASP.NET MVC?

18. Describe the purpose of layout views in MVC.

**Model Binding and Validation:**

19. What is model binding in ASP.NET MVC?

20. Explain the default model binding behavior in MVC.

21. How do you customize model binding in MVC?

22. Describe data annotations and their use for model validation.

23. What is ModelState, and how is it used for validation?

24. How do you perform client-side validation in ASP.NET MVC?

**Routing and Attribute Routing:**

25. What is routing, and why is it important in ASP.NET MVC?

26. How do you configure routing in ASP.NET MVC?

27. Explain attribute routing in ASP.NET MVC.

28. How do you define route constraints in ASP.NET MVC?

29. What is the purpose of route parameters, and how do you access them in actions?

30. Describe the order of route execution in MVC.

**Filters and Action Filters:**

31. What are filters in ASP.NET MVC, and why are they used?

32. Explain the different types of filters in MVC.

33. How do you create a custom action filter in MVC?

34. Describe the order in which action filters are executed.

35. What is the purpose of the [Authorize] filter, and how is it used?

36. How do you handle exceptions using filters in MVC?

**Authentication and Authorization:**

37. How do you implement authentication in an ASP.NET MVC application?

38. Explain the use of ASP.NET Identity for user management and authentication.

39. What is token-based authentication, and how is it used in ASP.NET MVC?

40. Explain the purpose of authorization in ASP.NET MVC.

41. How do you create custom authorization policies in MVC?

42. What is role-based authorization, and how is it implemented?

**State Management:**

43. Describe the options for state management in ASP.NET MVC.

44. How can you maintain session state in an MVC application?

45. Explain TempData and its use for passing data between actions.

46. What is the purpose of TempDataDictionary in MVC?

**Dependency Injection and IoC:**

47. What is dependency injection (DI), and why is it important in MVC?

48. Explain the built-in DI container in ASP.NET MVC.

49. How do you register and resolve dependencies in MVC?

50. Describe the differences between AddScoped, AddTransient, and AddSingleton in DI registration.

51. How can you use custom DI containers in ASP.NET MVC?

**Bundling and Minification:**

52. What are bundling and minification, and why are they important in MVC?

53. How do you bundle and minify CSS and JavaScript files in MVC?

54. Explain the use of the `BundleConfig.cs` file in MVC.

55. What is the purpose of the `Script.Render` and `Styles.Render` methods?

56. How do you enable and disable bundling and minification in MVC?

**Unit Testing in MVC:**

57. How do you write unit tests for MVC controllers?

58. Explain the use of mocking frameworks like Moq for testing in MVC.

59. How can you isolate controller actions for testing?

60. Describe the purpose of the `TestControllerBuilder` class in MVC testing.

61. How do you perform integration tests in MVC using tools like Selenium or NUnit?

**Partial Views and Child Actions:**

62. What is a partial view, and how is it used in MVC?

63. How do you create and render a partial view in MVC?

64. Explain child actions and their use in MVC.

65. What is the purpose of the `Html.Action` and `Html.RenderAction` methods?

66. How do you pass data from a parent view to a partial view in MVC?

**Areas in MVC:**

67. What are areas, and how are they used in ASP.NET MVC?

68. How do you create and configure areas in an MVC application?

69. Explain the purpose of the `AreaRegistration` class in MVC.

70. How do you organize and manage code in different areas of an MVC application?

**Web API Integration:**

71. How can you integrate ASP.NET Web API with an MVC application?

72. Explain the purpose of ApiController in Web API.

73. How do you create and consume Web API services in MVC?

74. Describe content negotiation and response formats in Web API integration.

75. How do you handle authentication and authorization in Web API endpoints?

**Error Handling in MVC:**

76. How do you handle errors in ASP.NET MVC applications?

77. Explain the use of exception filters in MVC error handling.

78. What is the difference between custom error pages and global error handling?

79. How can you log errors in MVC using frameworks like Serilog or NLog?

80. Describe the purpose of the `[HandleError]` attribute in MVC.

**Performance Optimization:**

81. What are some performance optimization techniques for MVC applications?

82. Explain the benefits of asynchronous programming in MVC.

83. How can you optimize database queries for performance in MVC?

84. Describe caching and output caching in MVC for performance improvement.

85. How do you optimize front-end performance in MVC?

**Deployment and Hosting:**

86. How do you deploy an ASP.NET MVC application to a web server?

87. Explain the deployment options for MVC, including IIS and Azure.

88. How can you configure SSL and HTTPS for an MVC application?

89. Describe the process of self-hosting an MVC application.

**Security in MVC:**

90. How do you protect against common security vulnerabilities in MVC applications?

91. Explain the purpose of security headers (e.g., Content Security Policy) in MVC.

92. How do you prevent Cross-Site Request Forgery (CSRF) attacks in MVC?

93. What is Cross-Site Scripting (XSS), and how can it be mitigated in MVC?

**Real-Time Communication:**

94. How can you implement real-time communication in MVC using SignalR?

95. Explain the use of SignalR hubs and clients for real-time updates.

96. Describe scenarios where real-time communication is beneficial in MVC.

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