ASP.NET MVC MCQs

What is the main purpose of the ASP.NET MVC framework?
To provide a structured approach for developing web applications by separating concerns into models, views, and controllers
Answer: To provide a structured approach for developing web applications by separating concerns into models, views, and controllers

Which component in ASP.NET MVC is responsible for handling user input and updating the model?
Controller
Answer: Controller

What is the primary role of a model in ASP.NET MVC?
To represent the data and business logic of the application
Answer: To represent the data and business logic of the application

In ASP.NET MVC, what is a view used for?
To present data to the user and handle the user interface
Answer: To present data to the user and handle the user interface

What is the default view engine used in ASP.NET MVC?
Razor
Answer: Razor

Which attribute is used to specify the action method that should be executed in ASP.NET MVC?
[HttpGet], [HttpPost], or [HttpPut]
Answer: [HttpGet], [HttpPost], or [HttpPut]

What is the purpose of the RouteConfig class in ASP.NET MVC?
To define and configure routes for the application
Answer: To define and configure routes for the application

How do you define a route in the RouteConfig class?
By using the routes.MapRoute method
Answer: By using the routes.MapRoute method

What is the purpose of the ViewBag in ASP.NET MVC?
To pass dynamic data from the controller to the view
Answer: To pass dynamic data from the controller to the view

How do you pass strongly-typed data from the controller to the view in ASP.NET MVC?
By using a model class
Answer: By using a model class

What is the purpose of the ModelState dictionary in ASP.NET MVC?
To hold the state of the model during model binding and validation
Answer: To hold the state of the model during model binding and validation

Which method is used to render a partial view in ASP.NET MVC?
Html.Partial or Html.RenderPartial
Answer: Html.Partial or Html.RenderPartial

What is the role of the ActionResult class in ASP.NET MVC?
To represent the result of an action method
Answer: To represent the result of an action method

What is the difference between ViewResult and PartialViewResult in ASP.NET MVC?
ViewResult returns a full view, while PartialViewResult returns a partial view that can be used within other views
Answer: ViewResult returns a full view, while PartialViewResult returns a partial view that can be used within other views

What is the purpose of the @model directive in an ASP.NET MVC Razor view?
To specify the type of the model that the view will use
Answer: To specify the type of the model that the view will use

How can you implement custom routing in ASP.NET MVC?
By adding custom routes to the RouteConfig class
Answer: By adding custom routes to the RouteConfig class

What is the role of the FilterConfig class in ASP.NET MVC?
To configure global filters for the application
Answer: To configure global filters for the application

What is a Custom Action Filter in ASP.NET MVC?
A filter that can be created to execute custom logic before or after an action method runs
Answer: A filter that can be created to execute custom logic before or after an action method runs

How do you apply an action filter to a controller or action method?
By using the [Attribute] syntax
Answer: By using the [Attribute] syntax

What is the purpose of ViewData in ASP.NET MVC?
To pass data from the controller to the view as a dictionary
Answer: To pass data from the controller to the view as a dictionary

How can you define a default route in ASP.NET MVC?
By specifying a default controller, action, and route parameter in the RouteConfig class
Answer: By specifying a default controller, action, and route parameter in the RouteConfig class

What is the ViewModel in ASP.NET MVC?
A model specifically designed to be used in views, often containing multiple models or additional data
Answer: A model specifically designed to be used in views, often containing multiple models or additional data

How do you handle form submissions in ASP.NET MVC?
By using action methods that accept HttpPost requests and process form data
Answer: By using action methods that accept HttpPost requests and process form data

What is the purpose of the HttpPost attribute in ASP.NET MVC?
To specify that an action method should handle POST requests
Answer: To specify that an action method should handle POST requests

How do you create a new controller in an ASP.NET MVC application?
By adding a new class that inherits from the Controller base class
Answer: By adding a new class that inherits from the Controller base class

What is the role of the Global.asax file in an ASP.NET MVC application?
To handle application-level events such as Application_Start and Application_End
Answer: To handle application-level events such as Application_Start and Application_End

What is Dependency Injection in the context of ASP.NET MVC?
A design pattern used to manage dependencies between classes and to inject services into controllers
Answer: A design pattern used to manage dependencies between classes and to inject services into controllers

How do you register a dependency resolver in an ASP.NET MVC application?
By configuring the dependency resolver in the Startup class or Global.asax file
Answer: By configuring the dependency resolver in the Startup class or Global.asax file

What is the HtmlHelper class used for in ASP.NET MVC?
To provide methods for rendering HTML elements in views
Answer: To provide methods for rendering HTML elements in views

How do you validate a model in ASP.NET MVC?
By using data annotations on model properties and validating the model in the controller
Answer: By using data annotations on model properties and validating the model in the controller

What is the purpose of the TempData dictionary in ASP.NET MVC?
To store data temporarily between requests, such as during a redirect
Answer: To store data temporarily between requests, such as during a redirect

How do you configure custom error pages in an ASP.NET MVC application?
By setting up custom error pages in the web.config file or by creating an ErrorController
Answer: By setting up custom error pages in the web.config file or by creating an ErrorController

What is the ActionMethodSelector in ASP.NET MVC?
A component used to select the appropriate action method based on request information
Answer: A component used to select the appropriate action method based on request information

How do you create a Custom View Engine in ASP.NET MVC?
By creating a new class that inherits from ViewEngine and implementing the required methods
Answer: By creating a new class that inherits from ViewEngine and implementing the required methods

What is the purpose of Partial Views in ASP.NET MVC?
To reuse view code across multiple views and to modularize the view layout
Answer: To reuse view code across multiple views and to modularize the view layout

How do you redirect to a different action method in ASP.NET MVC?
By using the RedirectToAction method in a controller
Answer: By using the RedirectToAction method in a controller

What is the ActionLink method used for in ASP.NET MVC?
To generate an HTML anchor (<a>) element that links to an action method
Answer: To generate an HTML anchor (<a>) element that links to an action method

How do you handle AJAX requests in ASP.NET MVC?
By using JsonResult or PartialViewResult and returning data asynchronously from action methods
Answer: By using JsonResult or PartialViewResult and returning data asynchronously from action methods

What is the role of the ControllerBase class in ASP.NET MVC?
To provide base functionality for controllers, including action methods and result processing
Answer: To provide base functionality for controllers, including action methods and result processing

How do you implement custom model binding in ASP.NET MVC?
By creating a custom model binder class that implements IModelBinder and registering it in the ModelBinderConfig
Answer: By creating a custom model binder class that implements IModelBinder and registering it in the ModelBinderConfig

What is the UrlHelper class used for in ASP.NET MVC?
To generate URLs for routing, action methods, and content paths
Answer: To generate URLs for routing, action methods, and content paths

How do you use Html.RenderAction in ASP.NET MVC?
To invoke a child action method and render its output inline within the parent view
Answer: To invoke a child action method and render its output inline within the parent view

What is the purpose of the IActionFilter interface in ASP.NET MVC?
To create custom filters that can be applied to actions and controllers
Answer: To create custom filters that can be applied to actions and controllers

How can you ensure that a controller action requires authentication in ASP.NET MVC?
By using the [Authorize] attribute on the controller or action method
Answer: By using the [Authorize] attribute on the controller or action method

What is the purpose of RedirectToRoute in ASP.NET MVC?
To redirect to a specified route based on route values
Answer: To redirect to a specified route based on route values