Dot Net Mvc Interview Questions
Important Questions to Prepare for a .NET MVC Interview
Dot Net Mvc Interview Questions
In a .NET MVC interview, you can expect questions related to the key concepts of Model-View-Controller architecture, understanding of routing and controllers, data binding techniques, dependency injection, commonly used design patterns like Repository Pattern, Unit of Work, and best practices for building web applications using ASP.NET MVC framework. Additionally, interviewers might inquire about your experience with client-side technologies such as JavaScript, jQuery, and Ajax in an MVC context, as well as your knowledge of security practices, error handling, and performance optimization in MVC applications. It is essential to be prepared to discuss your project experience, problem-solving skills, and ability to work with various stakeholders in a collaborative environment.
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1 - What is ASP.NET MVC?
ASP.NET MVC is a web application framework developed by Microsoft, which implements the model view controller pattern. It allows developers to build web applications by separating the different aspects of the application the model (data), the view (user interface), and the controller (logic for handling requests and generating responses).
2) Explain the difference between ASP.NET WebForms and ASP.NET MVC.
ASP.NET WebForms follows a traditional event driven model, where pages are built using server side controls. ASP.NET MVC, on the other hand, encourages the use of clean separation of concerns and test driven development by separating the different components of the application. WebForms have a page based lifecycle, while MVC has a request based life cycle.
3) What are the main components of ASP.NET MVC?
The main components of ASP.NET MVC are Model, View, and Controller. Models represent data and business logic, Views are responsible for rendering the user interface, and Controllers handle user input and update the model.
4) Explain the role of Routing in ASP.NET MVC.
Routing in ASP.NET MVC defines how URLs map to controllers and actions in the application. It enables clean, human readable URLs that are also search engine friendly. Routing is configured in the RouteConfig.cs file and helps in creating SEO friendly URLs.
5) What are Action Filters in ASP.NET MVC?
Action Filters in ASP.NET MVC are attributes that can be applied to controller actions or entire controllers to add pre processing and post processing logic. They help in executing custom logic before or after an action method is called, such as performing authentication, logging, or error handling.
6) How does Model Binding work in ASP.NET MVC?
Model Binding in ASP.NET MVC automatically maps the data from incoming HTTP requests to action method parameters or properties of model objects. It simplifies the process of capturing form data and binding it to the corresponding model objects, reducing the amount of manual code required for data retrieval.
7) What is the TempData object in ASP.NET MVC?
The TempData object in ASP.NET MVC is used to pass data between actions in the same controller or between controllers during the current and subsequent request. It is a dictionary that stores data for the next HTTP request and is useful for scenarios where data needs to be preserved for a short duration.
8) How can validation be implemented in ASP.NET MVC?
Validation in ASP.NET MVC can be implemented using both client side and server side validation techniques. Client side validation can be achieved using JavaScript frameworks like jQuery Validate, while server side validation can be performed using data annotations, custom validation attributes, or implementing the IValidatableObject interface in models.
9) Explain the concept of Areas in ASP.NET MVC.
Areas in ASP.NET MVC allow developers to organize large web applications into modules, each containing its own controllers, views, and models. This helps in structuring the application and separating different functional areas for better modularity, maintainability, and reusability.
10) How can authentication and authorization be implemented in ASP.NET MVC?
Authentication and authorization in ASP.NET MVC can be implemented using various techniques such as Forms Authentication, Windows Authentication, or integrating with external authentication providers like OAuth. Authorization can be achieved by using attributes like AuthorizeAttribute to restrict access to certain actions or controllers based on user roles or permissions.
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