MVC Interview Questions

MVC interview questions

This millennial generation loves to keep things organized when it comes to digital data and anything else connected to digital mode. To crack an interview, you will require our assistance in answering all the MCV Interview Questions. Reading this article will help you in getting all your doubts and queries cleared so that you can sit in an interview and answer all the questions asked with ease. Our experts and professionals come up with incredible questions and answers, and help you in cracking the interview with flying colors.

About MVC

As it is already mentioned that the term MVC has come out abbreviating words like Model, View, and Controller. In this format, the model speaks about the data shows or the data provided to the website. You can say this is the data-driven structure of the website. In other words, it is the visible form of the database stored on the site. In the name of the View, the layout is categorized. The design of the webpage is signifying the term view. The placement of the contents and the pattern of the content’s segregation consists of the term View. To open any website a URL is needed, the controller operates the request to reach that website through the URL. In other words, it is the direction provider or the career of the request to enter the absolute URL.

Best MVC Interview Questions of 2020

1. What is MVC?

Mvc is architectural design pattern, It is a Three tier architecture. It consists of model,view,controller.

2. What is controller?

It is responsible for taking the end user request and loading the appropriate model and view.

3. What is view?

View is responsible for look and feel.Most often view are created from the model data.

4. What is model ?

Model represent the real world object and provides data to view. often model object retrieve data from the database.

5. What are the advantages of using MVC ?

Seperation of concerns is achieved as we are moving the code behind to separate file. Writing unit test for Automate manual testing. Lightweight Applications can be built.

6. What is routing ?

Routing helps you to define a URL structure and map the url with the controller.

7. Explain attribute based routing in mvc ?

This is new feature in mvc 5. By using the “Route” attribute we can define the url structure.

8. How to maintain sessions in mvc ?

It can be done in three ways 1) Tempdata 2) viewdata 3) viewbag.

9. What is viewdata ?

It helps to maintain data when move from controller to view.

10. What is tempdata ?

It helps to send data from one controller to another controller or from one action to another action.It internally uses session variables.

11. What is the different between tempdata and viewdata ?

TEMPDATA maintains data for the complete request while VIEWDATA maintains data only from controller to the view.

12. What is the use of keep and peek in “Tempdata” ?

Once TEMPDATA is read in the current request it is not available in the subsequent request. Available in subsequent request then after reading we need to keep method.

13. What is partial views ?   

Partial view is reusable views which can be embedded inside other view.

14. Can we display all errors in one time ?

Yes, wen can use by validation Summary method from html helpers class.

16. What is razor in MVC ?

It’s lightweight view engine .its introduced in mvc 3.Syntaxes are very easy compared to .aspx view engine.

17. What are the different type of results in mvc ?

There 12 types of results some of the important for the interviews are 1) action results 2) view results 3) json Results.

18. What is action filters ?

Action filters helps you to perform logic while MVC action is executing or after MVC action is executed.

19. What are Html helpers ?

This is used to modify HTML.But HTML helpers are more lightweight than HTML. Unlike web form controls,an html helpers does not have an event model and a view state.

20. What are the main razor syntax rules ?

  • Razor code block are enclosed in @ { }
  • Code statement end with semicolon
  • Code is case sensitive
  • C# files have an extension .cshtm

21. Explain Areas in mvc ?

Area are just a way to divide or “isolate” the modeuls of larger application in a multiple or separated mvc.when you add a area to a project,a route for the area is defined in the Area Registration file.

22. What are the advantage of Area?

  • Allows us to organize models, view, controller  in to  separate functional section of application
  • Easy to integrate with other area
  • Easy for unit testing

23. Explain Scaffolding?

You add scaffolding to your project when you want to quickly add code that interact with models. It can reduce the amount of time.

24. What is output caching ?

It improves the performance of the application. It enables us to cache the content returned by the controller method so that same content does not need to be generated each time.

25. Explain Bundling ?

It let us to combine multiple js file or multiple .css file so that they can be downloaded as a unit, rather than making individual HTTP request.

26. Explain Minification ?

It squeezes out whitespaces and performs other types of compression to make the downloaded files as small as possible.

27. What is validation summary ?

It is used to display all the error message for all the fields.It can also be used to display custom error message.

28. What is viewStart?

Razor introduces a new layout named _viewstart which is applied to all view automatically. Razor view engine firstly excutes the _viewStart and then start rendering the other view.

29. How can we handle the custom error page ?

Handle error attributes allow us to use custom error page for this error.Config file to allow your application to handle custom errors.

30. Explain Json binding ?

JavaScript object notation(JSON) binding support started from MVC3 which allows the action methods to accept and model-bind data in json format.

Career scopes and salary scale

This digitally operated world has numerous jobs for an MVC educated person. The demand for MVC operator and designer is exceptionally high, and so is the salary. The initial wage runs nearby 50,000 dollars per annum. You can imagine what good wage you are getting and what more benefits that you will face shortly. Due to the high demand for technology-driven updates, the MVC is in high order. Companies are trying to get the best MVC operator for them.

Conclusion

Studying about MVC and knowing the best out of it is not an easy thing, but once you crack the deal, you will feel demanded extremely. In the market, the rate of skilled MVC is not satisfactory, so polish your skills and grab the opportunities now.

Intellinuts Terms : A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z