ASP.NET MVC 4

Question 1

In asp.net mvc 4 what does Content() helper method return

Answer 1

Returns a ContentResult that renders arbitrary text, e.g., “Hello, world!”

Question 2

In asp.net mvc 4 what does File() helper method return

Answer 2

Returns a FileResult that renders the contents of a file, e.g., a PDF.

Question 3

In asp.net mvc 4 what does HttpNotFound() helper method return

Answer 3

Returns an HttpNotFoundResult that renders a 404 HTTP status code response.

Question 4

In asp.net mvc 4 what does JavaScript():: helper method return

Answer 4

that renders JavaScript, e.g., “function hello() { alert(Hello, World!); }”.

Question 5

In asp.net mvc 4 what does Json() helper method return

Answer 5

Returns a JsonResult that serializes an object and renders it in JavaScript Object
Notation (JSON) format, e.g., “{ “Message”: Hello, World! }”.

Question 6

In asp.net mvc 4 what does PartialView() helper method return

Answer 6

Returns a PartialViewResult that renders only the content of a view (i.e., a view
without its layout).

Question 7

In asp.net mvc 4 what does Redirect() helper method return

Answer 7

Returns a RedirectResult that renders a 302 (temporary) status code to redirect
the user to a given URL, e.g., “302 http://www.ebuy.com/auctions/recent”. This
method has a sibling, RedirectPermanent(), that also returns a RedirectResult, but
uses HTTP status code 301 to indicate a permanent redirect rather than a temporary
one.

Question 8

In asp.net mvc 4 what does View() helper method return

Answer 8

Returns a ViewResult that renders a view.

Question 9

When the ASP.NET MVC 4 Framework comes across a controller action
that returns a non-ActionResult type what does it do

Answer 9

automatically wraps the value

in a ContentResult and renders the value as raw content.

Question 10

in asp.net where do you enable/disable client side validation and/or unobtrusive javascript

Answer 10

web.config,

Question 11

in asp.net mvc 4 how can you include jscripts

Answer 11

@section scripts { … }

Question 12

in asp.net mvc 4 what is the idea behind a front controller pattern

Answer 12

when an HTTP request is sent, a controller intercepts and processes it.
The controller is responsible for determining how to process the request and for sending
the result back to the client.

Question 13

in asp.net mvc 4 what two engines are involved in processing an http request

Answer 13

routing and view

Question 14

in asp.net mvc 4 what is the purpose of the action filter

Answer 14

security, caching, error handling

Question 15

in asp.net most action methods return an instance of a class called what

Answer 15

ActionResult

Question 16

in asp.net mvc 4 action filtering allows for what

Answer 16

to perform logic before an action method is called or after an action method runs

Question 17

in asp.net mvc 4 how can you apply action filtering to a class

Answer 17

public class SingleSignOnAttribute : ActionFilterAttribute, IActionFilter

Question 18

in asp.net mvc 4 where should business logic exist

Answer 18

in the model

Question 19

a yield return accomplishes what

Answer 19

it allows for it to save its state whilst also returning a value.

i.e. yield return 1;
yield return 2;

Question 20

in asp.net what does the IEnumerable interface accomplish

Answer 20

it allows you to use a collection of objects and enumerate through them like the case of using a foreaach to access each object contained within