Views, ViewModels, and Action Results

1. What is the primary purpose of a ViewModel in the MVC pattern?

To store all application data in one class To define the exact data required by a specific view To enable database operations directly through the view To manage user authentication and authorization

2. Which ActionResult should be used to create a redirect after a successful POST request?

View() PartialView() RedirectToAction() Json()

3. What is a potential downside of using ViewBag for passing data to a view?

It is strongly typed and checked at compile time It can lead to compile-time errors if misused It allows for a flexible data contract not tied to model classes It lacks compile-time checking leading to runtime issues

4. Which of the following ActionResults should be used to return a JSON response for AJAX calls?

View() PartialView() Json() File()

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