MVC Interview Questions-3 (Filters)

Q.1 What is the use of action filters in an MVC application?
Action Filters allow us to add pre-action and post-action behavior to controller action methods.

Q.2 If I have multiple filters impleted, what is the order in which these filters get executed?
1. Authorization filters
2. Action filters
3. Response filters
4. Exception filters

Q.3 What are the different types of filters, in an asp.net mvc application?
1. Authorization filters
2. Action filters
3. Result filters
4. Exception filters

Q.4 Give an example for Authorization filters in an asp.net mvc application?
1. RequireHttpsAttribute
2. AuthorizeAttribute

Q.5 Which filter executes first in an asp.net mvc application?
Authorization filter

Q.6 What are the levels at which filters can be applied in an asp.net mvc application?
1. Action Method
2. Controller
3. Application

Q.7 Is it possible to create a custom filter?
Yes

Q.8 What filters are executed in the end?
Exception Filters

Q.9 Is it possible to cancel filter execution?
Yes

Q.10 What type of filter does OutputCacheAttribute class represents?
Result Filter