#Components of Authentication
Authentication is a fairly complex topic, but like most complex topics it can be broken down into smaller parts.
##ActiveRecord validations
- What are different types of validations?
- Which ones could be useful?
- Describe 3 use cases.
##ActionController filters?
- What is an ActionController filter?
- What are different types of ActionController filters?
- Describe 3 use cases of filters.
##has_secure_password
- What is
has_secure_password? - How does it work (in Rails)?