Which of the following instances are variables in your functional tests? (check any that apply)

In Ruby on Rails, an action is typically a basic ____ that describes how to respond to a specific external web-browser request?

A controller is a server-side _____ of Rails that responds to external requests from the web server to the application?

Purpose of using below code in filter_parameter_logging.rb? Rails.application.config.filter_parameters += [:password]

Difference between 'has_many :through' and 'has_and_belongs_to_many'?

The following methods skip validations, and will save the object to the database regardless of its validity?

How do you render a variable in ERB template?

How does the Asset Pipeline (Rails 3.1 +) deal with different precompiled versions of an asset?

What is not a proper REST verb?

What is the proper way to subclass a Module?

Which expression will not return a sum of array elements in Ruby on Rails?