Which of the following is not true about log levels in Ruby on Rails?

When a new controller named 'admin2' is created, the JS and the CSS files are created in:

Select all incorrect statements regarding the Ruby Version Manager (RVM):

Which is not a built-in Rails caching strategy used to reduce database calls?

In a Rails application, the developmental and production configuration are stored in the:

What is the convention for methods which end with a question mark? e.g. #all?, #kind_of?, directory?

Let we have declared a Student class. What is output of this statement? Student.class

Which of these statements will utilize the gem named 'mygem

Where to add business logic? a) Model b) Controller c) View

Where declare validations to a application?

If @user is not null, the expression <%= @user.present? ? 'Yes' : 'No' %> return: