Which of the following is true about writing tests for a Ruby on Rails application?

What is the behavior of class variables with subclasses?

There is a table named Product in a Rails application. The program is required to fetch any 5 rows where the productid is 2. Which of the following is the correct option to perform this action?

Consider the following information for a User view: user_path named route with value '/users/' @user = 1 Now, consider the following code in the HTML erb template: <%= link_to user_path(@user), 'Angel' %> What will be the HTML output of this code?

If a model called BlogComment is defined, what would its DB table be blog_commentcalled?

What is the output of the following code? $val = 20 print 'Sample Text\n' if $val

Where you define the gems used in a Ruby on Rails application?

I already have a project running locally on port 3000. How can I start another project on port 3001?

True or False. Using 'rails g scaffold card', this will create a Card controller, model and views.

What is the output of following? 1==(0||1)

Which of the following is not a standard validates option?