LinkedIn Ruby on Rails Skill Assessment

LinkedIn Ruby on Rails Exam Answers 2024

 Ruby on Rails Linkedin learning

Which of the following is NOT a standard Rails callback method?

• before_find
• around_create
• after_initialize
• before_validation

Linkedin Ruby on Rails assessment answers

Which statement best explains the purpose of `includes(:address)` in the following code?

@portfolios = Portfolio.includes(:image).limit(20)

 @portfolios.each do |portfolio|

  puts portfolio.image.caption

 end

• It enables the code to access the image instance related to each portfolio instance.
• It joins the two tables into a single database query.
• It will execute 2 database queries instead of 21 database queries.
• It preloads the image files using asset pipeline.

Linkedin Ruby on Rails assessment

Which example below shows an INCORRECT way to render a partial?

• <%= render(:partial => 'shared/product') %>
• <%= render('shared/product', :collection => @products) %>
• <%= render(template: 'shared/product', with: @products) %>
• <%= render('shared/product', locals: { product: @product }) %>

Linkedin Ruby on Rails Quiz

Which choice best describes the expected value of @result?

@result = article.first.tags.build(name: ‘urgen’)

•  A saved tag instance
•  An unsaved tag instance
•  An array of tag instances
•  Either true or false

Ruby on Rails Linkedin test

What code could be used in a template to output "Ruby" in the response to the browser?

• <= print "Ruby" >
• <? echo "Ruby" ?>
• <%= "Ruby" %>
• <% puts "Ruby" %>

   Linkedin learning Ruby on Rails

   Ruby on Rails Linkedin API