Ruby Interview Questions

Sure, here are 50 common Ruby interview questions:

 

  1. What is Ruby?
  2. What are the key features of Ruby?
  3. How is Ruby different from other programming languages?
  4. What is the difference between Ruby and Ruby on Rails?
  5. What are some popular Ruby web frameworks?
  6. What is the difference between a symbol and a string in Ruby?
  7. What is a block in Ruby?
  8. What is a lambda in Ruby?
  9. How do you declare a class in Ruby?
  10. What is a module in Ruby?
  11. How do you include a module in Ruby?
  12. What is the difference between include and extend in Ruby?
  13. What is a gem in Ruby?
  14. How do you install a gem in Ruby?
  15. How do you create a new Rails application?
  16. What are the default directories and files in a Rails application?
  17. What is a migration in Rails?
  18. What is the purpose of the Rails asset pipeline?
  19. What is ActiveRecord in Rails?
  20. What is a callback in Rails?
  21. What is the purpose of the Rails router?
  22. What is a controller in Rails?
  23. What is a view in Rails?
  24. What is a partial in Rails?
  25. What is a helper in Rails?
  26. What is a layout in Rails?
  27. What is the purpose of the Rails console?
  28. What is the purpose of the Rails log?
  29. What is a session in Rails?
  30. What is CSRF protection in Rails?
  31. What is RESTful routing in Rails?
  32. What is a scaffold in Rails?
  33. What is a migration file in Rails?
  34. What is the purpose of the Rails database.yml file?
  35. How do you deploy a Rails application to a production server?
  36. What is the purpose of the Rake tool in Ruby on Rails?
  37. What is the purpose of the Bundler gem in Ruby on Rails?
  38. What is the difference between unit testing and integration testing in Rails?
  39. What is Test-Driven Development (TDD)?
  40. What is Behavior-Driven Development (BDD)?
  41. How do you write a RSpec test in Rails?
  42. What is the purpose of Capybara in Rails testing?
  43. What is the purpose of FactoryGirl in Rails testing?
  44. What is the purpose of SimpleCov in Rails testing?
  45. How do you optimize a Rails application for performance?
  46. What is the purpose of caching in Rails?
  47. What is the purpose of background processing in Rails?
  48. How do you use Active Job in Rails?
  49. What is the purpose of Action Cable in Rails?
  50. What is the purpose of Action Mailer in Rails?

Comments

Leave a Reply