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Ruby On Rails Interview Questions and Answers

  Difficulty Level: AllBeginnerIntermediateExperienced/Expert

Ques 1. Explain a polymorphic association in Ruby on Rails.

Ques 2. Explain what functional testing is in Ruby on Rails.

Ques 3. What is the purpose of YIELD in Ruby on Rails?

Ques 4. How can you dynamically define a method body in Ruby on Rails?

Ques 5. What is Range?

Ques 6. How can you implement method overloading in Ruby on Rails?

Ques 7. How can you achieve the same as Multiple Inheritance using Ruby? What is Mixin?

Ques 8. How will you implement Single Pattern in Ruby on Rails?

Ques 9. How will you implement Observer Pattern in Ruby on Rails?

Ques 10. What is the purpose of Environment.RB and Application.RB in Ruby on Rails?

Ques 11. How can you fire a method when a module is inside a class?

Ques 12. How can you call the base class method from inside of its overridden method?

Ques 13. What is Scope in Ruby on Rails?

Ques 14. CAN YOU GIVE AN EXAMPLE OF A CLASS THAT SHOULD BE INSIDE THE LIB FOLDER?

Ques 15. WHERE SHOULD YOU PUT CODE THAT IS SUPPOSED TO RUN WHEN YOUR APPLICATION LAUNCHES in Ruby on Rails?

Ques 16. What deployment tools do you use for Ruby on Rails?

Ques 17. What deployment tools do you use for Ruby on Rails?

Ques 18. How can you migrate your database schema one level down?

Ques 19. What is Sweeper in Ruby on Rails?

Ques 20. How can you implement Caching in Ruby on Rails?

Ques 21. What is Filter and when is it called in Ruby on Rails?

Ques 22. What do Controllers task in Ruby on Rails?

Ques 23. What is RESTFUL routing in Ruby on Rails?

Ques 24. How can you routes all routs of an application?

Ques 25. How can you send a MULTI-PART Email?

Ques 26. What is the purpose of Layouts in Ruby on Rails?

Ques 27. IS IT POSSIBLE TO EMBED PARTIAL VIEWS INSIDE LAYOUTS? HOW?

Ques 28. What is Rake in Ruby on Rails?

Ques 29. What is Capistrano?

Ques 30. What is Eager Loading in Ruby on Rails?

Ques 31. How does Validation works in Ruby on Rails?

Ques 32. How can you add custom validation on your model in Ruby on Rails?

Ques 33. What is Flash in Ruby on Rails?

Ques 34. HOW CAN YOU INSTALL THE MISSING GEMS THAT ARE REQUIRED BY YOUR APPLICATION IN THE SIMPLEST WAY in Ruby on Rails?

Ques 35. How can you implement internationalization in Ruby on Rails?

Ques 36. WHAT PLUGIN WOULD YOU RECOMMEND FOR USER AUTHENTICATION AND AUTHORIZATION?

Ques 37. WHAT PLUGIN DO YOU USE FOR FULL-TEXT SEARCH in Ruby on Rails?

Ques 38. WHAT IS THE DIFFERENCE BETWEEN A PLUGIN AND A GEM in Ruby on Rails?

Ques 39. HOW CAN YOU IMPLEMENT A SEARCH FEATURE THAT SEARCHES FOR MULTIPLE MODELS in Ruby on Rails?

Ques 40. HOW CAN YOU UPLOAD A FILE TO A SERVER in Ruby on Rails?

Ques 41. HOW CAN YOU GENERATE SITEMAPS FOR YOUR RAILS SITE?

Ques 42. HOW CAN YOU SHOW SEARCH USER FRIENDLY URLS INSTEAD OF USING ONLY NUMERIC IDS in Ruby on Rails?

Ques 43. HOW CAN YOU CREATE PAGE TITLES AND METADATA FOR YOUR PAGES in Ruby on Rails?

Ques 44. HOW CAN YOU CREATE BREADCRUMBS ON YOUR PAGES in Ruby on Rails?

Ques 45. Is Rails Scalable?

Ques 46. What are the key deployment challenges in Ruby on Rails?

Ques 47. HOW CAN YOU SAFEGUARD A RAILS APPLICATION FROM SQL INJECTION ATTACK?

Ques 48. How can you secure a Rails Application?

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