Sign in to unlock

Get unlimited access to all questions and answers

checked

Get lifetime access

checked

Track progress

checked

Save time

The fastest way to prepare
for a tech interview

Check our curated list of full-stack, data structures & software architecture interview questions and answers for developers

Ruby on Rails interview questions

Ruby on Rails interview questions.

Only challenges
Topic progress: 0%
  • 1.

    What Is ORM In Rails?

    premium question
    completed

    Answer:

  • 2.

    Explain what is rake in Rails?

    premium question
    completed

    Answer:

  • 3.

    Explain what is Ruby on Rails?

    premium question
    completed

    Answer:

  • 4.

    Mention what is Rails Migration?

    premium question
    completed

    Answer:

  • 5.

    Explain what is ORM (Object-Relationship-Model) in Rails?

    premium question
    completed

    Answer:

  • 6.

    Explain what is the role of sub-directory app/controllers and app/helpers?

    premium question
    completed

    Answer:

  • 7.

    Explain what is Rails Active Record in Ruby on Rails?

    premium question
    completed

    Answer:

  • 8.

    Mention what are the limits of Ruby on Rails?

    premium question
    completed

    Answer:

  • 9.

    Mention what is the role of Rails Controller?

    premium question
    completed

    Answer:

  • 10.

    What is the use of load and require in Ruby?

    premium question
    completed

    Answer:

  • 11.

    What Do You Mean By Render And Redirect_to?

    premium question
    completed

    Answer:

  • 12.

    What Are Helpers And How To Use Helpers In ROR?

    premium question
    completed

    Answer:

  • 13.

    What Are The Various Components Of Rail?

    premium question
    completed

    Answer:

  • 14.

    How Is Visibility Of Methods Changed In Ruby (encapsulation)?

    premium question
    completed

    Answer:

  • 15.

    What do you mean by the term Scaffolding and what sort of advantages the Ruby can offer when it comes to same?

    premium question
    completed

    Answer:

  • 16.

    What Is MVC? And How It Works?

    premium question
    completed

    Answer:

  • 17.

    Explain how you define Instance Variable, Global Variable and Class Variable in Ruby?

    premium question
    completed

    Answer:

  • 18.

    How Many Types Of Relationships Does A Model Has?

    premium question
    completed

    Answer:

  • 19.

    Mention what are the positive aspects of Rails?

    premium question
    completed

    Answer:

  • 20.

    Mention what is the difference between a gem and a plugin in Ruby?

    premium question
    completed

    Answer:

  • 21.

    How Many Types Of Associations Relationships Does A Model Have?

    premium question
    completed

    Answer:

  • 22.

    Explain what is a class library in Ruby?

    premium question
    completed

    Answer:

  • 23.

    List out what can Rails Migration do?

    premium question
    completed

    Answer:

  • 24.

    What Is The Difference Between Nil And False In Ruby?

    premium question
    completed

    Answer:

  • 25.

    What is the purpose of the resources method in the code snippet below?

    premium question
    completed

    Answer:

  • 26.

    Mention what is the difference in scope for these two variables: @@name and @name?

    premium question
    completed

    Answer:

  • 27.

    What Things We Can Define In The Model?

    premium question
    completed

    Answer:

  • 28.

    How should you use nested layouts?

    premium question
    completed

    Answer:

  • 29.

    What is the purpose of the rakefile available in the demo directory in Ruby?

    premium question
    completed

    Answer:

  • 30.

    Mention what is the function of garbage collection in Ruby on Rails?

    premium question
    completed

    Answer:

  • 31.

    How does Ruby on Rails use the Model View Controller (MVC) framework?

    premium question
    completed

    Answer:

  • 32.

    What is the use of Destructive Method?

    premium question
    completed

    Answer:

  • 33.

    Mention what is the purpose of RJs in Rails?

    premium question
    completed

    Answer:

  • 34.

    What Are Filters?

    premium question
    completed

    Answer:

  • 35.

    Mention what is the difference between the Observers and Callbacks in Ruby on Rails?

    premium question
    completed

    Answer:

  • 36.

    Explain what is Polymorphic Association in Ruby on Rails?

    premium question
    completed

    Answer:

  • 37.

    Explain what is Interpolation in Ruby?

    premium question
    completed

    Answer:

  • 38.

    What exactly are Harnesses and Fixtures in the Ruby?

    premium question
    completed

    Answer:

  • 39.

    What is the difference between &&, || operators and "and, or"?

    premium question
    completed

    Answer:

  • 40.

    Can you explain the difference between ActiveSupport’s “HashWithIndifferentAccess” and Ruby’s “Hash”?

    premium question
    completed

    Answer:

  • 41.

    What is the difference between symbol and string?

    premium question
    completed

    Answer:

  • 42.

    What Is The Difference Between Delete And Destroy?

    premium question
    completed

    Answer:

  • 43.

    What Is A Proc?

    premium question
    completed

    Answer:

  • 44.

    Mention what is the difference between calling super() and super call?

    premium question
    completed

    Answer:

  • 45.

    Practical test: Genres of music

    premium question
    completed

    Answer:

  • 46.

    Explain Ruby on Rails Exception Handling

    premium question
    completed

    Answer:

  • 47.

    What is the difference between string and text in Rails?

    premium question
    completed

    Answer:

  • 48.

    What is the Difference Between Gem And Plugin?

    premium question
    completed

    Answer:

  • 49.

    What is ActiveJob? When should we use it?

    premium question
    completed

    Answer:

  • 50.

    What Is The Difference Between "Save" And "Save!"?

    premium question
    completed

    Answer:

  • 51.

    Is Rails Scalable?

    premium question
    completed

    Answer:

  • 52.

    What are Strong Parameters?

    premium question
    completed

    Answer:

  • 53.

    What Do You Mean By Naming Convention In Rails?

    premium question
    completed

    Answer:

  • 54.

    Does Ruby Support Single Inheritance/multiple Inheritance Or Both?

    premium question
    completed

    Answer:

  • 55.

    What is Rack?

    premium question
    completed

    Answer:

  • 56.

    What Is The Flash?

    premium question
    completed

    Answer:

  • 57.

    How Many Types Of Callbacks Available In Ror?

    premium question
    completed

    Answer:

  • 58.

    Explain the difference between Page, Action, Fragment, Low-Level, SQL caching types.

    premium question
    completed

    Answer:

  • 59.

    What is the difference between content_for and yield?

    premium question
    completed

    Answer:

  • 60.

    How would you choose between Belongs_to And Has_one?

    premium question
    completed

    Answer:

  • 61.

    What Are Filters? And How Many Types Of Filters Are There In Ruby?

    premium question
    completed

    Answer:

  • 62.

    What is Dynamic Finders?

    premium question
    completed

    Answer:

  • 63.

    What sort of problems you have faced with Ruby on Rails and how do you think the same can affect the projects?

    premium question
    completed

    Answer:

  • 64.

    What is the best thing which you find about the Ruby on Rail so far?

    premium question
    completed

    Answer:

  • 65.

    How To Use Two Databases Into A Single Application?

    premium question
    completed

    Answer:

  • 66.

    What is a Rails engine?

    premium question
    completed

    Answer:

  • 67.

    Node.js vs Ruby on Rails. Which would you choose?

    premium question
    completed

    Answer:

  • 68.

    What is Asset Pipeline?

    premium question
    completed

    Answer:

  • 69.

    How To Find Second Max Element From Database?

    premium question
    completed

    Answer:

  • 70.

    How to check if a specific key is present in a hash or not?

    premium question
    completed

    Answer:

  • 71.

    How to rollback a specific migration?

    premium question
    completed

    Answer:

  • 72.

    How Do I Find Only Duplicate Entries In A Database Table?

    premium question
    completed

    Answer:

One tip that got me hired by Google, Microsoft, and Stripe

I've worked for Microsoft, Google, Stripe, and received offers from many other companies. One thing I learned when I was interviewing myself is that standard interview tips are woefully inadequate.

Reverse Tech Interview: Questions to Stump an Interviewer

Few people want to get into an uncomfortable environment or an unprofitable company with no prospects. If you’re wondering how to get a real feel for a company during an interview, you’re welcome. I’ll give a list of questions that interviewers don’t usually expect...

How to become a programmer, move to the US, and get a dream job

Are you curious about what you need to do to earn more than $15.000 a month, drive a Tesla, live in sunny California, and work at Google, Apple, Facebook, or Amazon?

11 Reactive Systems interview questions and answers for software engineers

Reactive systems are an architectural style that allows multiple individual applications to blend into one unit, reacting to their environment, while staying aware of each other. Here is a list of coding interview questions on Reactive Systems to help you get ready for your next data struc...

. Reactive Systems
34 Microservices interview questions and answers for software engineers

Microservice architecture – a variant of the service-oriented architecture structural style – arranges an application as a collection of loosely coupled services. In a microservices architecture, services are fine-grained and the protocols are lightweight. Here is a list of coding intervie...

. Microservices
7 Layering & Middleware interview questions for developers

Middleware in the context of distributed applications is software that provides services beyond those provided by the operating system to enable the various components of a distributed system to communicate and manage data. Middleware supports and simplifies complex distributed application...

. Layering & Middleware
55 Docker interview questions and answers for software engineers

Docker is a set of platform as a service products that use OS-level virtualization to deliver software in packages called containers. Here is a list of coding interview questions on Docker to help you get ready for your next data structures interview in 2021.

. Docker
23 Databases interview questions and answers for software engineers

A database is an organized collection of data, generally stored and accessed electronically from a computer system. Where databases are more complex they are often developed using formal design and modeling techniques. Here is a list of coding interview questions on Databases to help you g...

. Databases
21 Concurrency interview questions and answers for software engineers

In computer science, concurrency is the ability of different parts or units of a program, algorithm, or problem to be executed out-of-order or in partial order, without affecting the final outcome. Here is a list of coding interview questions on Concurrency to help you get ready for your n...

. Concurrency
13 CAP Theorem interview questions and answers for software engineers

In theoretical computer science, the CAP theorem, also named Brewer's theorem after computer scientist Eric Brewer, states that it is impossible for a distributed data store to simultaneously provide more than two out of the following three guarantees: Consistency: Every read receives the ...

. CAP Theorem
Load more posts

Features

folder icon

Access all answers

Get the inside track on what to expect in your next tech interview. We offer you a collection of high quality technical interview questions to help you prepare for your next coding interview.

graph icon

Track progress

A smart interface helps you track your progress and focus on the topics you need. You can search through questions or sort them by difficulty or type.

clock icon

Save time

Save tens of hours searching for information on hundreds of low-quality sites designed to drive traffic and make money from advertising.

Land a six-figure job at one of the top companies.

amazon logo facebook logo google logo microsoft logo uber logo
Prepare for a technical interview

Get hired with our
tech interview questions & answers