Ruby On Rails Interview Questions

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Cripstwick
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Quizzes Created: 636 | Total Attempts: 835,032
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  • 1/10 Questions

    What is rails object-relational mapping library?

    • Active record
    • Camelcase
    • Web page
    • Underscores
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About This Quiz

Ruby on Rails is a server-side model-view-controller web application framework written in Ruby. This quiz consists of questions usually asked when a company or client wants to hire a Ruby on Rails developer.

Ruby On Rails Interview Questions - Quiz

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  • 2. 
    What is naming convention for file names? - ProProfs

    What is naming convention for file names?

    • ActiveRecords

    • Underscores

    • Web page

    • Validate

    Correct Answer
    A. Underscores
    Explanation
    The naming convention for file names is to use underscores. This convention suggests that when naming files, instead of using spaces or other special characters, underscores should be used to separate words in the file name. This convention helps to improve readability and ensures consistency in file naming across different systems and platforms.

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  • 3. 
    Which of these is not a various components of rail? - ProProfs

    Which of these is not a various components of rail?

    • Action pack

    • Action model

    • Action mailer

    • Action development

    Correct Answer
    A. Action development
    Explanation
    The given options are related to the term "Action" which suggests that they are components or features of a software framework called "Rails" (also known as Ruby on Rails). However, "Action development" is not a recognized component or feature of Rails.

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  • 4. 
    Which of these is not a naming convention in Rails? - ProProfs

    Which of these is not a naming convention in Rails?

    • Variables

    • Class and module

    • Database table

    • Three environments

    Correct Answer
    A. Three environments
    Explanation
    Rails has a convention over configuration approach, which means that it follows certain naming conventions to simplify development. In Rails, variables, class and module names, and database tables all have specific naming conventions that are widely used and understood. However, "three environments" is not a naming convention in Rails. Rails typically uses three environments (development, test, and production) to differentiate between different stages of the application, but this is not a naming convention in the same sense as the others mentioned.

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  • 5. 
    Rail models are typically based on what design pattern?  - ProProfs

    Rail models are typically based on what design pattern? 

    • Route

    • Controller

    • ActiveRecords

    • Layout

    Correct Answer
    A. ActiveRecords
    Explanation
    Rail models are typically based on the ActiveRecords design pattern. ActiveRecords is an architectural pattern that allows developers to interact with the database using object-oriented programming techniques. In Rails, each model class represents a table in the database, and instances of the model class represent rows in that table. ActiveRecords provides an easy and intuitive way to perform CRUD operations (Create, Read, Update, Delete) on the database, as well as define relationships between different models. This design pattern simplifies the process of working with databases in Rails applications.

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  • 6. 
    One of these is not an advantage of using Ruby on Rails?  - ProProfs

    One of these is not an advantage of using Ruby on Rails? 

    • DRY Principal (Don’t Repeat Yourself)

    • Convention over Configuration

    • Active Support

    • Scaffolding

    Correct Answer
    A. Active Support
  • 7. 
    Representation of a resource is called...  - ProProfs

    Representation of a resource is called... 

    • Ruby make

    • Camel case

    • Web page

    • Action pack

    Correct Answer
    A. Web page
    Explanation
    The correct answer is "Web page" because a web page is a representation of a resource on the internet. It is a document that can be accessed through a web browser and contains information such as text, images, and links. In the context of the given options, "Ruby make", "Camel case", and "Action pack" do not accurately describe the representation of a resource, whereas "Web page" aligns with the concept.

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  • 8. 
    Rails application framework is called...  - ProProfs

    Rails application framework is called... 

    • ActiveRecord

    • ActivePack

    • ActionPack

    • Web page

    Correct Answer
    A. ActionPack
    Explanation
    The correct answer is ActionPack. ActionPack is the Rails component responsible for handling and responding to web requests. It includes the Action Controller and Action View modules, which handle the controller and view components of a Rails application, respectively. ActiveRecord is the Rails component responsible for handling the model layer, ActivePack is not a valid Rails component, and "Web page" is not the correct term for the Rails application framework.

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  • 9. 
    How many types of relationships does a model have?  - ProProfs

    How many types of relationships does a model have? 

    • 2

    • 3

    • 4

    • 5

    Correct Answer
    A. 4
    Explanation
    A model can have four types of relationships. These relationships are one-to-one, one-to-many, many-to-one, and many-to-many. In a one-to-one relationship, each record in one table is related to only one record in another table. In a one-to-many relationship, each record in one table can be related to multiple records in another table. In a many-to-one relationship, multiple records in one table can be related to a single record in another table. In a many-to-many relationship, multiple records in one table can be related to multiple records in another table.

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  • 10. 
    Which of these is not a feature of Rails? - ProProfs

    Which of these is not a feature of Rails?

    • Active Record

    • Scaffolding

    • Convention over Configuration

    • Models

    Correct Answer
    A. Models
    Explanation
    Models is not a feature of Rails. In the Rails framework, Models are an integral part of the MVC (Model-View-Controller) architecture, which is a key feature of Rails. Models are responsible for handling the business logic and data manipulation in the application. They interact with the database through Active Record, which is another feature of Rails. Scaffolding and Convention over Configuration are also features of Rails, which help in generating code and reducing the need for manual configuration.

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  • Current Version
  • Jun 17, 2024
    Quiz Edited by
    ProProfs Editorial Team
  • Dec 13, 2017
    Quiz Created by
    Cripstwick
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