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| question,option1,option2,option3,option4,answer,difficulty | |
| What is Ruby on Rails?,A web application framework,A database management system,A programming language,A web server,A web application framework,low | |
| Which command is used to start a new Rails project?,rails new,rails generate,rails start,rails setup,rails new,low | |
| What is the purpose of the `Gemfile` in a Rails project?,To list project dependencies,To store database configurations,To manage migrations,To define routes,To list project dependencies,medium | |
| What is Active Record in Rails?,A module for managing CSS files,An ORM for database interactions,A JavaScript framework,A library for API creation,An ORM for database interactions,medium | |
| How do you create a migration in Rails?,rails generate migration,rails create migration,rails new migration,rails db migration,rails generate migration,medium | |
| Which directory in a Rails project contains controller files?,app/controllers,app/models,app/views,config/,app/controllers,low | |
| What is the primary use of `routes.rb` in a Rails application?,To define the application's routes,To manage database migrations,To configure environment settings,To define helper methods,To define the application's routes,low | |
| Which of the following is NOT a Rails environment?,production,testing,development,staging,testing,medium | |
| What does the `rake db:migrate` command do?,Runs pending migrations,Deletes old migrations,Seeds the database,Clears the database cache,Runs pending migrations,medium | |
| How do you roll back the last migration in Rails?,rake db:rollback,rake db:reverse,rake db:down,rake db:undo,rake db:rollback,medium | |
| What does the `before_action` callback do in Rails?,Executes code before a controller action,Executes code after a controller action,Executes code during a migration,Executes code during deployment,Executes code before a controller action,medium | |
| Which of the following is used to render a view in Rails?,render,display,show,view,render,low | |
| How do you define a one-to-many association in a Rails model?,has_many,has_one,belongs_to,has_and_belongs_to_many,has_many,medium | |
| What does the `flash` object in Rails do?,Stores temporary messages,Handles session data,Manages cookies,Configures routing,Stores temporary messages,medium | |
| Which command is used to start the Rails server?,rails server,rails start,rails run,rails execute,rails server,low | |
| What is the default database for Rails?,SQLite,PostgreSQL,MySQL,Oracle,SQLite,low | |
| How do you create a new controller in Rails?,rails generate controller,rails new controller,rails create controller,rails add controller,rails generate controller,medium | |
| What is the purpose of the `schema.rb` file in Rails?,Describes the database schema,Stores routing information,Configures application settings,Manages testing files,Describes the database schema,medium | |
| Which helper method is used to generate a link in Rails views?,link_to,url_for,path_to,link_for,link_to,low | |
| How do you add a new column to a table in Rails?,rails generate migration AddColumnName,rails db:add_column,rails table:add_column,rails migration add_column,rails generate migration AddColumnName,high |