Ruby on Rails Test 1

Question 1

The representation of a resource is referred to as...

Accepted Answer

Web page

Answer

Action pack

Answer

Ruby make

Answer

Camel case

Question 2

What is the distinction between model and controller names?

Accepted Answer

model names are singular, controller (and table) names are plural

Answer

the data being presented by the web page

Answer

the method within the controller to call

Answer

none of the above

Question 3

What design pattern is frequently used in rail models?

Accepted Answer

ActiveRecords

Answer

Layout

Answer

Route

Answer

Controller

Question 4

Which of these is not a Rails feature?

Accepted Answer

Models

Answer

Convention over Configuration

Answer

Active Record

Answer

Scaffolding

Question 5

What is the file naming convention?

Accepted Answer

Underscores

Answer

Validate

Answer

Web page

Answer

ActiveRecords

Question 6

What exactly is the scaffold command?

Accepted Answer

rails generate scaffold User name:string email:string

Answer

Ruby Version Manager. Install and manage multiple versions of Ruby.

Answer

self-contained bundles of gems. Useful for versioning

Answer

self-contained packages of Ruby code

Question 7

How does rake determine which migrations have been completed and which have not?

Accepted Answer

rails records the latest timestamp of all the migrations it runs (and runs only the latest ones)

Answer

because they make the partial less dependent on other code

Answer

rails generate migration Add Phone Tickets phone:string

Answer

it can do more complex things like modifying the database structure and running tests

Question 8

Is it true that when you put something into an array, the array keeps a duplicate of it?

Accepted Answer

no. arrays just keep references to objects stored in memory

Answer

the data being presented by the web page

Answer

the request parameters table

Answer

it is not associated with a model

Question 9

What is the name of the online application that merges data and services from various sources on the internet?

Accepted Answer

mashup

Answer

a fixture

Answer

an action

Answer

form_for