Question 1

Which of the following characters can be used as a shortcut for representing resources stored within the current working directory?

Accepted Answer

A)  _ 
B)  - 
C)  . 
D)  @ 
A)  _ 
B)  - 
C)  . 
D)  @

Question 2

Ruby allows you to rename a file using the File class's rename method.

Accepted Answer

A) True 
 B)False

Question 3

Which of the following Dir class methods can be used to create a new folder?

Accepted Answer

A)  mkdir 
B)  createdir 
C)  mk 
D)  create 
A)  mkdir 
B)  createdir 
C)  mk 
D)  create

Question 4

To determine if a file or folder exists, use the File class's exist? method.

Accepted Answer

A) True 
 B)False

Question 5

What type of variable is the RUBY_PLATFORM special variable?

Accepted Answer

A)  integer 
B)  float 
C)  bignum 
D)  string 
A)  integer 
B)  float 
C)  bignum 
D)  string

Question 6

A special variable is a specially named variable that once you have defined it, is automatically updated by Ruby during program execution.

Accepted Answer

A) True 
 B)False

Question 7

To determine if a file or folder exists, use the File class's ____ method.

Accepted Answer

A)  file? 
B)  value 
C)  exist? 
D)  found? 
A)  file? 
B)  value 
C)  exist? 
D)  found?

Question 8

By default, a computer receives standard input ( STDIN ) from the keyboard

Accepted Answer

A) True 
 B)False

Question 9

The movement of data from one place to another is referred to as data input and data output.

Accepted Answer

A) True 
 B)False

Which of the following characters can be used as a shortcut for representing resources stored within the current working directory?

Ruby allows you to rename a file using the File class's rename method.

Which of the following Dir class methods can be used to create a new folder?

To determine if a file or folder exists, use the File class's exist? method.

What type of variable is the RUBY_PLATFORM special variable?

A special variable is a specially named variable that once you have defined it, is automatically updated by Ruby during program execution.

To determine if a file or folder exists, use the File class's ____ method.

By default, a computer receives standard input ( STDIN ) from the keyboard

The movement of data from one place to another is referred to as data input and data output.

Ruby Basics

Interacting With Ruby

Working With Strings, Objects, and Variables

Implementing Conditional Logic

Working With Loops

Working With Collections of Data

Working With Regular Expressions

Object-Oriented Programming

Debugging

Ruby on Rails Web Development

Filters

Exam 9: File and Folder Administration

Which of the following characters can be used as a shortcut for representing resources stored within the current working directory?

Ruby allows you to rename a file using the File class's rename method.

Which of the following Dir class methods can be used to create a new folder?

To determine if a file or folder exists, use the File class's exist? method.

What type of variable is the RUBY_PLATFORM special variable?

A special variable is a specially named variable that once you have defined it, is automatically updated by Ruby during program execution.

To determine if a file or folder exists, use the File class's ____ method.

By default, a computer receives standard input ( STDIN ) from the keyboard

The movement of data from one place to another is referred to as data input and data output.

Ruby Basics

Interacting With Ruby

Working With Strings, Objects, and Variables

Implementing Conditional Logic

Working With Loops

Working With Collections of Data

Working With Regular Expressions

Object-Oriented Programming

Debugging

Ruby on Rails Web Development

Filters