Question 1

Which of the following is a Linux based operating system for use on mobile devices?

Accepted Answer

Android is a Linux-based operating system designed specifically for mobile devices.

Question 2

Which of the following Linux distributions use the dpkg package management system?

Accepted Answer

Debian and Ubuntu use the dpkg package management system.

Question 3

Which of the following programs is not a graphical web browser?

Accepted Answer

Links is primarily a text-based web browser, unlike the other options which are graphical web browsers.

Question 4

While deleting all files beginning with the letter a there was still the file Access.txt left. Assuming that it had the correct ownership, why was it not deleted?

Accepted Answer

Linux file names are case sensitive, so "Access.txt" would not be deleted if the command was targeting files starting with lowercase 'a'.

Question 5

Which option will cause the echo command NOT to output a trailing newline?

Accepted Answer

The '-n' option in the echo command suppresses the trailing newline.

Question 6

Which one of the following is true about Open Source software?

Accepted Answer

Open Source software licenses allow for commercial use, meaning it can be used, modified, and distributed for commercial purposes.

Question 7

Which of the following commands can be used to create a file?

Accepted Answer

E  The "touch" command is commonly used in Unix/Linux systems to create an empty file. The "mkfile" command is used in some Unix systems to create a file of a specified size.

Question 8

Which of the following can be used to access the command line?

Accepted Answer

Terminal is a command-line interface that allows users to interact with the operating system using text commands.

Question 9

Which one of the following statements concerning Linux passwords is true?

Accepted Answer

Passwords in Linux are stored in an encrypted form, typically using hashing algorithms, to ensure security.

Question 10

What is the first character for file or directory names if they should not be displayed by commands such as ls unless specifically requested?

Accepted Answer

In Unix-like operating systems, files or directories that start with a dot (.) are considered hidden and are not displayed by default with commands like 'ls' unless the '-a' option is used.

Question 11

Which of the following response are true for cloud computing?

Accepted Answer

Cloud computing provides tools for managing IT resources and often involves outsourcing or centralizing IT operations. It is not inherently opposed to green IT, nor does it require sharing all information with everyone.

Question 12

Which commands provide help for a specific Linux command?

Accepted Answer

The "info" and "man" commands are used in Linux to provide documentation and help for specific commands. "info" provides a more detailed and structured documentation, while "man" provides manual pages.

Question 13

Which of the following commands will display a list of all files in the current directory, including those that may be hidden?

Accepted Answer

The command `ls -a` lists all files in the current directory, including hidden files (those starting with a dot).

Question 14

Which of the following commands moves the directory ~/summer-vacation and its content to ~/vacation/2011?

Accepted Answer

The `mv` command in Unix/Linux is used to move files or directories. The correct syntax to move a directory and its contents is `mv source destination`. Option D correctly uses this syntax to move `~/summer-vacation` to `~/vacation/2011`.

Question 15

Which of the following software packages is an e-mail server?

Accepted Answer

Postfix is an open-source mail transfer agent (MTA) that routes and delivers electronic mail.

Question 16

What is the preferred source for the installation of new applications?

Accepted Answer

The distribution's package repository is the preferred source for installing new applications as it ensures compatibility, security, and ease of updates within the operating system's ecosystem.

Question 17

Which of the following commands increases the number of elements in a directory?

Accepted Answer

The answer of Which of the following commands increases the...

Question 18

What does LAMP mean?

Accepted Answer

LAMP stands for Linux, Apache, MySQL, and PHP/Perl/Python, which is a popular stack of open-source software used to create web servers and applications.

Question 19

Which Linux distribution is used as a basis for the creation of Ubuntu Linux?

Accepted Answer

Ubuntu Linux is based on Debian Linux, which serves as its upstream source.

Question 20

Which one of the following statements concerning the General Public License (GPL) is true?

Accepted Answer

The GPL is designed to ensure that the source code of a software remains freely available, allowing users to modify and redistribute it under the same license.

Exam 1: Entry Level Linux Essentials Certificate of Achievement