NDG Linux Essentials 2.0 Midterm Exam (Chapter 1-9) Online

1. Question

1 points

The most popular Linux platform for mobile phones is:

Android
Slackware
BlackBerry
IOS
MobileLinux

2. Question

1 points

The release cycle:

Only has meaning for paid software
Describes how long software will be supported
Should be long so that you have time before you need to upgrade
Should be short so you always have the freshest releases
Dictates how often software is updated

3. Question

1 points

What does a distribution provide to add and remove software from the system?

Package Manager
Application Programming Interface (API)
Partitioning tool
Compiler
Bash

4. Question

1 points

A maintenance cycle:

Describes how often updates for software come out
Should be short so you always have the freshest releases
Describes how long a version of software will be supported
Only has meaning for paid software
Should be long so that you have time before you need to upgrade

5. Question

5 points

When choosing a distribution of Linux, you should consider:
(choose five)

Popularity on social media
Does the distribution offer a “stable” version
Does your organization require long-term support for the system
If the application software is supported by the distribution
Will users require a GUI
Will commercial support be required for the OS

6. Question

2 points

Which of the following are examples of desktop software?
(choose two)

File share
Compiler
Music player
Web server
Web browser

7. Question

2 points

Which of the following pieces of software deal with file sharing?
(choose three)

Netatalk
Samba
X-Windows
NFS
PostgreSQL

8. Question

3 points

The Linux shell:
(choose three)

Is responsible for tracking the location of configuration files
Has a scripting language
Has a built-in text editor
Is customizable
Allows you to launch programs

9. Question

1 points

Virtualization means:

Many users can share one hard drive
A user can connect to a server over the network and use a virtual console
A machine can swap memory to disk
A single host can be split up into multiple guests
Two users get different memory spaces on the same machine

10. Question

2 points

In graphical mode, you can get to a shell by running which applications?
(choose two)

Gbash
Guiterm
Terminal
Xterm
console

11. Question

1 points

Source code refers to:

A human-readable version of computer software
The interface that software uses to talk to the kernel
The version of a program that the computer runs on the CPU
The license that dictates how you may use and share the software

12. Question

1 points

Open source means:
(choose two)

You can modify the software's source code
You must share your changes
You must support the software you share
You cannot charge anything for the software
You can view the software's source code

13. Question

1 points

A copyleft provision in a software license means:

You give up your copyright to the software
You may not link against third party closed source software
You must provide support for your modifications
You must provide free copies of the software if you use it
If you redistribute the software, you must distribute the source to any changes you make

14. Question

1 points

Linux is distributed under which license?

MIT
GPLv2
GPLv3
Linux Foundation
BSD

15. Question

3 points

Creative Commons licenses allow you to:
(choose three)

Receive royalties on the use of the work
Allow or disallow commercial use
Specify whether or not people may distribute changes
Get a veto on where the work is used
Specify whether or not changes must be shared

16. Question

1 points

Which environment variable contains a list of directories that is searched for commands to execute?

PS2
PATH
EXEC
PS1

17. Question

1 points

Select the command that can report the location of a command:

what
where
which

18. Question

1 points

A pair of double quotes (" ) will prevent the shell from interpreting any metacharacter.

True or False?

True
False

19. Question

1 points

The shell program interprets the commands you type into the terminal into instructions that the Linux operating system can execute.
True or False?

True
False

20. Question

1 points

The acronym CLI stands for:

Command Line Interface
Computer Link Interpreter
Command Line Interpreter
Computer Line Interface

21. Question

1 points

The most common shell used for Linux distributions is the ________ shell.

Zsh
Fish
Tsch
Bash

22. Question

2 points

Which two pager commands are used by the man command to control movement within the document?
(choose two)

more
page
grep
less

23. Question

2 points

To search the man page sections for the keyword example, which of the following command lines could you execute?
(choose two)

man -k example
apropos example
man -f example
whatis example

24. Question

1 points

The statement that describes the difference between a man page and an info page is:

The man page is a long detailed reference; the info page is very terse.
There is very little difference between them.
The man page is like a guide; the info page is a more concise reference.
The info page is like a guide; a man page is a more concise reference.

25. Question

3 points

The following sections commonly appear on a man page:
(choose three)

SYNOPSIS
NAME
LICENSE
DESCRIPTION

26. Question

1 points

The top-level directory on a Linux system is represented as:

/
/home
C:
/root

27. Question

1 points

The tilde (~) is used to represent:

Nothing; it has no special meaning
Any two single characters
The directory above the current working directory
A user's home directory

28. Question

1 points

The cd command by itself will take you to what directory?

The directory above the current working directory
None; it is not a valid command
Your home directory
The system root directory

29. Question

1 points

What command will allow you to change your current working directory?

ls
list
chdir
cd

30. Question

1 points

The first character in a long listing (ls -l) indicates:

If something is a file, directory, or symbolic link
The size
The permissions
The owner

31. Question

1 points

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

rm
cp
name
mv

32. Question

2 points

The touch command can be used to:

(choose two)

Change ownership of a file
Create new files
Change a file's name
Update the timestamp of existing files

33. Question

2 points

Which of the following are glob characters?
(choose three)

The question mark "?"
The dash character "-"
The square brackets "[" and "]"
The asterisk "*"

34. Question

1 points

The main purpose of using glob characters is to be able to provide a list of filenames to a command.
True or False?

True
False

35. Question

1 points

The asterisk character is used to represent zero or more of any character in a filename.
True or False?

True
False

36. Question

1 points

Compression of a file works by:

Removing the high order bit from each byte
Eliminating gaps within the file
Storing most of the data on removable media and just leaving a pointer
Removing redundant information
Consolidating multiple files into one

37. Question

3 points

Lossy compression:
(choose three)

Usually results better compression than lossless
Is often used with images
Sacrifices some quality
Is often used with documents
Decompresses to an identical version as the original

38. Question

3 points

Which of the following commands can be used to compress a file?
(choose three)

zip
bzip2
gzip
bunzip2
cat

39. Question

3 points

The three main modes of tar are:

(choose three)

Copy
List
Compress
Extract
Create

40. Question

1 points

In the command tar -czf foo.tar.gz bar, what is the purpose of the f flag?

Tells tar to write to the file that follows the flag
Tells tar to print the name of each file as it is processed
Tells tar to read from the file that follows the flag
Specifies extra compression is to be used
Tells tar to copy only files, and not directories

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