Test Your Technical Skills Here

1. The rm command can delete multiple files at once.

True

False

2. Participating in open source projects can improve your technical skills, even if it is not your day job.

True

False

3. Social network "like" buttons can track your activity across the Internet.

True

False

4. The acronym CLI stands for:

Computer Link Interpreter

Command Line Interpreter

Computer Line Interface

Command Line Interface

5. To go to the end of an info page, press:

END

N

]

6. When interpreting the SYNOPSIS of a command found on a man page, the "|" means:

The items it separates can be used together

The items it separates cannot be used together

7. To move a page forward one at a time while viewing a man page, press the following:

Spacebar

M

A

Enter

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

Name

Rn

Mv

Cp

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

Tells tar to copy only files, and not directories

Tells tar to read from the file that follows the flag

Tells tar to print the name of each file as it is processed

Specifies extra compression is to be used

Tells tar to write to the file that follows the flag

10. Which command can be used to print line numbers?

Num

Ln

Nl

Sort

11. The command echo "text" > file.txt will create file.txt if it does not already exist.

True

False

12. The command echo "text" > file.txt will not overwrite file.txt if it already exists.

True

False

13. The command echo "text" >> file.txt will not overwrite file.txt if it already exists.

True

False

14. Your company makes a hardware firewall that runs a custom Linux kernel. What are your obligations under GPLv2?

There are no requirements

You must make the source to your custom web interface available

You must make your hardware designs available

You must make the source to your kernel available

You must ensure your custom kernel runs on a regular Intel machine

15. Which of the following is a tool that helps you anonymize your Internet browsing?

CookieCleaner

Web proxy

The onion router

AnonFirefox

Iptables

16. Traditional UNIX command options used a single dash, like -a; _______ command options use two dashes like –all.

LINUX

Kernel

GNU

Shell

17. The acronym GNU stands for:

Gnu’s Not Unix

Go Next Unit

Gnu’s Nearly Unix

Good News Unix

18. What one character treats the character that follows it as if it was surrounded by single quotes?

/

%

Option 3

#

19. The main purpose of using glob characters is to be able to provide a command a list of filenames.

True

False

20. To go to the next match of a search on a man page, press:

]

(n)

N

}

21. After performing a search, you can use the ____ key to return to a previously found match:

(n)

N

D

U

22. The ls command without options or arguments…

…lists the contents of the current directory.

…prompts for a directory to list.

…lists the contents of a user’s home directory.

…generates an error as this command requires arguments.

23. Which option can be used with the rm command to prompt before deleting?

I

-P

A

I

-i

24. You try to compress a file that is already compressed. Which of the following statements is true?

The file will not be compressed any further than it already was

The file changed while you were compressing it

The file will actually be uncompressed

The compression algorithm needs to be set to the “currently compressed” mode for it to be compressed further

The file will be deleted

25. Which option for the wc command will print the total number of words in a file?

-l

-L

-w

-c

26. Software is backward compatible if:

It still supports old file formats or applications

If the next version still works the same way

People still use old versions

It works across Linux/Mac/Windows

It can be upgraded without downtime

27. The difference between the GPL and LGPL licenses are:

LGPL allows you to distribute the software in binary-only form

LGPL is shorter than GPL

LGPL allows linking to non GPLed software

LGPL applies to web service

LGPL was made by the OSI while GPL was made by the FSF

28. The Creative Commons version of Public Domain licensing is:

Attribution-NonCommercial-ShareAlike

Attribution-NonCommercial

NoAttribution-ShareAlike

No Rights Reserved

Attribution

29. What are tradeoffs of increasing the level of privacy you have in your web browser?(choose two)

You may get viruses

Sites may not work properly

Websites may load slower

Images won’t load properly

You may have to explicitly permit some cookies to be saved

Submit

30. Which of the following are properties of a strong password?(choose three)

A mix of upper and lower case

Long so that it can be reused on multiple sites

Includes symbols

At least 10 characters long

Based on easy to remember items like birthdays

Submit

31. What can be done to prevent remote people from running programs on your computer?(choose two)

Don’t use wireless networks – only wired

Use strong passwords on all user accounts

Turn on a firewall

Block third party cookies

Block all cookies

Submit

32. The touch command can be used to:(choose two)

Update the time stamp of existing files

Create new files

Change a file’s name

Change ownership of a file

Submit

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

Bunzip2

Zip

Bzip2

Cat

Gzip

Submit

34. The three main modes of tar are:(choose three)

Extract

Copy

Compress

List

Create

Submit

35. Which two commands do the same thing?(choose two)

Tar –xzf foo.tar.gz

Tar –x foo | gzip

Tar –c foo | gzip > foo.tar.gz

Tar –tzf foo.tar.gz

Tar –czf foo.tar.gz foo

Submit

36. Apple's OS X is:(choose three)

Derived from Linux

Only compatible with Apple hardware

Able to natively run Windows binaries

Derived from FreeBSD

Certified as UNIX compatible

Primarily used to manage network services

Submit

37. Microsoft Windows:(choose three)

Has a short maintenance cycle

Comes in desktop and server variants

Has built in virtualization

Has a new desktop version every year.

Has a Linux compatibility mode

Has powerful scripting capabilities

Submit

38. Other commercial Unixes:(choose two)

Are almost obsolete

Are tied to their vendor’s hardware

Use completely different commands than Linux

Are UNIX certified

Do not run the GNU tools

Submit

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

Which management tools are provided by the distribution

Which distributions are supported by the software you need to run

Popularity on social media.

The maintenance cycle of the distribution

If you need support on the distribution itself

Whether or not the distribution is under active development

Submit

40. Permissive free software licenses:(choose three)

Can allow software to be used inside closed source software

Are not approved by the OSI

Are not approved by the FSF

Include the GPLv2 and BSD

Don’t have a copyleft provision

Submit