Last Updated on May 20, 2021 by Admin
NDG Linux Essentials 2.0 Chapter 9 Exam Online
NDG -- Linux Essentials 2.0 -- Chapter 9 Exam
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NDG — Linux Essentials 2.0 — Chapter 9 Exam
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Question 1 of 21
1. Question
1 pointsCompression of a file works by:
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Question 2 of 21
2. Question
1 pointsIn general, for which of the following would you want to use lossless compression?
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Question 3 of 21
3. Question
3 pointsLossy compression:
(choose three)Correct
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Question 4 of 21
4. Question
2 pointsYou typegzip myfile.tar. What happens?(choose two)
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Question 5 of 21
5. Question
1 pointsHow would you obtain output similar to the following?
compressed uncompressed ratio uncompressed_name 278168 1016950 72.6% tags
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Question 6 of 21
6. Question
1 pointsWhich command would you use to archive theDocumentsdirectory and compress it withbzip2compression?Correct
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Question 7 of 21
7. Question
1 pointsWhich flag would you pass totarin order to have it make a new archive?Correct
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Question 8 of 21
8. Question
1 pointsWhich command will show what is inside the compressed tarball with a name offoo.tar.gz?Correct
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Question 9 of 21
9. Question
1 pointsIn the commandtar -cvjf foo.tbz a b c, what area,b, andc?Correct
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Question 10 of 21
10. Question
2 pointsGiven the commandtar –cvjf homedirs.tbz /home, which of the following are true?(choose two)
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Question 11 of 21
11. Question
1 pointsYou archived your users’ directories into a file called
backup.tar.gz. You then view the archive and see the filenames follow this convention:home/username/somefileHow will you extract just the files for the user called fred?
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Question 12 of 21
12. Question
1 pointsWhich of the following commands will create a zipfile with the contents of yourDocumentsdirectory?Correct
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Question 13 of 21
13. Question
1 pointsGiven a file calleddocuments.zip, how can you see what’s in it without extracting the files?Correct
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Question 14 of 21
14. Question
1 pointsGiven a file calleddocuments.zip, how can you extract just the files under ProjectX?Correct
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Question 15 of 21
15. Question
1 pointsYou try to compress a file that is already compressed. Which of the following statements is true?
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Question 16 of 21
16. Question
3 pointsWhich of the following commands can be used to compress a file?
(choose three)Correct
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Question 17 of 21
17. Question
3 pointsThe three main modes oftarare:(choose three)
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Question 18 of 21
18. Question
1 pointsIn the commandtar -czf foo.tar.gz bar, what is the purpose of thefflag?Correct
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Question 19 of 21
19. Question
2 pointsWhich two commands do the same thing?
(choose two)Correct
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Question 20 of 21
20. Question
2 pointsWhich two programs use the Lempel-Ziv-Markov chain algorithm?
(choose two)Correct
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Question 21 of 21
21. Question
1 pointsBy default, thezipcommand replaces uncompressed files with compressed files.True or False?
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