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2021 Mar LX0-103 free download

Q11. - (Topic 3) 

Which of the following commands will reduce all consecutive spaces down to a single space? 

A. tr '\s' ' ' < a.txt > b.txt 

B. tr -c ' ' < a.txt > b.txt 

C. tr -d ' ' < a.txt > b.txt 

D. tr -r ' ' '\n' < a.txt > b.txt 

E. tr -s ' ' < a.txt > b.txt 

Answer: E 


Q12. - (Topic 3) 

Which of the following statements is correct regarding the command foo 1> bar? 

A. The stdout from the command foo is appended to the file bar. 

B. The stdout from the command foo overwrites the file bar. 

C. The command foo receives its stdin from the file bar. 

D. The command foo receives its stdin from the stdout of the command bar. 

E. The stderr from the command foo is saved to the file bar. 

Answer: B 


Q13. - (Topic 2) 

Which function key is used to start Safe Mode in Windows NT? 

A. F10 

B. F8 

C. F6 

D. Windows NT does not support Safe Mode 

Answer: D 


Q14. - (Topic 4) 

Which of the following commands changes the number of days before the ext3 filesystem on /dev/sda1 has to run through a full filesystem check while booting? 

A. tune2fs -d 200 /dev/sda1 

B. tune2fs -c 200 /dev/sda1 

C. tune2fs -i 200 /dev/sda1 

D. tune2fs -n 200 /dev/sda1 

E. tune2fs --days 200 /dev/sda1 

Answer: C 


Q15. - (Topic 2) 

Which of the following commands is used to update the list of available packages when using dpkg based package management? 

A. apt-get update 

B. apt-get upgrade 

C. apt-cache update 

D. apt-get refresh 

E. apt-cache upgrade 

Answer: A 


Leading LX0-103 sample question:

Q16. - (Topic 4) 

In order to display all currently mounted filesystems, which of the following commands could be used? (Choose TWO correct answers.) 

A. cat /proc/self/mounts 

B. free 

C. mount 

D. lsmounts 

E. cat /proc/filesystems 

Answer: A,C 


Q17. - (Topic 4) 

Which utility would be used to change how often a filesystem check is performed on an ext2 filesystem without losing any data stored on that filesystem? 

A. mod2fs 

B. fsck 

C. tune2fs 

D. mke2fs 

E. fixe2fs 

Answer: C 


Q18. - (Topic 3) 

Which of the following shell redirections will write standard output and standard error output to a file named filename? 

A. 2>&1 >filename 

B. >filename 2>&1 

C. 1>&2>filename 

D. >>filename 

E. 1&2>filename 

Answer: B 


Q19. - (Topic 3) 

Which of the following commands displays the contents of a gzip compressed tar archive? 

A. gzip archive.tgz | tar xvf -

B. tar ztf archive.tgz 

C. gzip -d archive.tgz | tar tvf -

D. tar cf archive.tgz 

Answer: B 


Q20. - (Topic 4) 

Creating a hard link to an ordinary file returns an error. What could be the reason for this? 

A. The source file is hidden. 

B. The source file is read-only. 

C. The source file is a shell script. 

D. The source file is already a hard link. 

E. The source and the target are on different filesystems. 

Answer: E