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2017 Mar 101-400 answers

Q1. - (Topic 3) 

Which of the following commands is used to change options and positional parameters for a running Bash? 

A. history 

B. set 

C. bashconf 

D. setsh 

E. envsetup 

Answer:


Q2. - (Topic 1) 

Which of the following information is stored within the BIOS? (Choose TWO correct answers.) 

A. Boot device order 

B. Linux kernel version 

C. Timezone 

D. Hardware configuration 

E. The system's hostname 

Answer: A,D 


Q3. - (Topic 3) 

Which of the following commands prints a list of usernames (first column) and their primary group (fourth column) from the /etc/passwd file? 

A. fmt -f 1,4 /etc/passwd 

B. split -c 1,4 /etc/passwd 

C. cut -d : -f 1,4 /etc/passwd 

D. paste -f 1,4 /etc/passwd 

Answer:


Q4. CORRECT TEXT - (Topic 4) 

Which command is used to create and initialize the files used to store quota information? (Specify ONLY the command without any path or parameters.) 

Answer: quotacheck 


Q5. - (Topic 3) 

Regarding the command: 

nice -5 /usr/bin/prog 

Which of the following statements is correct? 

A. /usr/bin/prog is executed with a nice level of -5. 

B. /usr/bin/prog is executed with a nice level of 5. 

C. /usr/bin/prog is executed with a priority of -5. 

D. /usr/bin/prog is executed with a priority of 5. 

Answer:


Renewal 101-400 free exam:

Q6. - (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:


Q7. - (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:


Q8. - (Topic 4) 

Which of the following commands set the sticky bit for the directory /tmp? (Choose TWO correct answers.) 

A. chmod +s /tmp 

B. chmod +t /tmp 

C. chmod 1775 /tmp 

D. chmod 4775 /tmp 

E. chmod 2775 /tmp 

Answer: B,C 


Q9. - (Topic 4) 

Which of the following commands changes the ownership of file.txt to the user dan and the group staff? 

A. chown dan/staff file.txt 

B. chown dan:staff file.txt 

C. chown -u dan -g staff file.txt 

D. chown dan -g staff file.txt 

Answer:


Q10. - (Topic 4) 

Instead of supplying an explicit device in /etc/fstab for mounting, what other options may be used to identify the intended partition? (Choose TWO correct answers.) 

A. FIND 

B. ID 

C. LABEL 

D. NAME 

E. UUID 

Answer: C,E