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Q1. CORRECT TEXT - (Topic 2) 

Which world-writable directory should be placed on a separate partition in order to prevent users from being able to fill up the / filesystem? (Specify the full path to the directory.) 

Answer: /tmp, tmp, /var/tmp, /tmp/, /var/tmp/ 


Q2. - (Topic 2) 

Which of the following commands overwrites the bootloader located on /dev/sda without overwriting the partition table or any data following it? 

A. dd if=/dev/zero of=/dev/sda bs=512 

B. dd if=/dev/zero of=/dev/sda bs=512 count=1 

C. dd if=/dev/zero of=/dev/sda bs=440 count=1 

D. dd if=/dev/zero of=/dev/sda bs=440 

Answer: C 


Q3. - (Topic 3) 

What is the default nice level when a process is started using the nice command? 

A. -10 

B. 10 

C. 20 

D. 0 Answer: B 

Topic 4, Devices, Linux Filesystems, Filesystem Hierachy Standard 


Q4. - (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 


Q5. CORRECT TEXT - (Topic 2) 

What is the name of the main configuration file for GNU GRUB? (Specify the file name only without any path.) 

Answer: menu.lst, grub.conf, grub.cfg 


Q6. - (Topic 4) 

Which of the following commands makes /bin/foo executable by everyone but writable only by its owner? 

A. chmod u=rwx,go=rx /bin/foo 

B. chmod o+rwx,a+rx /bin/foo 

C. chmod 577 /bin/foo 

D. chmod 775 /bin/foo 

Answer: A 


Q7. - (Topic 1) 

Which of the following options for the kernel's command line changes the systemd boot target to rescue.target instead of the default target? 

A. systemd.target=rescue.target 

B. systemd.runlevel=rescue.target 

C. systemd.service=rescue.target 

D. systemd.default=rescue.target 

E. systemd.unit=rescue.target 

Answer: E 


Q8. - (Topic 4) 

How many fields are in a syntactically correct line of /etc/fstab? 

A. 3 

B. 4 

C. 5 

D. 6 

E. 7 

Answer: D 


Q9. - (Topic 3) 

From a Bash shell, which of the following commands directly executes the instruction from the file /usr/local/bin/runme.sh without starting a subshell? (Please select TWO answers.) 

A. source /usr/local/bin/runme.sh 

B. . /usr/local/bin/runme.sh 

C. /bin/bash /usr/local/bin/runme.sh 

D. /usr/local/bin/runme.sh 

E. run /usr/local/bin/runme.sh 

Answer: A,B 


Q10. - (Topic 2) 

Which of the following is correct when talking about mount points? 

A. Every existing directory can be used as a mount point. 

B. Only empty directories can be used as a mount point. 

C. Directories need to have the SetUID flag set to be used as a mount point. 

D. Files within a directory are deleted when the directory is used as a mount point. 

Answer: A