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Q11. – (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
Q12. – (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
Q13. – (Topic 2)
Which of the following commands lists all currently installed packages when using RPM package management?
A. yum –query –all
B. yum –list –installed
C. rpm –query –all
D. rpm –list âinstalled
Q14. – (Topic 3)
What is the default nice level when a process is started using the nice command?
C. 20 D. 0
Q15. – (Topic 4)
Which of the following settings for umask ensures that new files have the default permissions -rw-r—– ?
Q16. – (Topic 2)
Which RPM command will output the name of the package which supplied the file /etc/exports?
A. rpm -F /etc/exports
B. rpm -qf /etc/exports
C. rpm -Kl /etc/exports
D. rpm -qp /etc/exports
E. rpm -qi /etc/exports
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?
Q18. CORRECT TEXT – (Topic 4)
Which umask value will result in the default access permissions of 600 (rw——-) for files and 700 (rwx——) for directories? (Specify only the numerical umask value.)
Answer: 0077, 077
Q19. – (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
Q20. – (Topic 4)
Which of the following commands will change the quota for a specific user?
C. quota -e