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Q25. - (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?
Q26. - (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
Q27. CORRECT TEXT - (Topic 1)
Which file in the /proc filesystem lists parameters passed from the bootloader to the kernel? (Specify the file name only without any path.)
Answer: cmdline, /proc/cmdline
Q28. - (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.
Q29. - (Topic 4)
Which of the following commands can be used to display the inode number of a given file?
D. cp Answer: B
Q30. CORRECT TEXT - (Topic 2)
Which option to the yum command will update the entire system? (Specify ONLY the option name without any additional parameters.)
Answer: update, upgrade
Q31. - (Topic 3)
In the vi editor, how can commands such as moving the cursor or copying lines into the buffer be issued multiple times or applied to multiple rows?
A. By using the command :repeat followed by the number and the command.
B. By specifying the number right in front of a command such as 4l or 2yj.
C. By selecting all affected lines using the shift and cursor keys before applying the command.
D. By issuing a command such as :set repetition=4 which repeats every subsequent command 4 times.
Q32. - (Topic 4)
Which of the following file permissions belong to a symbolic link?