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Question No.1
Which file in the /proc filesystem lists parameters passed from the bootloader to the kernel? (Specify the file name only without any path.)
Correct Answer: cmdline, /proc/cmdline
Question No.2
Which of the following options for the kernel#39;s command line changes the systemd boot target to rescue.target instead of the default target?
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systemd.target=rescue.target
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systemd.runlevel=rescue.target
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systemd.service=rescue.target
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systemd.default=rescue.target
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systemd.unit=rescue.target
Correct Answer: E
Question No.3
Which of the following commands will write a message to the terminals of all logged in users?
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bcast
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mesg
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print
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wall
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yell
Correct Answer: D
Question No.4
Which of the following commands brings a system running SysV init into a state in which it is safe to perform maintenance tasks? (Choose TWO correct answers.)
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shutdown -R 1 now
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shutdown -single now
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init 1
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telinit 1
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runlevel 1
Correct Answer: CD
Question No.5
Which SysV init configuration file should be modified to disable the ctrl-alt-delete key combination?
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/etc/keys
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/proc/keys
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/etc/inittab
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/proc/inittab
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/etc/reboot
Correct Answer: C
Question No.6
What of the following statements are true regarding /dev/ when using udev? (Choose TWO correct answers.)
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Entries for all possible devices get created on boot even if those devices are not connected.
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Additional rules for udev can be created by adding them to /etc/udev/rules.d/.
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When using udev, it is not possible to create block or character devices in /dev/ using mknod.
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The /dev/ directory is a filesystem of type tmpfs and is mounted by udev during system startup.
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The content of /dev/ is stored in /etc/udev/dev and is restored during system startup.
Correct Answer: BD
Question No.7
What is the first program that is usually started, at boot time, by the Linux kernel when using SysV init?
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/lib/init.so
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/sbin/init
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/etc/rc.d/rcinit
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/proc/sys/kernel/init
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/boot/init
Correct Answer: B
Question No.8
Which of the following information is stored within the BIOS? (Choose TWO correct answers.)
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Boot device order
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Linux kernel version
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Timezone
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Hardware configuration
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The system#39;s hostname
Correct Answer: AD
Question No.9
Which of the following statements is correct when talking about /proc/?
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All changes to files in /proc/ are stored in /etc/proc.d/ and restored on reboot.
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All files within /proc/ are read-only and their contents cannot be changed.
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All changes to files in /proc/ are immediately recognized by the kernel.
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All files within /proc/ are only readable by the root user.
Correct Answer: C
Question No.10
Which of the following kernel parameters instructs the kernel to suppress most boot messages?
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silent
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verbose=0
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nomesg
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quiet
Correct Answer: D
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