101-500 Real Exam Dumps Questions and answers 1-10

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Question No.1

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?

  1. systemd.target=rescue.target

  2. systemd.runlevel=rescue.target

  3. systemd.service=rescue.target

  4. systemd.default=rescue.target

  5. systemd.unit=rescue.target

Correct Answer: E

Question No.2

Which of the following are init systems used within Linux systems? (Choose THREE correct answers.)

  1. startd

  2. systemd

  3. Upstart

  4. SysInit

  5. SysV init

Correct Answer: BCE

Question No.3

The message quot;Hard Disk Errorquot; is displayed on the screen during Stage 1 of the GRUB boot process. What does this indicate?

  1. The kernel was unable to execute /bin/init

  2. The next Stage cannot be read from the hard disk because GRUB was unable to determine the size and geometry of the disk

  3. One or more of the filesystems on the hard disk has errors and a filesystem check should be run

  4. The BIOS was unable to read the necessary data from the Master Boot Record to begin the boot process

Correct Answer: B

Question No.4

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.5

What information can the lspci command display about the system hardware? (Choose THREE correct answers.)

  1. Device IRQ settings

  2. PCI bus speed

  3. System battery type

  4. Device vendor identification

  5. Ethernet MAC address

Correct Answer: ABD

Question No.6

You are having some trouble with a disk partition and you need to do maintenance on this partition but your users home directories are on it and several are logged in. Which command would disconnect the users and allow you to safely execute maintenance tasks?

  1. telinit 1

  2. shutdown -r now

  3. killall -9 inetd

  4. /bin/netstop maint

  5. /etc/rc.d/init.d/network stop

Correct Answer: A

Question No.7

What of the following statements are true regarding /dev/ when using udev? (Choose TWO correct answers.)

  1. Entries for all possible devices get created on boot even if those devices are not connected.

  2. Additional rules for udev can be created by adding them to /etc/udev/rules.d/.

  3. When using udev, it is not possible to create block orcharacter devices in /dev/ using mknod.

  4. The /dev/ directory is a filesystem of type tmpfs and is mounted by udev during system startup.

  5. The content of /dev/ is stored in /etc/udev/dev and is restored during system startup.

Correct Answer: BD

Question No.8

You suspect that a new ethernet card might be conflicting with another device. Which file should you check within the /proc tree to learn which IRQs are being used by which kernel drivers?

Correct Answer: interrupts, /proc/interrupts

Question No.9

Which SysV init configuration file should be modified to disable the ctrl-alt-delete key combination?

  1. /etc/keys

  2. /proc/keys

  3. /etc/inittab

  4. /proc/inittab

  5. /etc/reboot

Correct Answer: C

Question No.10

Which of the following kernel parameters instructs the kernel to suppress most boot messages?

  1. silent

  2. verbose=0

  3. nomesg

  4. quiet

Correct Answer: D

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