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LX0-103 Real Exam Dumps Questions and answers 1-10

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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?

  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.3

Which of the following commands will write a message to the terminals of all logged in users?

  1. bcast

  2. mesg

  3. print

  4. wall

  5. 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.)

  1. shutdown -R 1 now

  2. shutdown -single now

  3. init 1

  4. telinit 1

  5. runlevel 1

Correct Answer: CD

Question No.5

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.6

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 or character 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.7

What is the first program that is usually started, at boot time, by the Linux kernel when using SysV init?

  1. /lib/init.so

  2. /sbin/init

  3. /etc/rc.d/rcinit

  4. /proc/sys/kernel/init

  5. /boot/init

Correct Answer: B

Question No.8

Which of the following information is stored within the BIOS? (Choose TWO correct answers.)

  1. Boot device order

  2. Linux kernel version

  3. Timezone

  4. Hardware configuration

  5. The system#39;s hostname

Correct Answer: AD

Question No.9

Which of the following statements is correct when talking about /proc/?

  1. All changes to files in /proc/ are stored in /etc/proc.d/ and restored on reboot.

  2. All files within /proc/ are read-only and their contents cannot be changed.

  3. All changes to files in /proc/ are immediately recognized by the kernel.

  4. 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?

  1. silent

  2. verbose=0

  3. nomesg

  4. quiet

Correct Answer: D

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LX0-103 Real Exam Dumps Questions and answers 11-20

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Question No.11

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.12

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.13

During a system boot cycle, what program is executed after the BIOS completes its tasks?

  1. The bootloader

  2. The inetd program

  3. The init program

  4. The kernel

Correct Answer: A

Question No.14

Which command will display messages from the kernel that were output during the normal boot sequence?

Correct Answer: dmesg, /bin/dmesg

Question No.15

Which of the following commands reboots the system when using SysV init? (Choose TWO correct answers.)

  1. shutdown -r now

  2. shutdown -r quot;rebootingquot;

  3. telinit 6

  4. telinit 0

  5. shutdown -k now quot;rebootingquot;

Correct Answer: AC

Question No.16

Which run levels should never be declared as the default run level when using SysV init? (Choose TWO correct answers.)

A.

0

B.

1

C.

3

D.

5

E.

6

Correct Answer: AE

Question No.17

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

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

Question No.18

Which Debian package management tool asks the configuration questions for a specific already installed package just as if the package were being installed for the first time? (Specify ONLY the command without any path or parameters.)

Correct Answer: dpkg-reconfigure

Question No.19

Which command will disable swapping on a device? (Specify ONLY the command without any path or parameters.)

Correct Answer: swapoff, /sbin/swapoff

Question No.20

In which directory must definition files be placed to add additional repositories to yum?

Correct Answer: /etc/yum.repos.d, /etc/yum.repos.d/, yum.repos.d, yum.repos.d/

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LX0-103 Real Exam Dumps Questions and answers 21-30

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Question No.21

Which RPM command will output the name of the package which supplied the file /etc/exports?

  1. rpm -F /etc/exports

  2. rpm -qf /etc/exports

  3. rpm -Kl /etc/exports

  4. rpm -qp /etc/exports

  5. rpm -qi /etc/exports

Correct Answer: B

Question No.22

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

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

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

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

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

Correct Answer: A

Question No.23

Which of the following commands is used to update the list of available packages when using dpkg based package management?

  1. apt-get update

  2. apt-get upgrade

  3. apt-cache update

  4. apt-get refresh

  5. apt-cache upgrade

Correct Answer: A

Question No.24

After modifying GNU GRUB#39;s configuration file, which command must be run for the changes to take effect?

  1. kill -HUP $(pidof grub)

  2. grub-install

  3. grub

  4. No action is required

Correct Answer: D

Question No.25

What can the Logical Volume Manager (LVM) be used for? (Choose THREE correct answers.)

  1. To create RAID 9 arrays.

  2. To dynamically change the size of logical volumes.

  3. To encrypt logical volumes.

  4. To create snapshots.

  5. To dynamically create or delete logical volumes.

Correct Answer: BDE

Question No.26

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

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

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

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

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

Correct Answer: C

Question No.27

Which of the following commands lists all currently installed packages when using RPM package management?

  1. yum query all

  2. yum list installed

  3. rpm query all

  4. rpm 鈥搇ist installed

Correct Answer: C

Question No.28

When using rpm verify to check files created during the installation of RPM packages, which of the following information is taken into consideration? (Choose THREE correct answers.)

  1. Timestamps

  2. MD5 checksums

  3. Inodes

  4. File sizes

  5. GnuPG signatures

Correct Answer: ABD

Question No.29

Which of the following options is used in a GRUB Legacy configuration file to define the amount of time that the GRUB menu will be shown to the user?

  1. hidemenu

  2. splash

  3. timeout

  4. showmenu

Correct Answer: C

Question No.30

Which file should be edited to select the network locations from which Debian installation package files are loaded?

  1. /etc/dpkg/dpkg.cfg

  2. /etc/apt/apt.conf

  3. /etc/apt/apt.conf.d

  4. /etc/apt/sources.list

  5. /etc/dpkg/dselect.cfg

Correct Answer: D

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LX0-103 Real Exam Dumps Questions and answers 31-40

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Question No.31

Which function key is used to start Safe Mode in Windows NT?

  1. F10

  2. F8

  3. F6

  4. Windows NT does not support Safe Mode

Correct Answer: D

Question No.32

Which of the following commands can be used to download the RPM package kernel without installing it?

  1. yum download no-install kernel

  2. yumdownloader kernel

  3. rpm download package kernel

  4. rpmdownload kernel

Correct Answer: B

Question No.33

Which of the following environment variables overrides or extends the list of directories holding shared libraries?

  1. LD_LOAD_PATH

  2. LD_LIB_PATH

  3. LD_LIBRARY_PATH

  4. LD_SHARE_PATH

  5. LD_RUN_PATH

Correct Answer: C

Question No.34

When removing a package, which of the following dpkg options will completely remove the files including configuration files?

  1. clean

  2. delete

  3. purge

  4. remove

Correct Answer: C

Question No.35

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.)

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

Question No.36

Which of the following commands lists the dependencies of a given dpkg package?

  1. apt-cache depends-on package

  2. apt-cache dependencies package

  3. apt-cache depends package

  4. apt-cache requires package

Correct Answer: C

Question No.37

Which of the following commands updates the linker cache of shared libraries?

  1. mkcache

  2. soconfig

  3. mkldconfig

  4. lddconfig

  5. ldconfig

Correct Answer: E

Question No.38

Which option to the yum command will update the entire system? (Specify ONLY the option name without any additional parameters.)

Correct Answer: update, upgrade

Question No.39

Which of the following are valid stream redirection operators within Bash? (Choose THREE correct answers.)

A. lt;

B. lt;lt;lt;

C. gt;

D. gt;gt;gt;

E. %gt;

Correct Answer: ABC

Question No.40

In Bash, inserting 1gt;amp;2 after a command redirects

  1. standard error to standard input.

  2. standard input to standard error.

  3. standard output to standard error.

  4. standard error to standard output.

  5. standard output to standard input.

Correct Answer: C

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