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LPI 101-500

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Linux Profesional Institute
David OkOk
Quiz by David OkOk, updated 10 months ago
David OkOk
Created by David OkOk about 1 year ago
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Resource summary

Question 1

Question
Which type of file system is created by mkfs when it is executed with the block device name only and without any additional parameters?
Answer
  • XFS
  • VFAT
  • ext2
  • ext3
  • ext4

Question 2

Question
Which umask value ensures that new directories can be read, written and listed by their owning user, read and listed by their owning group and are not accessible at all for everyone else?
Answer
  • 0750
  • 0027
  • 0036
  • 7640
  • 0029

Question 3

Question
Which of the following commands changes the number of days before the ext3 filesystem on /dev/sda1 has to run through a full filesystem check while booting?
Answer
  • tune2fs -d 200 /dev/sda1
  • tune2fs -i 200 /dev/sda1
  • tune2fs -c 200 /dev/sda1
  • tune2fs -n 200 /dev/sda1
  • tune2fs --days 200 /dev/sda1

Question 4

Question
Which is the default percentage of reserved space for the root user on new ext4 filesystems?
Answer
  • 10%
  • 3%
  • 15%
  • 0%
  • 5%

Question 5

Question
5.- Which of the following is true when a file system, which is neither listed in /etc/fstab nor known to system, is mounted manually?
Answer
  • Systemd ignores any manual mounts which are not done using the systemctl mount command
  • The command systemctl mountsync can be used to create a mount unit based on the existing mount
  • systemd automatically generates a mount unit and monitors the mount point without changing it
  • Unless a systemd mount unit is created, systemd unmounts the file system after a short period of time
  • systemctl unmount must be used to remove the mount because system opens a file descriptor on the mount point

Question 6

Question
6.- Which program updates the database that is used by the locate command? (Specify ONLY the command without any path or parameters).
Answer
  • updatedb
  • upgrade

Question 7

Question
7.- What does the command mount --bind do?
Answer
  • It makes the contents of one directory available in another directory
  • It mounts all available filesystems to the current directory
  • It mounts all user mountable filesystems to the user's home directory
  • It mounts all file systems listed in /etc/fstab which have the option userbind set
  • It permanently mounts a regular file to a directory

Question 8

Question
8.- Consider the following output from the command ls -i: How would a new file named c.txt be created with the same inode number as a.txt (Inode 525385)?
Answer
  • ln -h a.txt c.txt
  • ln c.txt a.txt
  • ln a.txt c.txt
  • In -f c.txt a.txt
  • ln -i 525385 c.txt

Question 9

Question
Consider the following directory: drwxrwxr-x 2 root sales 4096 Jan 1 15:21 sales Which command ensures new files created within the directory sales are owned by the group sales? (Choose two.)
Answer
  • chmod g+s sales
  • setpol -R newgroup=sales sales
  • chgrp -p sales sales
  • chown --persistent *.sales sales
  • chmod 2775 sales

Question 10

Question
10.- In order to display all currently mounted filesystems, which of the following commands could be used? (Choose two.)
Answer
  • cat /proc/self/mounts
  • free
  • lsmounts
  • mount
  • cat /proc/filesystems

Question 11

Question
11.- Which command displays the current disk space usage for all mounted file systems? (Specify ONLY the command without any path or parameters.)
Answer
  • df
  • ht

Question 12

Question
12.- Which chown command changes the ownership to dave and the group to staff on a file named data.txt?
Answer
  • chown dave/staff data.txt
  • chown -u dave -g staff data.txt
  • chown --user dave --group staff data.txt
  • chown dave+staff data.txt
  • chown dave:staff data.txt

Question 13

Question
13.- When considering the use of hard links, what are valid reasons not to use hard links?
Answer
  • Hard links are not available on all Linux systems because traditional filesystems, such as ext4, do not support them
  • Each hard link has individual ownership, permissions and ACLs which can lead to unintended disclosure of file content
  • Hard links are specific to one filesystem and cannot point to files on another filesystem
  • If users other than root should be able to create hard links, suln has to be installed and configured
  • When a hard linked file is changed, a copy of the file is created and consumes additional space

Question 14

Question
14.- In compliance with the FHS, in which of the directories are man pages found?
Answer
  • /opt/man/
  • /usr/doc/
  • /usr/share/man/
  • /var/pkg/man
  • /var/man/

Question 15

Question
15.- 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
  • repeat

Question 16

Question
16.- What is the process ID number of the init process on a System V init based system?
Answer
  • -1
  • 0
  • 1
  • It is different with each reboot
  • It is set to the current run level

Question 17

Question
17.- Which daemon handles power management events on a Linux system?
Answer
  • acpid
  • batteryd
  • pwrmgntd
  • psd
  • inetd

Question 18

Question
18.- Which of the following statements are true about the boot sequence of a PC using a BIOS? (Choose two.
Answer
  • Some parts of the boot process can be configured from the BIOS
  • Linux does not require the assistance of the BIOS to boot a computer
  • The BIOS boot process starts only if secondary storage, such as the hard disk, is functional
  • The BIOS initiates the boot process after turning the computer on
  • The BIOS is started by loading hardware drivers from secondary storage, such as the hard disk

Question 19

Question
19.- What is true regarding UEFI firmware? (Choose two.)
Answer
  • It can read and interpret partition tables
  • It can use and read certain file systems
  • It stores its entire configuration on the /boot/ partition
  • It is stored in a special area within the GPT metadata
  • It is loaded from a fixed boot disk position

Question 20

Question
20.- A faulty kernel module is causing issues with a network interface card. Which of the following actions ensures that this module is not loaded automatically when the system boots?
Answer
  • Using lsmod --remove --autoclean without specifying the name of a specific module
  • Using modinfo -k followed by the name of the offending module
  • Using modprobe -r followed by the name of the offending module
  • Adding a blacklist line including the name of the offending module to the file /etc/modprobe.d/blacklist.conf
  • Deleting the kernel module's directory from the file system and recompiling the kernel, including its modules

Question 21

Question
21.- When is the content of the kernel ring buffer reset? (Choose two.)
Answer
  • When the ring buffer is explicitly reset using the command dmesg --clear
  • When the ring buffer is read using dmesg without any additional parameters
  • When a configurable amount of time, 15 minutes by default, has passed
  • When the kernel loads a previously unloaded kernel module
  • When the system is shut down or rebooted

Question 22

Question
What is the first program the Linux kernel starts at boot time when using System V init?
Answer
  • /lib/init.so
  • /proc/sys/kernel/init
  • /etc/rc.d/rcinit
  • /sbin/init
  • /boot/init

Question 23

Question
23.- A Debian package creates several files during its installation. Which of the following commands searches for packages owning the file /etc/debian_version?
Answer
  • apt-get search /etc/debian_version
  • apt -r /etc/debian_version
  • find /etc/debian_version -dpkg
  • dpkg -S /etc/debian_version
  • apt-file /etc/debian_version

Question 24

Question
24.- What is contained on the EFI System Partition?
Answer
  • The Linux root file system
  • The first stage boot loader
  • The default swap space file
  • The Linux default shell binaries
  • The user home directories

Question 25

Question
25.- Which of the following directories on a 64 bit Linux system typically contain shared libraries? (Choose two.)
Answer
  • ~/.lib64/
  • /usr/lib64/
  • /var/lib64/
  • /lib64/
  • /opt/lib64/

Question 26

Question
26.- Which of the following files exist in a standard GRUB 2 installation? (Choose two.)
Answer
  • /boot/grub/stages/stage0
  • /boot/grub/i386-pc/lvm.mod
  • /boot/grub/fstab
  • /boot/grub/grub.cfg
  • /boot/grub/linux/vmlinuz

Question 27

Question
27.- Which of the following commands installs all packages with a name ending with the string foo?
Answer
  • zypper get '*foo'
  • zypper update 'foo?'
  • zypper force 'foo*'
  • zypper install '*foo'
  • zypper add '.*foo'

Question 28

Question
Which of the following properties of a Linux system should be changed when a virtual machine is cloned? (Choose two.)
Answer
  • The partitioning scheme
  • The file system
  • The D-Bus Machine ID
  • The permissions of /root/
  • The SSH host keys

Question 29

Question
29.- Which of the following commands installs GRUB 2 into the master boot record on the third hard disk?
Answer
  • grub2 install /dev/sdc
  • grub-mkrescue /dev/sdc
  • grub-mbrinstall /dev/sdc
  • grub-setup /dev/sdc
  • grub-install /dev/sdc

Question 30

Question
30.- Which of the following partition types is used for Linux swap spaces when partitioning hard disk drives?
Answer
  • 7
  • 82
  • 83
  • 8e
  • fd
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