Exam 101-500 – betcher.info

@Todo: Add more Questions to the Exam 101-500
@Todo: Study materials: https://learning.lpi.org/en/learning-materials/101-500/

1. What is true regarding the configuration of yum? (Choose two.)

Changes to the repository configuration become active after running yum confupdate

Changes to the yum configuration become active after restarting the yumd service

The configuration of package repositories can be divided into multiple files

In case /etc/yum.repos.d/ contains files, /etc/yum.conf is ignored

2. When planning a partition scheme, which of the following directories could be considered for
separate partitions? (Choose three.)

/etc

/home

/var

/lib

/opt

3. The dpkg-____ command will ask configuration questions for a specified package, just as if the
package were being installed for the first time.

update

configure

reconfigure

upgrade

4. What is true regarding UEFI firmware? (Choose two.)

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

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

To create RAID 9 arrays.

To dynamically change the size of logical volumes.

To encrypt logical volumes.

To create snapshots.

To dynamically create or delete logical volumes.

6. 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?

hidemenu

splash

timeout

showmenu

7. Which of the following statements is correct regarding the command foo 1> bar?

The stdout from the command foo is appended to the file bar.

The stdout from the command foo overwrites the file bar.

The command foo receives its stdin from the file bar.

The command foo receives its stdin from the stdout of the command bar.

The stderr from the command foo is saved to the file bar.

8. Which of the following is very important when installing from source code (Check TWO that
apply)?

Read all documentation included with the source code.

Reboot after installing all programs.

Manually check to see if all dependencies are met.

Use rpm or dpkg goverify the installation.

Do not install binaries as the root user.

9. To prevent a command run as root from sending both standard out (stdout) and standard error
(stderr) to any terminal or other file or device, which of the following strings should be appended to
the command?

>/dev/null

>/dev/null 1>&2

>/dev/null 2>&1

1>&2 >/dev/null

2>&1 >/dev/null

10. Which of the following commands instructs SysVinit to reload its configuration file?

reinit

init reload

telinit 7

telinit q

init reinit

11. What does the command mount -a do?

It mounts the floppy disk for all users

It shows all mounted file systems

It opens /etc/fstab to edit

It mounts all file systems listed in /etc/fstab

12. Which command will show you the contents of a gzip compressed tar archive?

gzip archive.tgz | tar xvf –

tar ztf archive.tgz

gzip -d archive.tgz | tar tvf –

tar cf archive.tgz

13. As root you have navigated to directory /B. You wish to move all of the files and directories
from directory /A to directory /B. Which of the following options would be the most appropriate
command line to execute this task?

cp /a/* .

mv -f /A/* .

mv -Rf/a/* .

cp -f /a/* ..

cp -rf /A/* /b/

14. When piping the output of find to the xargs command, what option to find is useful if the
filenames have spaces in them?

-rep-space

-print0

-nospace

-ignore-space

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

yum download –no-install kernel

yumdownloader kernel

rpm –download –package kernel

rpmdownload kernel

16. Pressing the Ctrl-C combination on the keyboard while a command is executing in the
foreground sends which of following signal codes?

(SIGHUP)

(SIGINT)

(SIGQUIT)

(SIGKILL)

(SIGTERM)

17. What option, when passed to the yum command, will update the entire system? (Specify
ONLY the option name with no additional parameters)

downgrade

upgrade

update

kill -9

18. Which signal is sent by the kill command by default?

SIGHUP(1)

SIGQUIT(3)

SIGKILL(9)

SIGTERM(15)

19. What is the process ID number of the init process on a SysV init based system?

-1

It is different with each reboot.

It is set to the current run level.

20. Which command will print out the attributes of the file foobar?

ls –attrfoobar

lsattr foobar

printattr foobar

fileattr foobar

21. Which of the following commands will print important system information such as the kernel
version and machine hardware architecture?

sysinfo

uname

lspci

arch

info

22. Which of the following are valid stream redirection operators within Bash? (Choose two.)

>>>

2>&1

23. Given the following output: prompt> myapp [1]+ Stopped myapp prompt> Which of the
following commands will resume executing the stopped process and make it the current job?

bg myapp

continue myapp

exec myapp

fg myapp

myapp &

24. What command will generate a list of user names from /etc/passwd along with their login
shell?

column -s : 1,7 /etc/passwd

chop -c 1,7 /etc/passwd

colrm 1,7 /etc/passwd

cut -d: -f1,7 /etc/passwd

25. Which of the following commands set the sticky bit for the directory /tmp? (Choose TWO
correct answers.)

chmod +s /tmp

chmod +t /tmp

chmod 1775 /tmp

chmod 4775 /tmp

chmod 2775 /tmp

26. You want to examine the changelog for the installed package postfix. Which command will
display the changelog?

rpm -Vc postfix

rpm -qpil postfix

rpm –changelogpostfix

rpm -q –changelog postfix

rpm -qa –changelog postfix

27. Which of the following commands installs all packages with a name ending with the string
foo?

zypper get “*foo”

zypper update “foo?”

zypper force “foo*”

zypper install “*foo”

zypper add “.*foo”

28. You have just upgraded your PC to a 60 gigabyte IDE drive. While partitioning the drive, you
notice that only 32 gigabytes are available. Which of the following will most likely allow you to use
the entire drive?

Create two smaller partitions of 30 gigabytes each.

Set the PC BIOS to use LBA mode.

Create a partition that resides entirely below the first 1024 cylinders.

Use GRUB or the latest version of LILO as a bootloader.

Upgrade the PC BIOS to the latest version available.

29. Which of the following commands replaces each occurrence of ‘bob’ in the file letter with
‘Bob’ and writes the result to the file newletter?

sed ‘/bob/Bob’ letter > newletter

sed s/bob/Bob/ letter < newletter

sed ‘s/bob/Bob’ letter > newletter

sed ‘s/bob/Bob/g’ letter > newletter

sed ‘s/bob, Bob/’ letter > newletter

30. Which of the following commands is run last during boot on a system with quotas enabled?

fsck

mount

quotacheck

quotaon

31. Which utility would be used to change how often a filesystem check is performed on an ext2
filesystem without losing any data stored on that filesystem?

mod2fs

fsck

tune2fs

mke2fs

fixe2fs

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

Device IRQ settings

PCI bus speed

System battery type

Device vendor identification

Ethernet MAC address

33. You want to the command foo to take its input from the file foobar and send its output to the
program bar. Which of the following command lines will do this?

foo < foobar | bar

foo bar

foo | foobar > bar

foo | bar < foobar

foo > bar < foobar

34. SIMULATION
Which file in /proc describes the IRQs that are used by various kernel drivers? (Specify the file name
only without any path.)

interrupts

gigabyte

kilobyte

netflix

35. 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?

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

36. Which type of file system is created by mkfs when it is executed with the block device name only and without any additional parameters?

XFS

VFAT

ext2

ext3

ext4

37. 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?

0750

0027

0036

7640

0029

38. 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?

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

39. Which is the default percentage of reserved space for the root user on new ext4 filesystems?

10%

15%

40. Which of the following is true when a file system, which is neither listed in /etc/fstab nor known to system, is mounted manually?

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

41. FILL BLANK –
Which program updates the database that is used by the locate command? (Specify ONLY the command without any path or parameters).

updatedb

FILL BLANK –

42. Which of the following is true? The initramfs normally contains ..

the inital ramdisk for use with /sys, /proc and /dev

the Linux Kernel

The Boot loader

files needed files for the system boot

43. Which of the following will print your current directory position on the shell?

pwd

echo $PWD

echo PWD

whereis

echo $(pwd)

44. When considering the use of hard links, what are valid reasons not to use hard links?

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

45. Which daemon handles power management events on a Linux system?

acpid

batteryd

pwrmgntd

psd

inetd

46. 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?

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

47. A Debian package creates several files during its installation. Which of the following commands searches for packages owning the file /etc/debian_version?

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

48. When is the content of the kernel ring buffer reset? (Choose two.)

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

49.

Which of the following files exist in a standard GRUB 2 installation? (Choose two.)

/boot/grub/stages/stage0

/boot/grub/i386-pc/lvm.mod

/boot/grub/fstab

/boot/grub/grub.cfg

/boot/grub/linux/vmlinuz

50. Which partition type code should be used for a swap partition?

51. How do you create an LVM2 volume group?

mkvg

lvcreate

vgcreate

pvcreate

mkfs

52. Which of the following are common compression tools on Linux?

gzip

xzip

bz2

bunzip2

53. Which boot loader probably uses the following syntax?
title Gentoo 5.1.0 linux /vmlinuz-5.1.0-gentoo initrd /initramfs-genkernel-x86_64-5.1.0-gentoo options domdadm dolvm crypt_root=/dev/md/gentoo:root real_root=/dev/mapper/crypt-root root=/dev/mapper/crypt-root rootfstype=ext4 root_trim=yes

Lilo

rEFInd

systemd-boot

GRUB 1

GRUB 2

54. What does the command mount –bind do?

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

55. 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.)

chmod g+s sales

setpol -R newgroup=sales sales

chgrp -p sales sales

chown –persistent *.sales sales

chmod 2775 sales

56. When is the content of the kernel ring buffer reset? (Choose two.)

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

57. What is contained on the EFI System Partition?

The Linux root file system

The first stage boot loader

The default swap space file

The Linux default shell binaries

The user home directories

58. Which of the following directories on a 64 bit Linux system typically contain shared libraries? (Choose two.)

~/.lib64/

/usr/lib64/

/var/lib64/

/lib64/

/opt/lib64/

59. What is the first program the Linux kernel starts at boot time when using System V init?

/lib/init.so

/proc/sys/kernel/init

/etc/rc.d/rcinit

/sbin/init

/boot/init

60. In which file the default runlevel for a SysVInit system is set?

/etc/init.d

/etc/init

/boot/grub/grub.cfg

/etc/inittab

/etc/fstab

61. Which of the following commands belong to the Debian package management system?

apt-remove

apt-cache

zypper

apt-get

dpkg-reconfigure

rpm

yum

62. How do you unload a Linux module from the running Kernel?

lsmod

modprobe -r

ldd

rmod

63. FILL BLANK –
Which command displays the current disk space usage for all mounted file systems? (Specify ONLY the command without any path or parameters.)

FILL BLANK –

64. Which chown command changes the ownership to dave and the group to staff on a file named data.txt?

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

65. What is the first program the Linux kernel starts at boot time when using System V init?

/lib/init.so

/proc/sys/kernel/init

/etc/rc.d/rcinit

/sbin/init

/boot/init

66. Which of the following files exist in a standard GRUB 2 installation? (Choose two.)

/boot/grub/stages/stage0

/boot/grub/i386-pc/lvm.mod

/boot/grub/fstab

/boot/grub/grub.cfg

/boot/grub/linux/vmlinuz

67. Which of the following properties of a Linux system should be changed when a virtual machine is cloned? (Choose two.)

The partitioning scheme

The file system

The D-Bus Machine ID

The permissions of /root/

The SSH host keys

68. Which of the following commands restarts a Linux system on a SysV system immediately?

init 0

init 6

shutdown -r 1

reboot

restart

shutdown -h now

69. A regex with “a*” would match all words starting with an a?

true

false

70. How do you search for modified things in the last 1 minute in the current directory?

find . -mmin +1

find . -mmin 1

find . -mmin -1

find . -mtime -1

find -mtime -1 .

find -mmin -1 .

71. In order to display all currently mounted filesystems, which of the following commands could be used? (Choose two.)

cat /proc/self/mounts

free

lsmounts

mount

cat /proc/filesystems

72. What is the process ID number of the init process on a System V init based system?

-1

It is different with each reboot

It is set to the current run level

73. What is true regarding UEFI firmware? (Choose two.)

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

74. Which of the following commands installs all packages with a name ending with the string foo?

zypper get ‘*foo’

zypper update ‘foo?’

zypper force ‘foo*’

zypper install ‘*foo’

zypper add ‘.*foo’

75. How do you send a broadcast message to all logged in users? (Without files)

netmsg “Hallo”

echo “Hallo”

wall

echo “Hallo” | wall

wall “Hallo”

76. What would be the best way to print out the MBR of the first mass storage device?

head -n 512 /dev/sda

hexdump -C -n 512 /dev/sda

tail -n 512 /dev/sda

cat /dev/sda

dd if=/dev/sda of=mbr.txt bs=512 count=1

77. Which of the following prints to stdout and writes to a file simultaneously?

xargs

tee

78. In compliance with the FHS, in which of the directories are man pages found?

/opt/man/

/usr/doc/

/usr/share/man/

/var/pkg/man

/var/man/

79. Which of the following statements are true about the boot sequence of a PC using a BIOS? (Choose two.)

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

80. What is contained on the EFI System Partition?

The Linux root file system

The first stage boot loader

The default swap space file

The Linux default shell binaries

The user home directories

81. Which tools can be used to change the nice value of a running process?

reice

netstat

nice

top

82. bg is an built in bash command? E.g. no regular executable.

true

false

83. You can add -r to the move (mv) command?

true

false

84. 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)?

ln -h a.txt c.txt

ln c.txt a.txt

ln a.txt c.txt

ln -f c.txt a.txt

ln -i 525385 c.txt

85. Which of the following properties of a Linux system should be changed when a virtual machine is cloned? (Choose two.)

The partitioning scheme

The file system

The D-Bus Machine ID

The permissions of /root/

The SSH host keys

86. Which of the following commands installs GRUB 2 into the master boot record on the third hard disk?

grub2 install /dev/sdc

grub-mkrescue /dev/sdc

grub-mbrinstall /dev/sdc

grub-setup /dev/sdc

grub-install /dev/sdc

87. In which directory is the compiled Linux kernel normally located?

/sys

/proc

/dev

/lib/modules

/boot

88. Which grep parameter negates the pattern, e.g. showing all lines NOT containing it?

-i

-r

-v

-A

-B

89. A Debian package creates several files during its installation. Which of the following commands searches for packages owning the file /etc/debian_version?

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

90. Which command lists the files in an installed RPM packages

rpm -i

rmp2cpio

rpm –list-files

rpm -ql

rpm –query-files

91. Which of the following are Linux init systems?

systemd “System and Service Manager”

Upstart

service

systemctl

System V Init

92. In which file is the users bash history stored?

~/.bash_history

~/.history

~/.bashrc

/etc/bash_history

/var/log/syslog

93. Which of the following partition types is used for Linux swap spaces when partitioning hard disk drives?

94. How do you enable an existing swap partition?

free

onswap

swapon

swdisk

mkswap

95. Which file ending do shared libraries have on Linux?

.dll

.ko

None (Linux files have no file endigs)

.so

.si

96. Which parameter allows you to filter for devices (PCI-Bus) with lspci?

-k

-b

-v

-s

-t

97. Which file probably contains the following content?
## Major bug fix updates produced after the final release of the ## distribution. deb http://archive.ubuntu.com/ubuntu/ bionic-updates main restricted # deb-src http://archive.ubuntu.com/ubuntu/ bionic-updates main restricted

## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu ## team. Also, please note that software in universe WILL NOT receive any ## review or updates from the Ubuntu security team. deb http://archive.ubuntu.com/ubuntu/ bionic universe # deb-src http://archive.ubuntu.com/ubuntu/ bionic universe deb http://archive.ubuntu.com/ubuntu/ bionic-updates universe

/etc/portage/make.conf

/etc/yum.repos.d/centos-base.repo

/etc/apt/sources.list

/etc/nsswitch

/etc/pacman.d/mirrorlist

98. What kind of Kernel is the Linux one?

Hybrid Kernel

Exokernel

Microkernel

Nanokernel

Monolithic Kernel

99. Which regex operator matches the beginning of a line?

[]

100. What would be the output of the following echo command?
$ EXAM="LPIC 101" $ echo 'Exam: "$EXAM"'

Exam:

Exam: “LPIC 101”

Exam: “$EXAM”

Exam: LPIC 101

An error would occour

101. The dot “.” in a regex matches a single character?

true

false

102. How many partitions does GPT support?

256

128

103. Which of the following are valid nice values?

-20

255

-127

127

104. Which of the following commands allows you to change the nice value of a running command?

watch

top

nice

105. Which of the following would create a backup of your user home directory?

tar -cf backup.tar /home

tar cvf backup.tar ~

tar cvf ~ backup.tar

tar xf backup.tar

tar xf ~ backup.tar

106. Which command shows you printable character sequences in an Linux executable?

file

cat

hexdump

strings

less

107. How would you extend the list of directories, where the shell is looking for executable files, with your users “~/bin” folder?

export PATH:~/bin

export $PATH=PATH:~/bin

export PATH=”$PATH:~/bin”

expand PATH:~/bin

export PATH=$PATH:~/bin

export PATH=”PATH:~/bin”

108. Which section number has the manual for the /etc/fstab file?

109. How do you install Grub into the MBR of the first mass storage device?

update-grub /dev/sda

grub-install /dev/sda

install-grub /dev/sda

grub-install –target=x86_64-efi –efi-directory=/boot/EFI

grub-install /dev/sdb

110. Which of the following is true for systemd-journald?

Stored in /var/log/syslog

Stored in /var/log/journal

The log is stored in text files

Stored in /var/log/messages

The logs are stored in binary format.

111. Which partition type should an UEFI boot partition have?

0700

8200

EF00

4200

8300

112. How many primary partitions can you have with an MBR partitioning scheme?

128

113. Which command numbers the lines of a file? (Not the file itself)

zcat

uniq

114. Which of the following files (if existing) are normally loaded during the startup of the Bourne-Again Shell (bash)?

~/.xinitrc

/etc/bash

/etc/skel

~/.bashrc

/etc/profile

115. Where is the partition table located on a mass storage device with an MBR partition scheme?

On multiple locations of the device

At the beginning of a partition

At the end of the storage device

In an extended partition

At the beginning / First sector of the device

116. Which folder generally would contain the apache2 / httpd executable on Linux?

/usr/bin

/lib

/usr/lib

/bin

/sbin

117. How do you delete an Variable on the bash? (Command only)

uname

unset

clear

remove

118.

How do you start the apache2 service with systemd without a reboot?

service apache2 start

systemctl enable apache2

systemctl start apache2

init 5

119.

Which kill signal is send by default by the kill command? (If no other supplied)

-USR1

-10

-9

-1

-15

120.

What is the maximum addressable storage space of a MBR partitioned hard disk with a 512 byte sector size?

512 GB

2048 GiB

1024 GB

2048 Gb

1024 GiB

121.

How would you partition a mass storage device with an MBR (dos) partition scheme?

mkswap

mkfs

fdisk

gdisk

cddisk

122.

Which commands prints the Linux kernel message buffer?

dmesg

uname

klog

kernellog

None, the kernel log can be found in a log file

123.

How can you list all installed packages on an Debian system?

apt-get installed

dpkg list

apt-cache pkgname

dpkg -I

apt-cache list

124.

Which of the following are Linux filesystems and are supported directly by the Kernel?

NTFS

FAT

Btrfs

ZFS

Ext4

exFAT

125.

How would you start the editing mode after the current position of your cursor in vi?

126.

Which of the following are Linux bootloaders?

GRUB

blkid

efibootmgr

systemd-boot

mboot

127.

Which of the following are bash programs to manage jobs?

background

foreground

jobs

kill

128.

Which of the following redirects the standard and error output to a file?

129. How do you power down a system in 5 minutes?

init 0

init 6

shutdown -h 5

shutdown -h 300

powerdown -h 300

130. How can you delete an package including it’s configuration?

apt-get remove pkg

apt-get force-remove pkg

apt-get autoclean pkg

apt-get purge pkg

apt-get clean pkg

131. Which command allows you to reverse sort the lines of a text file?

rsort

sort

reverse

uniq

unsort

132. Which of the following does touch not do?

Create an empty file

Update the access and modification time of a file

Update the access and modification time of a directory

Update the created time of an existing file

Create a file with an modified access date.

Create a directory

133. How do you obtain the ip address of an network adapter in Linux?

ip address

arp

ipconfig

lsof -i

route

134. How can you get more information, like the maintainer, about an apt package on Debian?

apt-cache show pkg

apt-info pkg

apt-cache info pkg

apt-show pkg

apt-cache search pkg