LPIC-1 Linux Administrator — Exam 101 (101-500)

Which command displays a list of all PCI devices attached to the system?

• Alsusb
• Blspci
• Clshw -pci
• Dpciinfo

Which file (or directory) contains kernel ring buffer messages and can be displayed with the dmesg command?

• A/var/log/messages
• B/proc/kmsg and /dev/kmsg
• C/etc/dmesg.conf
• D/var/run/dmesg

Which systemd command sets the default boot target to the multi-user (non-graphical) target?

• Asystemctl set-default multi-user.target
• Bsystemctl isolate multi-user.target
• Csystemctl enable multi-user
• Dsystemctl default-target multi-user

What is the legacy SysV runlevel equivalent of systemd's graphical.target?

• A3
• B4
• C5
• D6

Which command shows information about USB devices attached to the system, including bus and device IDs?

• Alsusb
• Blspci
• Clsmod
• Dusbinfo

Which filesystem provides an interface to kernel data structures and contains a directory for each running process?

• A/dev
• B/sys
• C/proc
• D/run

An administrator wants to verify which kernel module currently controls the network interface card. Which command and option provides this information?

• Alsmod -k eth0
• Blspci -k
• Cmodinfo eth0
• Difconfig -m

Which command immediately switches a running systemd system to rescue (single-user) mode?

• Asystemctl set-default rescue.target
• Bsystemctl isolate rescue.target
• Csystemctl enable rescue.target
• Dtelinit 3

Which file controls module options and aliases that are applied when modules are loaded?

• A/etc/modules
• B/etc/modprobe.d/*.conf
• C/proc/modules
• D/lib/modules/*/modules.dep

Which command displays information about modules currently loaded into the kernel?

• Amodinfo
• Bmodprobe -l
• Clsmod
• Dmodlist

An administrator wants to design a hard disk layout for a server that separates user data from system files for easier backup. Which mount point should be on its own partition?

• A/etc
• B/home
• C/usr
• D/lib

Which command installs the GRUB 2 bootloader to the master boot record of /dev/sda?

• Agrub-install /dev/sda
• Bgrub2-mkconfig -o /dev/sda
• Cgrub-update /dev/sda
• Dgrub /dev/sda

On a Debian-based system, which command regenerates /boot/grub/grub.cfg after editing /etc/default/grub?

• Agrub-mkconfig -o /boot/grub/grub.cfg
• Bgrub-mkconfig > /etc/default/grub
• Cupdate-initramfs -u
• Dgrub-install /boot/grub

Which command lists all installed Debian (.deb) packages on the system?

• Adpkg -l
• Bapt-cache list
• Cdpkg --installed
• Dapt list

Which command searches the APT package cache for packages whose name or description contains the keyword 'apache'?

• Aapt-get search apache
• Bapt-cache search apache
• Cdpkg -l '*apache*'
• Ddpkg --search apache

Which command lists the files installed by an RPM package named 'httpd'?

• Arpm -ql httpd
• Brpm --files httpd
• Crpm -V httpd
• Dyum files httpd

Which command searches the configured repositories to show which package provides the file /usr/sbin/httpd?

• Adnf provides /usr/sbin/httpd
• Bdnf search httpd
• Crpm -ql httpd
• Ddnf owner /usr/sbin/httpd

Which file lists the directories searched by ldconfig to build the shared library cache?

• A/etc/ld.so.cache
• B/etc/ld.so.conf
• CLD_LIBRARY_PATH
• D/lib/ld-linux.so

Which command displays the shared libraries required by an executable?

• Aldd /usr/bin/ssh
• Bldconfig /usr/bin/ssh
• Cnm /usr/bin/ssh
• Dlibrary /usr/bin/ssh

An administrator needs to install the package 'nginx' from the configured repositories on Ubuntu without being asked for confirmation. Which command does this?

• Aapt-get install --no-install-recommends nginx
• Bapt-get install --yes nginx
• Capt-get install --dry-run nginx
• Ddpkg -i nginx

Which dnf command upgrades all installed packages to the latest available version?

• Adnf upgrade
• Bdnf check-update
• Cdnf makecache
• Ddnf refresh

Which command extracts a gzipped tar archive named backup.tar.gz?

• Atar -xzf backup.tar.gz
• Btar -czf backup.tar.gz
• Ctar -tzf backup.tar.gz
• Dgzip -d backup.tar.gz | tar

Which command displays the first 20 lines of /var/log/syslog?

• Ahead -n 20 /var/log/syslog
• Btail -n 20 /var/log/syslog
• Chead -c 20 /var/log/syslog
• Dfirst -20 /var/log/syslog