101.2

Question 1

Which of the following commands can be used to view the boot log?
A) journalctl
B) dmesg
C) systemctl
D) bootlog

Answer 1

B) dmesg

Question 2

What is the first stage of the Linux boot process?
A) GRUB
B) BIOS
C) Kernel initialization
D) Init

Answer 2

B) BIOS

Question 3

Which command can you use to update the GRUB configuration after editing the /etc/default/grub file?
A) grub2-update
B) grub-mkconfig
C) update-grub
D) grub-install

Answer 3

C) update-grub

Question 4

Which file contains information on the default runlevel in SysVinit systems?
A) /etc/inittab
B) /etc/init.d
C) /boot/grub/grub.cfg
D) /etc/default/grub

Answer 4

A) /etc/inittab

Question 5

Which command will display a summary of the system’s boot logs on a systemd-based Linux system?
A) journalctl -b
B) systemctl status
C) dmesg
D) bootlogctl

Answer 5

A) journalctl -b

Question 6

In GRUB2, which configuration file is usually edited to change boot parameters?
A) /boot/grub/grub.cfg
B) /etc/grub.d/40_custom
C) /etc/default/grub
D) /etc/grub.conf

Answer 6

C) /etc/default/grub

Question 7

Which command will reload the systemd manager configuration?
A) systemctl reload
B) systemctl daemon-reload
C) systemctl restart
D) systemctl enable

Answer 7

B) systemctl daemon-reload

Question 8

Which key combination should be used to enter GRUB boot menu during boot?
A) Shift
B) F2
C) ESC
D) Ctrl+Alt+Delete

Answer 8

A) Shift

Question 9

What is the role of the initramfs in the Linux boot process?
A) Load kernel modules
B) Manage system services
C) Load the bootloader
D) Check system file integrity

Answer 9

A) Load kernel modules

Question 10

Which command allows you to set the default target in systemd?
A) systemctl set-default
B) systemctl isolate
C) systemctl reboot
D) systemctl start

Answer 10

A) systemctl set-default

Question 11

What is the main purpose of the /boot partition?
A) Store user data
B) Store the bootloader and kernel
C) Store log files
D) Store the root filesystem

Answer 11

B) Store the bootloader and kernel

Question 12

Which runlevel corresponds to multi-user mode with networking in SysVinit?
A) 1
B) 3
C) 5
D) 6

Answer 12

B) 3

Question 13

Which file is read first by the GRUB bootloader?
A) /boot/grub/grub.cfg
B) /etc/grub.d/40_custom
C) /etc/default/grub
D) /boot/efi/grub.cfg

Answer 13

A) /boot/grub/grub.cfg

Question 14

Which systemd target is equivalent to runlevel 5 in SysVinit?
A) graphical.target
B) multi-user.target
C) rescue.target
D) reboot.target

Answer 14

A) graphical.target

Question 15

Which command reboots the system in systemd-based systems?
A) systemctl reboot
B) rebootctl
C) shutdown -r
D) systemctl restart

Answer 15

A) systemctl reboot

Question 16

Which of the following is the initial process that starts during the Linux boot process?
A) systemd
B) init
C) BIOS
D) kernel

Answer 16

D) kernel

Question 17

Which command can be used to change the runlevel on a SysVinit system?
A) init
B) systemctl set-default
C) telinit
D) runlevelctl

Answer 17

C) telinit

Question 18

Which key combination can be used to force the system to reboot?
A) Ctrl+Alt+Delete
B) Shift+F1
C) ESC+F10
D) Ctrl+Shift+R

Answer 18

A) Ctrl+Alt+Delete

Question 19

Where is the kernel file located on most Linux systems?
A) /boot
B) /etc
C) /var
D) /usr

Answer 19

A) /boot

Question 20

Which file contains boot parameters passed to the Linux kernel by GRUB?
A) /etc/default/grub
B) /boot/grub/grub.cfg
C) /etc/inittab
D) /etc/systemd/system.conf

Answer 20

B) /boot/grub/grub.cfg