LX0-103 Online Practice Questions and Answers

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

A. Device IRQ settings

B. PCI bus speed

C. System battery type

D. Device vendor identification

E. Ethernet MAC address

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

A. bcast

B. mesg

C. print

D. wall

E. yell

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

A. kill -HUP $(pidof grub)

B. grub-install

C. grub

D. No action is required

A user accidentally created the subdirectory \dir in his home directory. Which of the following commands will remove that directory?

A. rmdir '~/\dir'

B. rmdir "~/\dir"

C. rmdir ~/'dir'

D. rmdir ~/\dir

E. rmdir ~/\\dir

Which of the following signals is sent to a process when the key combination CTRL+C is pressed on the keyboard?

A. SIGTERM

B. SIGINT

C. SIGSTOP

D. SIGKILL

After successfully creating a hard link called bar to the ordinary file foo, foo is deleted from the filesystem. Which of the following describes the resulting situation?

A. foo and bar would both be removed.

B. foo would be removed while bar would remain accessible.

C. foo would be removed. bar would still exist but would be unusable.

D. Both foo and bar would remain accessible.

E. The user is prompted whether bar should be removed, too.

Which of the following commands makes /bin/foo executable by everyone but writable only by its owner?

A. chmod u=rwx,go=rx /bin/foo

B. chmod o+rwx,a+rx /bin/foo

C. chmod 577 /bin/foo

D. chmod 775 /bin/foo

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

A. ext2

B. ext3

C. ext4

D. XFS

E. VFAT

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

path.)

Which signal is missing from the following command that is commonly used to instruct a daemon to reinitialize itself, including reading configuration files?

killall -s _______ daemon