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

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

Which of the following environment variables overrides or extends the list of directories holding shared libraries?

A. LD_LOAD_PATH

B. LD_LIB_PATH

C. LD_LIBRARY_PATH

D. LD_SHARE_PATH

E. LD_RUN_PATH

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 commands is used to change options and positional parameters for a running Bash?

A. history

B. set

C. bashconf

D. setsh

E. envsetup

Which of the following are valid stream redirection operators within Bash? (Choose THREE correct answers.)

A. <

B. <<<

C. >

D. >>>

E. %>

Which of the following commands will change the quota for a specific user?

A. edquota

B. repquota

C. quota -e

D. quota

Which file in the /proc filesystem lists parameters passed from the bootloader to the kernel? (Specify the file name only without any path.)

Which option to the yum command will update the entire system? (Specify ONLY the option name without

any additional parameters.)

Which Bash environment variable defines in which file the user history is stored when exiting a Bash process? (Specify ONLY the variable name.)