LX0-101 Online Practice Questions and Answers

What command with all options and/or parameters will send the signal USR1 to any executing process of program apache2?

An administrator has downloaded an image file of a boot floppy disk to a hard drive. What is the BEST utility to create a boot floppy from the disk image? (Specify a single command without options.)

To allow a regular user account to mount and unmount a filesystem (for instance, a cdrom or floppy), which of the following options will need to be added to the corresponding line in /etc/fstab?

A. nouidchk

B. alluser

C. user

D. auto

Which of the following RPM commands will output the name of the package which installed the file /etc/exports?

A. rpm -F /etc/exports

B. rpm -qf /etc/exports

C. rpm -Kl /etc/exports

D. rpm -qp /etc/exports

E. rpm -qi /etc/exports

Which of the following keys should an administrator press to switch to normal mode in vi?

A. Alt

B. Esc

C. Ctrl

D. Shift

The message "Hard Disk Error" is displayed on the screen during Stage 1 of the GRUB boot process. Which of the following does this indicate?

A. The kernel was unable to execute /bin/init

B. The next Stage cannot be read from the hard disk because GRUB was unable to determine the size and geometry of the disk

C. One or more of the filesystems on the hard disk has errors and a filesystem check should be run

D. The BIOS was unable to read the necessary data from the Master Boot Record to begin the boot process

An administrator is having some trouble with a disk partition and needs to do maintenance on this partition. The administrator's users home directories are on it and several are logged in. Which of the following commands would disconnect the users and allow the administrator to safely execute maintenance tasks?

A. telinit 1

B. shutdown -r now

C. killall -9 inetd

D. /bin/netstop --maint

E. /etc/rc.d/init.d/network stop

Which of the following command line redirection characters instructs the shell to read from the current input source until a specific word, on a separate line and without and trailing spaces, is reached?

A. <<

B. <|

C. !<

D. and<<

Which is the difference between the --remove and the --purge action with the dpkg command?

A. --remove only removes the program, --purge only removes the config files.

B. --remove removes the program, --purge also removes the config files.

C. --remove removes a package, --purge also removes all packages dependent on it.

D. --remove removes only the package file itself, --purge removes all files related to the package.

Which commands will print to standard out only the lines that do not begin with # (pound symbol) in the file foobar?

A. /bin/grep ^# foobar

B. /bin/grep #$ foobar

C. /bin/grep -v ^# foobar

D. /bin/grep -v #$ foobar