201-450 Online Practice Questions and Answers

What information does the file modules.dep provide?

A. A list of all modules, compiled or not, that are available to the kernel.

B. A list of modules trusted by the installed kernel.

C. A list of devices and their module name.

D. A list of all compiled modules and their dependencies.

E. A list of modules the kernel needs to run.

A Linux server is running in single user mode for regular maintenance. Which commands are used to restore the server to its usual runlevel? (Choose TWO correct answers.)

A. telinit 0

B. shutdown -r now

C. sync

D. shutdown -h now

E. reboot

What is the minimum number of disks required in a fully redundant RAID5 array?

A. 1

B. 2

C. 3

D. 4

E. 5

A regular user, joe, has just run:

./configure andand make andand make install

to build and install a program. However, the installation fails. What could be done to install the program? (Choose TWO correct answers.)

A. Install the binaries manually with suinstall.

B. Run make install with root privileges.

C. Do not run ./configure in order to maintain the default configuration for correct installation.

D. Rerun ./configure with a --prefix option where the user has permissions to write.

E. Run make install_local to install into /usr/local/.

What does the -p3 option to the patch command do?

A. It will strip off path information from each file mentioned in the patch file up to and including the third / character.

B. patch continues execution as long as there are three or fewer errors.

C. It instructs patch to look up to three lines of context before or after the declared line in the original file for a match.

D. patch will keep three previous versions of each file in the output to prevent loss of change history.

E. It instructs patch to conform more strictly to the POSIX standard.

Which of the following commands restores only those files containing lpi in their name from the archive lpifiles.tar.gz?

A. tar xvzf lpifiles.tar.gz --wildcards `*lpi*'

B. tar xvzwf lpifiles.tar.gz `*lpi*'

C. tar -xvfz lpifiles.tar.gz --deep `*lpi*'

D. tar -xvzf lpifiles.tar.gz --subdirs `*lpi*'

E. tar xvzf lpifiles.tar.gz --globbing `*lpi*'

After configuring a new kernel, what file under /usr/src/linux/ contains the configuration?

Which command is used to unload a single module currently loaded by the kernel without unloading any modules that it depends upon? (Specify the command with or without path information)

After a lot of write operations, the administrator want to ensure that the kernel flushes the file system buffers to disk. Which command will accomplish this? (Specify ONLY the command without any path or parameters.)

Which command is used to create a ISO9660 filesystem? (Specify ONLY the command without any path or parameters.)