Lpi LPI Certifications 117-202 Questions & Answers

• Question 221:

  What does the following procmail configuration section do?

  :0fw

  *

  < 256000 | /usr/bin/foo

  A.

  procmail sends all email older than 256000 seconds to the external program foo

  B.

  If an email contains a value less than 256000 anywhere within it, procmail will process the email with the program foo

  C.

  procmail sends mail containing less than 256000 words to program foo

  D.

  The program foo is used instead of procmail for all emails larger than 256000 Bytes

  E.

  If the email smaller than 256000 Bytes, procmail will process it with the program foo

  Correct Answer: E

• Question 222:

  Journalling doesn't appear to be working on an ext3 file-system. When booting, the following line appears:

  VFS: Mounted root (ext2 filesystem) readonly. What could be causing the problem?

  A. An old version of e2fsprogs is installed.

  B. The kernel does not contain ext3 support.

  C. The file-system is specified as ext2 in/etc/fstab.

  D. The system was not shut down cleanly.

  Correct Answer: B

• Question 223:

  What is the name of the dovecot configuration variable that specifies the location of user mail?

  A. mbox

  B. mail_location

  C. user_dir

  D. maildir

  E. user_mail_dir

  Correct Answer: B

• Question 224:

  A GRUB boot loader installed in the MBR was accidentally overwritten. After booting with a rescue CDROM, how can the lost GRUB first stage loader be recovered?

  A. Use dd to restore a previous backup of the MBR

  B. Install LILO since there is no easy way to recover GRUB

  C. Running mformat will create a new MBR and fix GRUB using info from grub.conf

  D. Run grub-install after verifying that grub.conf is correct.

  E. Run fdisk --mbr /dev/had assuming that the boot harddisk is /dev/hda.

  Correct Answer: D

• Question 225:

  Why is the root file system mounted read-only during boot and remounted with write permission later on?

  A. Because if problems with the root file system are detected during the boot, fsck can be run, without risk of damage.

  B. Because this way crackers cannot collect information about root with boot sniffers

  C. To avoid writing to the disk, unless the root password is known.

  D. To avoid other operating systems overwriting the Linux root partition

  E. Because the disk has its own write protection that cannot change by the operating system.

  Correct Answer: A

• Question 226:

  When bash is invoked as an interactive login shell, which of the following sentences is true?

  A. It first reads and executes commands in /etc/profile and then does same for ~/.bash_profile and ~/ .bashrc

  B. It first reads and executes commands in /etc/bashrc and then does same for /etc/profile

  C. It reads and executes commands in ~/.bashrc only if /etc/profile or another initialization script calls it.

  D. It ignores /etc/profile and only reads and executes commands in ~/.bashrc

  E. It first reads and executes commands in /etc/profile and then does same for ~/.bash_profile, ~/ .bash_login and ~/.profile

  Correct Answer: C

• Question 227:

  Messages from programs are not appearing in the user's native language. What environment variable must be set for this to happen?

  A. LANG

  B. I18N

  C. MESSAGES

  D. MSGS

  E. LC_MSGS

  Correct Answer: A

• Question 228:

  Where should the LILO code reside, on a system with only one installation of Linux and no other operating systems?

  A. In the master boot record

  B. In the boot sector

  C. In the /boot directory

  D. At the start of the kernel

  Correct Answer: A

• Question 229:

  During which stage of the boot process would this message be seen?

  ide_setup:hdc=ide-scsi

  A. Boot loader start and hand off to kernel

  B. Kernel loading

  C. Hardware initialization and setup

  D. Daemon initialization and setup

  Correct Answer: B

• Question 230:

  What happens when the Linux kernel can't mount the root filesystem when booting?

  A. An error message is shown, showing which device couldn't be mounted or informing that init couldn't be found.

  B. An error message is shown and the system reboots after a keypress.

  C. An error message is shown and the system boots in maintenance mode.

  D. An error message is shown and the administrator is asked to specify a valid root filesystem to continue the boot process.

  E. An error message is shown, stating that the corresponding kernel module couldn't be loaded.

  Correct Answer: A