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



A.      Boot loader start and hand off to kernel

B.      Kernel loading

C.      Hardware initialization and setup

D.      Daemon initialization and setup

Answer: B


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 befound.

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 theboot process.

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

Answer: A


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


D.      MSGS

E.       LC_MSGS

Answer: A


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_loginand ~/.profile

Answer: C


Why the root file system is 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 ofdamage.

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.

Answer: A


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.

Answer: D


All machines outside the network are able to send emails through the server to addresses not served by that server. If the server accepts and delivers the email, then it is a(n) _______________.

Answer: open email relay


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.

Answer: B


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

Answer: B


What is the missing keyword in the following configuration sample for dovecot which defines which authentication types to support? (Specify only the

keywork) auth default {

______ = plain login cram-md5



A.      auth_order

B.      mechanisms

C.      methods

D.      supported

Answer: B



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