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Q41. - (Topic 6)
What is incorrect about these entries in /etc/hosts which could be causing host name lookup problems with host2?
A. Two host names are using the same IP address.
B. The server doing the query is on a different subnet.
C. The fields are out of order.
D. host2 is not a fully qualified domain name.
Q42. - (Topic 3)
Where is the LILO boot loader code typically installed on a system with only a single Linux installation 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.
Q43. - (Topic 7)
A regular user, joe, has just run:
./configure && make && 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/.
Q44. - (Topic 4)
Which of the following is a CD-ROM filesystem standard?
Topic 5, Advanced Storage Device Administration
66. - (Topic 5)
Which single command will simulate a failed device within a RAID 5 array?
A. mdadm --remove /dev/md0 /dev/sdd1
B. mdadm --zero-superblock /dev/sdf3
C. mdadm --force-fault /dev/md2 /dev/sde2
D. mdadm --fail /dev/md0 /dev/sdc1
E. mdadm /dev/md0 --offline /dev/sdc1
Q45. - (Topic 6)
The following is an excerpt from the output of tcpdump -nli eth1:
13:03:17.277327 IP 192.168.123.5.1065 > 192.168.5.112.21: Flags [.], ack 1 (truncated)
13:03:17.598624 IP 192.168.5.112.21 > 192.168.123.5.1065: Flags [P.], seq (truncated)
Which network service or protocol was used?
Q46. - (Topic 1)
What option in the collectd configuration file is required in order to define what to start monitoring?
Q47. - (Topic 3)
What happens if the Linux kernel can't mount the root filesystem when booting?
A. An error message is shown and the administrator is asked by the kernel to specify a valid root filesystem to continue the boot process.
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 showing which device couldn't be mounted or informing that init couldn't be found.
E. An error message is shown stating that the corresponding kernel module couldn't be loaded.
Q48. - (Topic 8)
Which two utilities can you use to set up a job to run at a specified time?
A. at and crond
B. atrun and crontab
C. at and crontab
D. atd and crond
Explanation: The ‘at’ command is used to execute commands at a specified time and optional date.
A cron job is a program or script scheduled at a specified time. The ‘crontab’ program is used to create user cron jobs.
Reference: http://www.oreillynet.com/linux/cmd/a/at.html http://www.oreillynet.com/linux/cmd/c/crontab.html
Q49. CORRECT TEXT - (Topic 7)
What is the device name for the first SCSI tape drive on a system when used without automatic rewinding after each write operation? (Please specify the full path to the device.)
Q50. - (Topic 6)
What should be done after updating the configuration file for syslogd in order to make the changes become effective? (Choose TWO correct answers.)
A. No action is required, syslogd will notice the updated configuration file after a few minutes.
B. Send the HUP signal to the syslogd process.
C. Restart the syslogd service.
D. Run the command syslogd -u.