Lpi 201-450 Online Practice Questions and Exam Preparation

Lpi 201-450 Online Questions & Answers

• Question 101:

  What effect does the -f option to the update-rc.d command have on files in the /etc/rcX.d/ and /etc/init.d/ directories?

  A. It will force the removal of the symlinks in /etc/rcX.d/ even when the links are read only
  B. It will remove both the symlinks in /etc/rcX.d/ and the init script in /etc/init.d/
  C. It will remove the init script in /etc/init.d/ and the symlinks in /etc/rcX.d/ and update the package information of installed files
  D. It will force the removal of symlinks in /etc/rcX.d/ even if the corresponding init script still exists in /etc/init.d/
  D. It will force the removal of symlinks in /etc/rcX.d/ even if the corresponding init script still exists in /etc/init.d/

• Question 102:

  Which of the following terms are used to describe 3.x kernel releases? (Choose TWO correct answers.)

  A. beta
  B. final
  C. longterm
  D. prerelease
  E. stable
  C. longterm
  E. stable

• Question 103:

  The following is an excerpt from the output of tcpdump -nli eth1 'udp':

  13:03:17.277327 IP 192.168.123.5.1065 > 192.168.5.112.53: 43653+ A? lpi.org. (25)

  13:03:17.598624 IP 192.168.5.112.53 > 192.168.123.5.1065: 43653 1/0/0 A 198.51.100.42 (41)

  Which network service or protocol was used?

  A. FTP
  B. HTTP
  C. SSH
  D. DNS
  E. DHCP
  D. DNS

• Question 104:

  Which one of these directories should not be backed up?

  A. /backup
  B. /etc
  C. /opt
  D. /proc
  E. /var/log
  D. /proc

• Question 105:

  The main configuration file for autofs has this entry: /home /etc/auto.home

  What is the meaning of the /etc/auto.home file?

  A. It has the indirect maps for the mounting of file systems.
  B. It has configuration information, such as passwords and keys, for the remote file server.
  C. It has configuration information on settings for the /home mount point.
  D. It is the holds the SSL key to allow authentication to the remote file server.
  A. It has the indirect maps for the mounting of file systems.

• Question 106:

  In this example output, which descriptions match the purpose of the free, buff and cache columns? (Choose THREE correct answers.) # vmstat 1 100 procs -----------memory---------- ---swap-- -----io---- --system-- ----cpu---r b swpd free buff cache si so bi bo in cs us sy id wa 0 0 0 282120 134108 5797012 0 0 0 2 0 0 0 0 100 0 0 0 0 282120 134108 5797012 0 0 0 0 1007 359 0 0 100 0 0 0 0 282120 134108 5797012 0 0 0 0 1117 577 0 0 100 0 0 0 0 282120 134108 5797012 0 0 0 0 1007 366 0 0 100 0

  A. Used swap space
  B. RAM available for filesystem buffers
  C. Available free RAM
  D. RAM used for buffers
  E. RAM used for filesystem cache
  C. Available free RAM
  D. RAM used for buffers
  E. RAM used for filesystem cache

• Question 107:

  The IDE hard drive /dev/hda does not have DMA enabled. Which command must be run to enable DMA on it?

  A. hdparm -d /dev/hda
  B. hdparm --dma /dev/hda
  C. hdparm --dma /dev/hda1
  D. hdparm -d /dev/hda1
  E. hdparm -d 1 /dev/hda
  E. hdparm -d 1 /dev/hda

• Question 108:

  Where would fsck put any unreferenced file or file fragments on a ext4 filesystem?

  A. recover
  B. lost+found
  C. back
  D. lost
  B. lost+found

• Question 109:

  Under which of the following circumstances would the command ping output the string (DUP!)?

  A. When the ICMP packets are send to a broadcast address and multiple hosts respond.
  B. When the host being sent ICMP packets is on a different network.
  C. When the router responds to the ICMP packet in addition to the host receiving the ICMP packets.
  D. When the host sending the ICMP packet is the same host as the one receiving the ICMP packets.
  A. When the ICMP packets are send to a broadcast address and multiple hosts respond.

• Question 110:

  Which program lists information about files and network connections opened by processes? (Specify ONLY the command without any path or parameters.)

  lsof