Lpi 201-450 Online Practice Questions and Exam Preparation

Lpi 201-450 Online Questions & Answers

• Question 81:

  During booting, when the Linux kernel loads an initramfs file, which command from the initramfs will be executed first, if present?

  A. /init
  B. /initrd
  C. /linuxrc
  D. /rc.local
  E. /sbin/init
  A. /init

• Question 82:

  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?

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

• Question 83:

  After the downloading patch-4.6.4.xz from http://kernel.org, what are the next steps to prepare the build of a version 4.6.4 Linux kernel? (Choose two.)

  A. Uncompress the file and move the resulting directory to /usr/src/linux
  B. Apply the patch file to the kernel source directory containing kernel version 4.6.0
  C. Apply the patch file to the kernel source directory containing kernel version 4.6.3
  D. Uncompress the file using xz to get the uncompressed patch file
  E. Use patch to apply the uncompressed patch file to the source directory of any previous kernel version
  D. Uncompress the file using xz to get the uncompressed patch file
  E. Use patch to apply the uncompressed patch file to the source directory of any previous kernel version

• Question 84:

  What command ensures that the file systems are written to disk after a lot of write operations? (Specify ONLY the command without any path or parameters.)

  sync

• Question 85:

  What command will remove a physical volume from a volume group? (Specify ONLY the command without any path or parameters.)

  vgreduce

• Question 86:

  Which is the main configuration file for the SystemV init process? (Specify the full name of the file, including path.)

  /etc/inittab

• Question 87:

  A new kernel version needs to be compiled to use a new feature. If the old kernel configuration file is available, which make target creates a configuration file for the new kernel based on the configuration of the old kernel?

  oldconfig

• Question 88:

  Which commands below are useful to collect data about remote filesystem connections? (Choose TWO correct answers.)

  A. pidstat
  B. nfsiostat
  C. sadf
  D. cifsiostat
  B. nfsiostat
  D. cifsiostat

• Question 89:

  Considering the following kernel IP routing table below, which of the following commands must be used to remove the route to the network 10.10.1.0/24? (Select TWO answers)

  Kernel IP routing table

  Destination Gateway Genmask Flags Metric Ref Use Iface

  203.0.113.162 0.0.0.0 255.255.255.255 UH 0 0 0 ppp0

  172.16.87.0 0.0.0.0 255.255.255.0 U 0 0 0 eth0

  192.168.246.0 0.0.0.0 255.255.255.0 U 0 0 0 eth1

  10.10.1.0 192.168.246.11 255.255.255.0 UG 0 0 0 eth1

  127.0.0.0 0.0.0.0 255.0.0.0 U 0 0 0 lo

  0.0.0.0 203.0.113.162 0.0.0.0 UG 0 0 0 ppp0

  A. ip net delete 10.10.1.0/24
  B. route del 10.10.1.0/24
  C. route del -net 10.10.1.0/24
  D. route del 10.10.1.0/24 gw 192.168.246.11
  E. ip route delete 10.10.1.0/24
  C. route del -net 10.10.1.0/24
  E. ip route delete 10.10.1.0/24

• Question 90:

  What command is used to send messages to all users currently logged in? (Specify ONLY the command without any path or parameters.)

  wall