Lpi 201-450 Online Practice Questions and Exam Preparation

Lpi 201-450 Online Questions & Answers

• Question 11:

  Which directory contains system-specific systemd unit files? (Specify the full path to the directory.)

  /lib/systemd/system

• Question 12:

  After changing the default runlevel in the SysV-init configuration file, the system boots in a different than intended runlevel. Where else could this different runlevel be defined?

  A. In the /etc/sysctl.conf
  B. In the boot loader configuration file
  C. In the /etc/runlevel file
  D. In the /boot/initramfs file
  E. In the /etc/rc.d/rc.local file
  B. In the boot loader configuration file

• Question 13:

  What is the main template file used by autofs?

  A. default.maps
  B. auto.conf
  C. auto.master
  D. autofs.master
  C. auto.master

• Question 14:

  What information is found in the following excerpt from the file /proc/mdstat? (Choose two.)

  

  A. One of the disks in /dev/md0 has failed and a spare disk is used to recreate full redundancy
  B. The spare disk /dev/sda1 is used to restore full redundancy after the current recovery
  C. The information [UU_] means, that the raid is missing one disk and is not fully redundant
  D. The device is using version 1.2 metadata to allow LILO and GRUB Legacy to use /dev/md0 as the boot partition. This would not have been necessary with GRUB2
  E. The information [3/2] means that 3 RAID disks belong to the array and 2 disks are spare. Together they equal the number of available disks
  A. One of the disks in /dev/md0 has failed and a spare disk is used to recreate full redundancy
  C. The information [UU_] means, that the raid is missing one disk and is not fully redundant

• Question 15:

  Which of the filter keywords below could be used in the following command:

  tcpdump -i eth0 ____________ 203.0.113.8 (Choose three.)

  A. host
  B. ip
  C. src
  D. dst
  E. ipv6
  A. host
  C. src
  D. dst

• Question 16:

  What is the purpose of the command vgextend?

  A. Extend a volume group's footprint on disk.
  B. Add physical volumes to an existing volume group.
  C. Increase the number of days between scheduled error checking.
  D. Create a volume group which uses all available space on disk.
  B. Add physical volumes to an existing volume group.

• Question 17:

  Which of the following wireless tools can be used to check the wireless network link quality? (Choose TWO correct answers.)

  A. iwconfig
  B. iwlink
  C. iwscan
  D. iwifi
  E. iw
  A. iwconfig
  E. iw

• Question 18:

  Which command turns an existing ext2 filesystem non-destructively into an ext3 filesystem? (Specify ONLY the command without any path or parameters.)

  /sbin/tune2fs

• Question 19:

  Due to extreme system use, a Linux system requires some additional swap space. To initialize 5GB of additional swap space, which combination of commands should be used?

  A. dd if=/dev/zero of=/tmp/swapfile bs=1024 count=5120000; mkswap /tmp/swapfile; mount /tmp/swapfile
  B. dd if=/dev/zero of=/tmp/swapfile bs=1024 count=5120000; swapon /tmp/swapfile
  C. dd if=/dev/zero of=/tmp/swapfile bs=1024 count=5120000; mkswap /tmp/swapfile; swapon /tmp/swapfile
  D. touch -5G /tmp/swapfile; swapon /tmp/swapfile
  E. mkswap /tmp/swapfile 512000; swapon /tmp/swapfile
  C. dd if=/dev/zero of=/tmp/swapfile bs=1024 count=5120000; mkswap /tmp/swapfile; swapon /tmp/swapfile

• Question 20:

  Which of the following commands erases the contents of the /dev/sdb3 partition?

  A. rm /dev/sdb3
  B. dd if=/dev/zero of=/dev/sdb3
  C. dd of=/dev/zero if=/dev/sdb3
  D. umount /dev/sdb3
  B. dd if=/dev/zero of=/dev/sdb3