Lpi 201-450 Online Practice Questions and Exam Preparation

Lpi 201-450 Online Questions & Answers

• Question 111:

  What is the purpose of the command udevadm monitor?

  A. It listens to kernel events produced by a udev rule and print information to the console.
  B. It monitors the /dev directory for new devices.
  C. It monitors the udev process and prints performance statistics to the console.
  D. It communicates with D-Bus to setup new devices.
  A. It listens to kernel events produced by a udev rule and print information to the console.

• Question 112:

  Which command is used to make an exact copy, at a single point in time, of a logical volume while still allowing the original logical volume to be updated?

  A. lvcclone
  B. lvcreate
  C. lvm2
  D. lvsnap
  E. lvsnapshot
  B. lvcreate

• Question 113:

  Which of the following commands restores only those files containing lpi in their name from the archive lpifiles.tar.gz?

  A. tar xvzf lpifiles.tar.gz --wildcards `*lpi*'
  B. tar xvzwf lpifiles.tar.gz `*lpi*'
  C. tar -xvfz lpifiles.tar.gz --deep `*lpi*'
  D. tar -xvzf lpifiles.tar.gz --subdirs `*lpi*'
  E. tar xvzf lpifiles.tar.gz --globbing `*lpi*'
  A. tar xvzf lpifiles.tar.gz --wildcards `*lpi*'

• Question 114:

  Which of the following commands displays the physical path of the kernel module named dummy?

  A. modprobe –i dummy
  B. modinfo –n dummy
  C. modpath –v dummy
  D. depmod –n dummy
  E. modshow –p dummy
  B. modinfo –n dummy

• Question 115:

  Which keyword is used in the /etc/inittab file to define the SysV-init default system runlevel?

  initdefault

• Question 116:

  Which of the following commands can be used to script interactions with various TCP or UDP services?

  A. ftp
  B. nc
  C. tcpdump
  D. strings
  E. wget
  B. nc

• Question 117:

  How can the kernel parameter for the maximum size of the shared memory segment (shmmax) be changed to 2GB (2147483648 Bytes) on a running system? (Choose TWO correct answers.)

  A. Edit /etc/shmmax and set the parameter to 2147483648.
  B. sysctl shmmax=2147483648
  C. sysctl kernel.shmmax=2147483648
  D. echo 2147483648 > /proc/sys/kernel/shmmax
  E. export kernel.shmmax=2147483648
  C. sysctl kernel.shmmax=2147483648
  D. echo 2147483648 > /proc/sys/kernel/shmmax

• Question 118:

  Which directory in /dev/disk/ can be used to determine the UUID of a connected hard disk?

  /dev/disk/by-uuid

• Question 119:

  Which of the following is a side effect of extensive usage of swap space?

  A. The root filesystem may become full because swap space is always located on the system root partition.
  B. The overall system performance may degrade because of heavy hard disk use and memory reorganization.
  C. Since processes always exist completely in either RAM or swap, regular RAM may become unused if the kernel does not move processes back from the swap space to memory.
  D. The memory may become fragmented and slow down the access to memory pages. However, this can be kept to a minimum by the regular use of memfrag -d.
  E. Applications need to restart because their virtual memory addresses change to reflect memory relocation to the swap address area.
  B. The overall system performance may degrade because of heavy hard disk use and memory reorganization.

• Question 120:

  A server requires a GRUB2 boot option which will always boot to runlevel 1. Which line of a GRUB2 configuration file starts the beginning of the settings needed to make this new choice available?

  A. initrd
  B. linux
  C. menuentry
  D. runlevel
  B. linux