Lpi LPI Certifications 201-450 Questions & Answers

• Question 101:

  What command is used to make an exact copy, at a single point in time, of a logical volume for backup purposes?

  A. lvsnap

  B. lvsnapshot

  C. lvcreate

  D. lvcopy

  E. lvclone

  Correct Answer: C

• Question 102:

  Which RAID level value must be used with Linux software RAID in order to create an array of mirrored devices?

  A. 1

  B. 5

  C. 6

  D. container

  E. mirrorstripe

  Correct Answer: A

• Question 103:

  What mount option must be used in /etc/fstab when mounting an iSCSI target?

  A. _santarget

  B. iscsi

  C. waitiscsi

  D. _netdev

  Correct Answer: D

• Question 104:

  Which file in /proc contains information on the status of local software RAID devices?

  A. /proc/raidstat

  B. /proc/mdstat

  C. /proc/raidstatus

  D. /proc/mdstatus

  E. /proc/raid/status

  Correct Answer: B

• Question 105:

  Which two LVM commands are missing from the following sequence which is used to create a logical volume and make use of it on a Linux system?

  pvcreate, ___________, __________, mkfs, mount

  A. lvcreate, mdadm

  B. lvcreate, vgcreate

  C. lvmcreate, vgcreate

  D. vgcreate, lvcreate

  E. vgcreate, mdadm

  Correct Answer: D

• Question 106:

  Which of the following best describes the format of the /etc/fstab file?

  A. device name; filesystem type; mount point; mount options; dump filesystem; fsck order

  B. device name; mount point; filesystem type; mount options; dump filesystem; fsck order

  C. device name; mount point; mount options; filesystem type; dump filesystem; fsck order

  D. mount point; filesystem type; device name; mount options; dump filesystem; fsck order

  E. mount point; device name; filesystem type; mount options; dump filesystem; fsck order

  Correct Answer: B

• Question 107:

  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.

  Correct Answer: B

• Question 108:

  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

  Correct Answer: C

• Question 109:

  What is the purpose of the smartd daemon?

  A. It is a user space daemon used for reading smart cards and integrated circuit chips.

  B. It attempts to automatically repair file systems upon a failed file system check.

  C. It monitors process activity and helps the kernel decide which processes to kill when the kernel overcommits.

  D. It monitors certain disk drives and attempts to predict when they will fail.

  Correct Answer: D

• Question 110:

  What component of a system does smartd monitor?

  A. CPU

  B. RAM

  C. Hard drives

  D. Ethernet traffic

  Correct Answer: C