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LPI 201-450 Practice Test - Questions Answers, Page 9

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Question 81

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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?

dd if=/dev/zero of=/tmp/swapfile bs=1024 count=5120000; mkswap /tmp/swapfile; mount/tmp/swapfile
dd if=/dev/zero of=/tmp/swapfile bs=1024 count=5120000; mkswap /tmp/swapfile; mount/tmp/swapfile
dd if=/dev/zero of=/tmp/swapfile bs=1024 count=5120000; swapon /tmp/swapfile
dd if=/dev/zero of=/tmp/swapfile bs=1024 count=5120000; swapon /tmp/swapfile
dd if=/dev/zero of=/tmp/swapfile bs=1024 count=5120000; mkswap /tmp/swapfile; swapon/tmp/swapfile
dd if=/dev/zero of=/tmp/swapfile bs=1024 count=5120000; mkswap /tmp/swapfile; swapon/tmp/swapfile
touch -5G /tmp/swapfile; swapon /tmp/swapfile
touch -5G /tmp/swapfile; swapon /tmp/swapfile
mkswap /tmp/swapfile 512000; swapon /tmp/swapfile
mkswap /tmp/swapfile 512000; swapon /tmp/swapfile
Suggested answer: C
asked 18/09/2024
Nisanka Mandara
39 questions

Question 82

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

device name; filesystem type; mount point; mount options; dump filesystem; fsck order
device name; filesystem type; mount point; mount options; dump filesystem; fsck order
device name; mount point; filesystem type; mount options; dump filesystem; fsck order
device name; mount point; filesystem type; mount options; dump filesystem; fsck order
device name; mount point; mount options; filesystem type; dump filesystem; fsck order
device name; mount point; mount options; filesystem type; dump filesystem; fsck order
mount point; filesystem type; device name; mount options; dump filesystem; fsck order
mount point; filesystem type; device name; mount options; dump filesystem; fsck order
mount point; device name; filesystem type; mount options; dump filesystem; fsck order
mount point; device name; filesystem type; mount options; dump filesystem; fsck order
Suggested answer: B
asked 18/09/2024
Marcin Weglarski
38 questions

Question 83

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How can the label root be added to the ext4 filesystem on /dev/sda1?

relabel /dev/sda1 root
relabel /dev/sda1 root
tune2fs -L root /dev/sda1
tune2fs -L root /dev/sda1
echo 'root' > /proc/fs/sda1/label
echo 'root' > /proc/fs/sda1/label
labelfs --device /dev/sda1 root
labelfs --device /dev/sda1 root
Suggested answer: B
asked 18/09/2024
Miguel Bakker
30 questions

Question 84

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Which of the following is a CD-ROM filesystem standard?

OSI9660
OSI9660
ISO9660
ISO9660
SR0FS
SR0FS
ISO8859
ISO8859
ROM-EO
ROM-EO
Suggested answer: B
asked 18/09/2024
Tym Dom
41 questions

Question 85

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What component of a system does smartd monitor?

CPU
CPU
RAM
RAM
Hard drives
Hard drives
Ethernet traffic
Ethernet traffic
Suggested answer: C
asked 18/09/2024
Balazs Jarmy
48 questions

Question 86

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

recover
recover
lost+found
lost+found
back
back
lost
lost
Suggested answer: B
asked 18/09/2024
Tim Wersinger
42 questions

Question 87

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The main configuration file for autofs has this entry:

/home /etc/auto.home

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

It has the indirect maps for the mounting of file systems.
It has the indirect maps for the mounting of file systems.
It has configuration information, such as passwords and keys, for the remote file server.
It has configuration information, such as passwords and keys, for the remote file server.
It has configuration information on settings for the /home mount point.
It has configuration information on settings for the /home mount point.
It is the holds the SSL key to allow authentication to the remote file server.
It is the holds the SSL key to allow authentication to the remote file server.
Suggested answer: A
asked 18/09/2024
Hasan Elmas
51 questions

Question 88

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

/proc/raidstat
/proc/raidstat
/proc/mdstat
/proc/mdstat
/proc/raidstatus
/proc/raidstatus
/proc/mdstatus
/proc/mdstatus
/proc/raid/status
/proc/raid/status
Suggested answer: B
asked 18/09/2024
Wessel Beulink
37 questions

Question 89

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Which single command will simulate a failed device within a RAID 5 array?

mdadm --remove /dev/md0 /dev/sdd1
mdadm --remove /dev/md0 /dev/sdd1
mdadm --zero-superblock /dev/sdf3
mdadm --zero-superblock /dev/sdf3
mdadm --force-fault /dev/md2 /dev/sde2
mdadm --force-fault /dev/md2 /dev/sde2
mdadm --fail /dev/md0 /dev/sdc1
mdadm --fail /dev/md0 /dev/sdc1
mdadm /dev/md0 --offline /dev/sdc1
mdadm /dev/md0 --offline /dev/sdc1
Suggested answer: D
asked 18/09/2024
TRONG KY
51 questions

Question 90

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

1
1
5
5
6
6
container
container
mirrorstripe
mirrorstripe
Suggested answer: A
asked 18/09/2024
JIMMY GIOVANNY VARGAS TERAN
35 questions
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