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

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What is the purpose of an initramfs during the Linux system start?
Which file in /proc contains information on the status of local software RAID devices?
What are the main network services used by the PXE protocol? (Choose TWO correct answers.)
Fill in the blank: What is the device name for the first SCSI tape drive on a system when used without automatic rewinding after each write operation? (Please specify the full path to the device.)
Where would fsck put any unreferenced file or file fragments on a ext4 filesystem?
Which of the following commands restores only those files containing lpi in their name from the archive lpifiles.tar.gz?
A system has one hard disk and one CD writer which are both connected to SATA controllers. Which device represents the CD writer?
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?
In the following output, the load averages represent the system load averages for what time frames? 12:10:05 up 18 days, 19:00, 2 users, load average: 0.47, 24.71, 35.31
Fill in the blank: Which directory contains system-specific systemd unit files? (Specify the full path to the directory.)

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?

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

Question 82

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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
A.
device name; filesystem type; mount point; mount options; dump filesystem; fsck order
Answers
B.
device name; mount point; filesystem type; mount options; dump filesystem; fsck order
B.
device name; mount point; filesystem type; mount options; dump filesystem; fsck order
Answers
C.
device name; mount point; mount options; filesystem type; dump filesystem; fsck order
C.
device name; mount point; mount options; filesystem type; dump filesystem; fsck order
Answers
D.
mount point; filesystem type; device name; mount options; dump filesystem; fsck order
D.
mount point; filesystem type; device name; mount options; dump filesystem; fsck order
Answers
E.
mount point; device name; filesystem type; mount options; dump filesystem; fsck order
E.
mount point; device name; filesystem type; mount options; dump filesystem; fsck order
Answers
Suggested answer: B

Question 83

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

A.
relabel /dev/sda1 root
A.
relabel /dev/sda1 root
Answers
B.
tune2fs -L root /dev/sda1
B.
tune2fs -L root /dev/sda1
Answers
C.
echo 'root' > /proc/fs/sda1/label
C.
echo 'root' > /proc/fs/sda1/label
Answers
D.
labelfs --device /dev/sda1 root
D.
labelfs --device /dev/sda1 root
Answers
Suggested answer: B

Question 84

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

A.
OSI9660
A.
OSI9660
Answers
B.
ISO9660
B.
ISO9660
Answers
C.
SR0FS
C.
SR0FS
Answers
D.
ISO8859
D.
ISO8859
Answers
E.
ROM-EO
E.
ROM-EO
Answers
Suggested answer: B

Question 85

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What component of a system does smartd monitor?

A.
CPU
A.
CPU
Answers
B.
RAM
B.
RAM
Answers
C.
Hard drives
C.
Hard drives
Answers
D.
Ethernet traffic
D.
Ethernet traffic
Answers
Suggested answer: C

Question 86

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

A.
recover
A.
recover
Answers
B.
lost+found
B.
lost+found
Answers
C.
back
C.
back
Answers
D.
lost
D.
lost
Answers
Suggested answer: B

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?

A.
It has the indirect maps for the mounting of file systems.
A.
It has the indirect maps for the mounting of file systems.
Answers
B.
It has configuration information, such as passwords and keys, for the remote file server.
B.
It has configuration information, such as passwords and keys, for the remote file server.
Answers
C.
It has configuration information on settings for the /home mount point.
C.
It has configuration information on settings for the /home mount point.
Answers
D.
It is the holds the SSL key to allow authentication to the remote file server.
D.
It is the holds the SSL key to allow authentication to the remote file server.
Answers
Suggested answer: A

Question 88

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

A.
/proc/raidstat
A.
/proc/raidstat
Answers
B.
/proc/mdstat
B.
/proc/mdstat
Answers
C.
/proc/raidstatus
C.
/proc/raidstatus
Answers
D.
/proc/mdstatus
D.
/proc/mdstatus
Answers
E.
/proc/raid/status
E.
/proc/raid/status
Answers
Suggested answer: B

Question 89

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

A.
mdadm --remove /dev/md0 /dev/sdd1
A.
mdadm --remove /dev/md0 /dev/sdd1
Answers
B.
mdadm --zero-superblock /dev/sdf3
B.
mdadm --zero-superblock /dev/sdf3
Answers
C.
mdadm --force-fault /dev/md2 /dev/sde2
C.
mdadm --force-fault /dev/md2 /dev/sde2
Answers
D.
mdadm --fail /dev/md0 /dev/sdc1
D.
mdadm --fail /dev/md0 /dev/sdc1
Answers
E.
mdadm /dev/md0 --offline /dev/sdc1
E.
mdadm /dev/md0 --offline /dev/sdc1
Answers
Suggested answer: D

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?

A.
1
A.
1
Answers
B.
5
B.
5
Answers
C.
6
C.
6
Answers
D.
container
D.
container
Answers
E.
mirrorstripe
E.
mirrorstripe
Answers
Suggested answer: A
Total 161 questions
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