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LPI 201-450 Practice Test - Questions Answers, Page 3

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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?
Which command is used to install a new LILO boot loader?
Which files are updated as devices are mounted and unmounted to provide information on the currently mounted devices and the options used? (Choose TWO correct answers.)
Which of the following commands restores only those files containing lpi in their name from the archive lpifiles.tar.gz?
Where would fsck put any unreferenced file or file fragments on a ext4 filesystem?
What is the purpose of a system mount unit?
Which one of these directories should not be backed up?
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.)
The following command has just been run successfully: cd /opt; tar xvf /dev/nst0; What will happen if the command sequence is run again?

Question 21

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After configuring a new kernel, what file under /usr/src/linux/ contains the configuration?

A.
/usr/src/linux/.config,.config
A.
/usr/src/linux/.config,.config
Answers
Suggested answer: A
asked 18/09/2024
Victor Chacon
34 questions

Question 22

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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.
A.
Edit /etc/shmmax and set the parameter to 2147483648.
Answers
B.
sysctl shmmax=2147483648
B.
sysctl shmmax=2147483648
Answers
C.
sysctl kernel.shmmax=2147483648
C.
sysctl kernel.shmmax=2147483648
Answers
D.
echo 2147483648 > /proc/sys/kernel/shmmax
D.
echo 2147483648 > /proc/sys/kernel/shmmax
Answers
E.
export kernel.shmmax=2147483648
E.
export kernel.shmmax=2147483648
Answers
Suggested answer: C, D
asked 18/09/2024
Slawomir Marcjanski
28 questions

Question 23

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What is the correct parameter to pass to the kernel at boot time to force it to use only one of the available processors?

A.
maxcpus=1
A.
maxcpus=1
Answers
B.
usecpus=1
B.
usecpus=1
Answers
C.
smpcpus=1
C.
smpcpus=1
Answers
D.
vcpumx=1
D.
vcpumx=1
Answers
Suggested answer: A
asked 18/09/2024
Musaddiq Shorunke
44 questions

Question 24

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Which commands are used to load modules into the Linux kernel? (Choose TWO correct answers.)

A.
insmod
A.
insmod
Answers
B.
loadmod
B.
loadmod
Answers
C.
kernload
C.
kernload
Answers
D.
modprobe
D.
modprobe
Answers
E.
probemod
E.
probemod
Answers
Suggested answer: A, D
asked 18/09/2024
Matt Harrold
44 questions

Question 25

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Which directory contains the system-specific udev rule files? (Specify the absolute path including the directory name)

A.
/etc/udev/rules.d,/etc/udev/rules.d/
A.
/etc/udev/rules.d,/etc/udev/rules.d/
Answers
Suggested answer: A
asked 18/09/2024
Martijn Pollmann
36 questions

Question 26

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What is a key difference between a zImage and bzImage kernel image?

A.
zImage is compressed using gzip, bzImage is compressed using bzip2.
A.
zImage is compressed using gzip, bzImage is compressed using bzip2.
Answers
B.
zImage is for 2.6 series kernels, bzImage is for 3.x series kernels.
B.
zImage is for 2.6 series kernels, bzImage is for 3.x series kernels.
Answers
C.
zImage is limited to 64k, bzImage has no such restriction.
C.
zImage is limited to 64k, bzImage has no such restriction.
Answers
D.
zImage gets loaded completely into low memory. bzImage will load into high memory once low memory is full.
D.
zImage gets loaded completely into low memory. bzImage will load into high memory once low memory is full.
Answers
Suggested answer: D
asked 18/09/2024
Carlos Eduardo Araujo Fonseca
38 questions

Question 27

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Which of the following command sequences can be used to extract files contained in a initramfs file

(/boot/initramfs) which is used by the kernel at boot time?

A.
cp /boot/initramfs /tmp/initramfs.gz; gzip -c /tmp/initramfs.gz; mkdir /tmp/initramfs.dir ; cd/tmp/initramfs.dir ; cpio -i < /tmp/initramfs
A.
cp /boot/initramfs /tmp/initramfs.gz; gzip -c /tmp/initramfs.gz; mkdir /tmp/initramfs.dir ; cd/tmp/initramfs.dir ; cpio -i < /tmp/initramfs
Answers
B.
cp /boot/initramfs /tmp/initramfs.gz; gunzip /tmp/initramfs.gz; mkdir /tmp/initramfs.dir ; cd/tmp/initramfs.dir ; cpio -i < /tmp/initramfs
B.
cp /boot/initramfs /tmp/initramfs.gz; gunzip /tmp/initramfs.gz; mkdir /tmp/initramfs.dir ; cd/tmp/initramfs.dir ; cpio -i < /tmp/initramfs
Answers
C.
cp /boot/initramfs /tmp/initramfs.gz; gunzip /tmp/initramfs.gz; mount /tmp/initramfs /mnt/ -o loop -t initramfs
C.
cp /boot/initramfs /tmp/initramfs.gz; gunzip /tmp/initramfs.gz; mount /tmp/initramfs /mnt/ -o loop -t initramfs
Answers
D.
cp /boot/initramfs /tmp/initramfs.gz; gunzip /tmp/initramfs.gz; mkdir /tmp/initramfs.dir ; cd/tmp/initramfs.dir ; cpio -e /tmp/initramfs
D.
cp /boot/initramfs /tmp/initramfs.gz; gunzip /tmp/initramfs.gz; mkdir /tmp/initramfs.dir ; cd/tmp/initramfs.dir ; cpio -e /tmp/initramfs
Answers
E.
cp /boot/initramfs /tmp/initramfs.gz; gunzip /tmp/initramfs.gz; mount /tmp/initramfs /mnt/ -o loop -t initrd
E.
cp /boot/initramfs /tmp/initramfs.gz; gunzip /tmp/initramfs.gz; mount /tmp/initramfs /mnt/ -o loop -t initrd
Answers
Suggested answer: B
asked 18/09/2024
Cesar Castillo
31 questions

Question 28

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On a server running the 3.4.50-11 Linux kernel, which file in the /boot directory contains the kernel configuration parameters?

A.
config-linux-3.4.50-11
A.
config-linux-3.4.50-11
Answers
B.
config-3.4.50-11
B.
config-3.4.50-11
Answers
C.
system-3.4.50-11
C.
system-3.4.50-11
Answers
D.
vmlinuz-3.4.50-11
D.
vmlinuz-3.4.50-11
Answers
E.
rc.config-3.4.50-11
E.
rc.config-3.4.50-11
Answers
Suggested answer: B
asked 18/09/2024
Karol Ligeza
37 questions

Question 29

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Which archive format is used to create an initramfs image?

A.
gzip
A.
gzip
Answers
B.
tar
B.
tar
Answers
C.
RAR
C.
RAR
Answers
D.
cpio
D.
cpio
Answers
E.
bzip2
E.
bzip2
Answers
Suggested answer: D
asked 18/09/2024
Yannik Huith blu Systems GmbH
31 questions

Question 30

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A database application requires a maximum shared memory segment (shmmax) of 2GB (2147483648 Bytes). Which configuration file should be modified to set this kernel parameter permanently?

(Specify the full name of the file, including path.)

A.
/etc/sysctl.conf
A.
/etc/sysctl.conf
Answers
Suggested answer: A
asked 18/09/2024
Mario Jose Oliveros Recinos
42 questions
Total 161 questions
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