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New LPI 201-450 Exam Dumps Collection (Question 2 - Question 11)

Question No: 2

Why is the root file system mounted read-only during boot and remounted with write permission later on?

A. Because if problems with the root file system are detected during the boot, fsck can be run, without risk of damage.

B. Because this way crackers cannot collect information about root with boot sniffers.

C. To avoid writing to the disk, unless the root password is known.

D. To avoid other operating systems overwriting the Linux root partition.

E. Because the disk has its own write protection that cannot be changed by the operating system.

Answer: A


Question No: 3

In this example output, which descriptions match the purpose of the free, buff and cache columns? (Choose THREE correct answers.)

# vmstat 1 100

procs -----------memory---------- ---swap-- -----io---- --system-- ----cpu----

r b swpd free buff cache si so bi bo in cs us sy id wa

0 0 0 282120 134108 5797012 0 0 0 2 0 0 0 0 100 0

0 0 0 282120 134108 5797012 0 0 0 0 1007 359 0 0 100 0

0 0 0 282120 134108 5797012 0 0 0 0 1117 577 0 0 100 0

0 0 0 282120 134108 5797012 0 0 0 0 1007 366 0 0 100 0

A. Used swap space

B. RAM available for filesystem buffers

C. Available free RAM

D. RAM used for buffers

E. RAM used for filesystem cache

Answer: CDE


Question No: 4

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

A. _santarget

B. iscsi

C. waitiscsi

D. _netdev

Answer: D


Question No: 5

Please enter the complete path to the main SysV init process configuration file.

Answer:

/etc/inittab


Question No: 6

What information does the file modules.dep provide?

A. A list of all modules, compiled or not, that are available to the kernel.

B. A list of modules trusted by the installed kernel.

C. A list of devices and their module name.

D. A list of all compiled modules and their dependencies.

E. A list of modules the kernel needs to run.

Answer: D


Question No: 7

Which command is used to unload a single module currently loaded by the kernel without unloading any modules that it depends upon? (Specify the command with or without path information)

Answer:

rmmod, /sbin/rmmod


Question No: 8

The correct command sequence to create and mount logical volumes on a Linux system is:

A. lvcreate, pvcreate, vgcreate, mkfs, mount

B. pvcreate, vgcreate, lvcreate, mkfs, mount

C. vgcreate, lvcreate, pvcreate, mount, mkfs

D. mkfs, pvcreate, vgcreate, lvcreate, mount

E. pvcreate, lvcreate, vgcreate, mkfs, mount

Answer: B


Question No: 9

In the following output, what is the 5 minute load average for the system?

# uptime

12:10:05 up 18 days, 19:00, 2 users, load average: 0.47, 24.71, 35.31

A. 0.47

B. 24.71

C. 35.31

D. There is no 5 minute interval. It is some value between 0.47 and 24.71.

E. There is no 5 minute interval. It is some value between 24.71 and 35.31.

Answer: B


Question No: 10

Which command turns an existing ext2 filesystem non-destructively into an ext3 filesystem? (Specify ONLY the command without any path or parameters.)

Answer:

/sbin/tune2fs, tune2fs


Question No: 11

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

Answer: B


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