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Question 1

Multiple choice

A network client has an ethernet interface (eth0) configured with an IP address in the subnet 192.168.0.0/24. This subnet has a router, with the IP address 192.168.0.1, that connects this subnet to the Internet. What needs to be done on the client to enable it to use the router as its default gateway? (Choose
TWO correct answers.)

A
route add default gw 192.168.0.1 eth0
B
ifconfig eth0 defaultroute 192.168.0.1
C
ip route add default via 192.168.0.1 dev eth0
D
echo defaultroute 192.168.0.1 >> /etc/resolv.conf
E
route add defaultgw=192.168.0.1 if=eth0

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Correct answersA, C

Question 2

Single choice

Which command is used to install a GRUB boot loader into the master boot record?

A
grub-install
B
grub-mkconfig
C
grub-install-mbr
D
grub-glue-mbr
E
grub-mbr-setup

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Correct answerA

Question 3

Fill in the blank

FILL BLANK

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

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Accepted answer/usr/src/linux/.config

Explanation

/usr/src/linux/.config
.config

Question 4

Single choice

Which of the following commands will erase the contents of the /dev/sdb3 partition?

A
rm /dev/sdb3
B
dd if=/dev/zero of=/dev/sdb3
C
dd of=/dev/zero if=/dev/sdb3
D
umount /dev/sdb3

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Correct answerB

Question 5

Multiple choice

What are the main network services used by the PXE protocol? (Choose TWO correct answers.)

A
DNS
B
DHCP
C
HTTP
D
TFTP
E
NFS

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Correct answersB, D

Question 6

Multiple choice

Considering the following kernel IP routing table below, which of the following commands must be used to remove the route to the network 10.10.1.0/24? (Select TWO answers)

Kernel IP routing table

Destination Gateway Genmask Flags Metric Ref Use Iface

203.0.113.162 0.0.0.0 255.255.255.255 UH 0 0 0 ppp0

172.16.87.0 0.0.0.0 255.255.255.0 U 0 0 0 eth0

192.168.246.0 0.0.0.0 255.255.255.0 U 0 0 0 eth1
10.10.1.0 192.168.246.11 255.255.255.0 UG 0 0 0 eth1

127.0.0.0 0.0.0.0 255.0.0.0 U 0 0 0 lo

0.0.0.0 203.0.113.162 0.0.0.0 UG 0 0 0 ppp0

A
ip net delete 10.10.1.0/24
B
route del 10.10.1.0/24
C
route del -net 10.10.1.0/24
D
route del 10.10.1.0/24 gw 192.168.246.11
E
ip route delete 10.10.1.0/24

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Correct answersC, E

Question 7

Fill in the blank

FILL BLANK

According to the tcpdump output below, what is the IP address of the client host?

02:12:40.511381 IP 192.168.246.11.1045 > 192.168.246.1.22: S 3838532429:3838532429(0) win 5840
<mss 1460,sackOK,timestamp 31325740,nop,wscale 2>

02:12:40.511540 IP 192.168.246.1.22 > 192.168.246.11.1045: S 1209330085:1209330085(0) ack 383853
2430 win 5792 <mss 1460,sackOK,timestamp 11553457 3132574,nop,wscale 0>

02:12:40.511755 IP 192.168.246.11.1045 > 192.168.246.1.22: . ack 1 win 1460 <nop,nop,timestamp 3
132574 11553457>

02:12:40.515122 IP 192.168.246.1.22 > 192.168.246.11.1045: P 1:26(25) ack 1 win 5792
<nop,nop,timestamp 11553460 3132574>

02:12:40.515511 IP 192.168.246.11.1045 > 192.168.246.1.22: . ack 26 win 1460 <nop,nop,timestamp

3132578 11553460>

02:12:40.515952 IP 192.168.246.11.1045 > 192.168.246.1.22: P 1:23(22) ack 26 win 1460
<nop,nop,timestamp 3132578 11553460>

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Accepted answer192.168.246.11

Question 8

Single choice

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

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Correct answerC

Question 9

Single choice

What is the purpose of an initramfs during the Linux system start?

A
It loads required modules and starts sub sytems like LVM to make the root file system accessible to the kernel
B
It moves the kernel from normal system memory to initram memory to speed up kernel access
C
It copies the root file system's content to RAM to speed up the system and reduce writes to disk
D
It creates a ram disk to store volatile data for directories like /tmp to reduce writes to disk

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Correct answerA

Question 10

Multiple choice

In capacity planning exercises, which tools assist in listing and identifying processes of interest? (Choose
TWO correct answers.)

A
acpid
B
lsof
C
pstree
D
telinit

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Correct answersB, C

Question 11

Fill in the blank

FILL BLANK

Which keyword is used in the /etc/inittab file to define the SysV-init default system runlevel?

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Accepted answerINITDEFAULT

Question 12

Single choice

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.

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Correct answerD

Question 13

Fill in the blank

Consider the following /etc/fstab file:

/dev/hda1 swap swap defaults 0 0

/dev/hda2 / ext2 defaults 1 1

/dev/hda3 /home ext2 defaults 1 2

none /proc proc defaults 0 0

/dev/sdb1 /media/usb0 vfat user,noauto 0 0

What is one of the possible commands that an ordinary (non-root) user can use to mount the /dev/sdb1 partition on the /media/usb0 mount point? (Please enter the command with all parameters and/or options but without any file system type options.)

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Accepted answermount /dev/sdb1

Explanation

mount /dev/sdb1, mount /media/usb0, /bin/mount /dev/sdb1, /bin/mount /media/usb0, mount /media/usb0/
, /bin/mount /media/usb0/

Question 14

Single choice

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.
B
It has configuration information, such as passwords and keys, for the remote file server.
C
It has configuration information on settings for the /home mount point.
D
It is the holds the SSL key to allow authentication to the remote file server.

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Correct answerA

Question 15

Single choice

A server requires a GRUB2 boot option which will always boot to runlevel 1.

Which line of a GRUB2 configuration file starts the beginning of the settings needed to make this new choice available?

A
initrd
B
linux
C
menuentry
D
runlevel

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Correct answerB

Question 16

Multiple choice

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

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Correct answersC, D, E

Question 17

Single choice

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

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Correct answerB

Question 18

Single choice

After manually compiling and installing a new kernel, what has to be done regarding the initramfs?

A
To initramfs is independent of the kernel and should not be modified unless the hardware configuration of the machine has changed
B
Since the initramfs contains kernel modules, a new initramfs must be built for the new kernel
C
During the compilation of the Linux kernel, a new initramfs is built automatically. The new initramfs only needs to be installed
D
The system should be restarted since the initramfs reconfigures itself for the new kernel during the startup of the system

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Correct answerC

Question 19

Single choice

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.
B
It has configuration information, such as passwords and keys, for the remote file server.
C
It has configuration information on settings for the /home mount point.
D
It is the holds the SSL key to allow authentication to the remote file server.

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Correct answerA

Question 20

Single choice

What is the purpose of a system mount unit?

A
It is used by the command systemd-mount and allows users to mount partitions to mount points of their
choice
B
It is used only to mount network file systems to local mount points. It cannot be used for local media
C
It is created by the command systemd-fstab-generator to integrate entries from /etc/fstab into the system boot process
D
It is used by the command mount when using system to mount and unmount file systems

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Correct answerA

Question 21

Single choice

In the output of sar -b, what does tps stand for?

A
Terrabyte per second
B
Traffic per second
C
Transfers per second
D
Total data per second
E
Terrabit per second

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Correct answerC

Question 22

Multiple choice

Which of the filter keywords below could be used in the following command:

tcpdump -i eth0 ____________ 203.0.113.8 (Choose three.)

A
host
B
ip
C
src
D
dst
E
ipv6

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Correct answersA, C, D

Question 23

Single choice

Which option to the update-rc.d command will cause the removal of all symlinks to /etc/rcX.d/*test2 even when the script /etc/init.d/test2 still exists?

A
-d
B
-f
C
-n
D
-r

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Correct answerB

Question 24

Single choice

Which of the following commands will provide the PIDs of the processes sorted by which are using the most CPU cycles on the Linux system?

A
top
B
uptime
C
ps aux
D
vmstat
E
freemem

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Correct answerA

Question 25

Fill in the blank

FILL 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.)

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Accepted answer/dev/nst0

Free 201-450 Exam Dumps Preview

LPIC-2 - Exam 201 - version 4.5

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