LPI 201-450 Exam Questions Instant Access

Question 1

What happens if the Linux kernel can't mount the root filesystem when booting?

AAn error message is shown and the administrator is asked by the kernel to specify a valid root filesystem to continue the boot process.

BAn error message is shown and the system reboots after a keypress.

CAn error message is shown and the system boots in maintenance mode.

DAn error message is shown showing which device couldn't be mounted or informing that init couldn't be found.

EAn error message is shown stating that the corresponding kernel module couldn't be loaded.

Answer : D

Question 2

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?

See Below Explanation:

Answer : A

Question 3

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?

Ainitrd

Blinux

Cmenuentry

Drunlevel

Answer : B

Question 4

Which of the following commands will list the IPv4 neighbors of the current system? This includes IP and MAC addresses. (Choose TWO correct answers.)

Aarp

Bifconfig -lv eth0

Cnetstat -al

Dip neigh show

Answer : A, D

Question 5

In the following output from top, which processes contribute to the percentage of time that the CPU spends in the state of wa?

Tasks: 193 total, 1 running, 190 sleeping, 2 stopped, 0 zombie

Cpu(s): 0.5%us, 0.3%sy, 0.0%ni, 98.2%id, 1.0%wa, 0.0%hi, 0.0%si, 0.0%st

AProcesses waiting for user interaction.

BProcesses that were already closed and are waiting to be launched again.

CProcesses that have not been scheduled yet because they haven't been fully loaded into RAM or are in swap.

DProcesses waiting for IO operations to complete.

Answer : D

Question 6

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

A1, 5 and 15 minutes

B1, 15 and 30 minutes

C1, 15, and 30 seconds

D15, 30 and 60 minutes

E15, 30 and 60 seconds

Answer : A

Question 7

A correctly formatted entry has been added to /etc/hosts.deny to prevent certain clients from connecting to a service but this is having no effect. What could be the cause of this? (Choose TWO correct answers.)

Atcpd needs to be sent the HUP signal.

BThe service needs to be restarted.

CThe machine needs to be restarted.

DThere is a conflicting entry in /etc/hosts.allow.

EThe service does not support tcpwrapper.

Answer : D, E

LPIC-2 (201) 201-450 Exam Questions