Free Access Lpi.201-450.v2023-05-08.q73 Practice Test (Page 2)

Question 1

What is the purpose of the smartd daemon?

A.It monitors process activity and helps the kernel decide which processes to kill when the kernel overcommits.

B.It is a user space daemon used for reading smart cards and integrated circuit chips.

C.It attempts to automatically repair file systems upon a failed file system check.

D.It monitors certain disk drives and attempts to predict when they will fail.

Question 2

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

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

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

C.Processes waiting for user interaction.

D.Processes waiting for IO operations to complete.

Question 3

What is the purpose of the command udevadm monitor?

A.It monitors the /dev directory for new devices.

B.It monitors the udev process and prints performance statistics to the console.

C.It communicates with D-Bus to setup new devices.

D.It listens to kernel events produced by a udev rule and print information to the console.

Question 4

Which of the following filter keywords for tcpdump specify the transfer direction for network packets? (Choose TWO correct answers.)

A.dest

B.both

C.src

D.source

E.src or dst

Question 5

Which sub command to crypsetupshows information about an encrypted LUKS partition?

A.luksShow

B.luksLS

C.luksDump

D.luksInfo

E.luksDebug

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