Free Linux Foundation LFCS Exam Questions

Become Linux Foundation Certified with updated LFCS exam questions and correct answers

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Total 260 Questions | Updated On: Feb 10, 2026

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Question 1

How is a display manager started?

A : It is started by a user using the command startx.

B : It is started like any other system service by the init system.

C : It is started by inetd when a remote hosts connects to the X11 port.

D : It is started automatically when a X11 user logs in to the system console.

Answer: B

Question 2

What is a purpose of an SSH host key?

A : It must be sent by any SSH client in addition to a user key in order to identify the client's host.

B : It provides the server-s identity information to connecting SSH clients.

C : It is the root key by which all user SSH keys must be signed.

D : It authenticates any user that logs into a remote machine from the key-s host.

E : It is used by system services like cron, syslog or a backup job to automatically connectto remote hosts.

Answer: B

Question 3

Which of the following tasks can be accomplished using the command date? (ChooseTWO correct answers.)

A : Synchronize the hardware and system clocks.

B : Output date and time in different formats.

C : Set the system clock.

D : Set the hardware clock.

E : Update the time via NTP.

Answer: B,C

Question 4

Which of the following are valid stream redirection operators within Bash? (Choose THREEcorrect answers.)

A :

B :

C : >

D : >>>

E : %>

Answer: A,B,C

Question 5

When the command echo $$ outputs 12942, what is the meaning of 12942?

A : It is the process ID of the echo command.

B : It is the process ID of the current shell.

C : It is the process ID of the last command executed.

D : It is the process ID of the last command which has been placed in the background.

Answer: B

Page: 1 / 52

Total 260 Questions | Updated On: Feb 10, 2026

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