Free Online Linux Foundation LFCS Practice Test

Prepare Your Linux Foundation LFCS Exam Questions with Free online LFCS Practice Test. Get Brilliant LINUX FOUNDATION CERTIFIED SYSTEM ADMINISTRATOR (LFCS) Exam Results with Valid LFCS Exam Dumps.

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Total 260 Questions | Updated On: May 15, 2024

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Question 1

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

Question 2

Which of the following commands reboots the system when using SysV init? (Choose TWO

correct answers.)

A : shutdown -r now

B : shutdown -r "rebooting"

C : telinit 6

D : telinit 0

E : shutdown -k now "rebooting"

Answer: A,C

Question 3

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 4

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 5

Which of the following commands will send output from the program myapp to both

standard output (stdout) and the file file1.log?

A : cat < myapp | cat> file1.log

B : myapp 0>&1 | cat > file1.log

C : myapp | cat > file1.log

D : myapp | teefile1.log

E : tee myapp file1.log

Answer: D

Page: 1 / 52

Total 260 Questions | Updated On: May 15, 2024

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