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: Aug 21, 2019

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Question 1

What is the correct command to extract the contents of the archive file download.bz2?

A : unpack download.bz2

B : unzip2 download.bz2

C : bunzip2 download.bz2

D : unzip download.bz2

E : uncompress download.bz2

Answer: C

Question 2

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 3

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

A :

B :

C : >

D : >>>

E : %>

Answer: A,B,C

Question 4

Which of the following files, located in the user home directory, is used to store the Bashhistory?

A : .bash_history

B : .bash_histfile

C : .history

D : .bashrc_history

E : .history_bash

Answer: A

Question 5

What is true regarding TCP port 23?

A : Port 23 is the well known port for the telnet service which is a plain text protocol that should no longer be used.

B : Port 23 is the well known port for the SSH service which provides secure logins.

C : Port 23 is the well known port for the rlogin service which is SSL secured by default.

D : Port 23 is the well known port for the system login services which are encrypted when the user runs the starttls command in his login shell.

Answer: A

Page: 1 / 52

Total 260 Questions | Updated On: Aug 21, 2019

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