Linux Foundation LFCS Online Practice Questions and Exam Preparation

Linux Foundation LFCS Online Questions & Answers

• Question 1:

  The script, script.sh, consists of the following lines:

  #!/bin/bash

  echo $2 $1

  Which output will appear if the command, ./script.sh test1 test2, is entered?

  A. test1 test2
  B. test2 test1
  C. script.sh test2
  D. script.sh test1
  E. test1 script.sh
  B. test2 test1

• Question 2:

  Which RPM command will output the name of the package which supplied the file /etc/exports?

  A. rpm -F /etc/exports
  B. rpm -qf /etc/exports
  C. rpm -Kl /etc/exports
  D. rpm -qp /etc/exports
  E. rpm -qi /etc/exports
  B. rpm -qf /etc/exports

• Question 3:

  Creating a hard link to an ordinary file returns an error. What could be the reason for this?

  A. The source file is hidden.
  B. The source file is read-only.
  C. The source file is a shell script.
  D. The source file is already a hard link.
  E. The source and the target are on different filesystems.
  E. The source and the target are on different filesystems.

• Question 4:

  Which of the following commands can be used to search for the executable file foo when it has been placed in a directory not included in $PATH?

  A. apropos
  B. which
  C. find
  D. query
  E. whereis
  C. find

• Question 5:

  Which of the following sequences in the vi editor saves the opened document and exits the editor?(Choose TWO correct answers.)

  A. esc ZZ
  B. ctrl :w!
  C. esc zz
  D. esc :wq!
  E. ctrl XX
  A. esc ZZ
  D. esc :wq!

• Question 6:

  When starting a program with the nice command without any additional parameters, which nice level is set for the resulting process?

  A. -10
  C. 10
  D. 20
  C. 10

• Question 7:

  Which of the following commands preloads and manages keys that are used for automatic authentication while logging in to other machines using SSH?

  A. sshd
  B. ssh-agent C. ssh-keygen
  D. ssh-add
  B. ssh-agent C. ssh-keygen

• Question 8:

  Which of the following commands moves and resumes in the background the last stopped shell job?

  A. run
  B. bg
  C. fg
  D. back
  B. bg

• Question 9:

  Which of the following commands changes the number of days before the ext3 filesystem on /dev/sda1 has to run through a full filesystem check while booting?

  A. tune2fs -d 200 /dev/sda1
  B. tune2fs -c 200 /dev/sda1
  C. tune2fs -i 200 /dev/sda1
  D. tune2fs -n 200/dev/sda1
  E. tune2fs --days 200 /dev/sda1
  C. tune2fs -i 200 /dev/sda1

• Question 10:

  What output will the command seq 10 produce?

  A. A continuous stream of numbers increasing in increments of 10 until stopped.
  B. The numbers 1 through 10 with one number per line.
  C. The numbers 0 through 9 with one number per line.
  D. The number 10 to standard output.
  B. The numbers 1 through 10 with one number per line.