Linux Foundation Linux Foundation Certifications LFCS Questions & Answers

• Question 211:

  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.

  Correct Answer: E

• Question 212:

  Which of the following commands should be added to /etc/bash_profile in order to change the language of messages for an internationalized program to Portuguese (pt)?

  A. export LANGUAGE="pt"

  B. export MESSAGE="pt"

  C. export UI_MESSAGES="pt"

  D. export LC_MESSAGES="pt"

  E. export ALL_MESSAGES="pt"

  Correct Answer: D

• Question 213:

  Which of the following words is used to restrict the records that are returned from a SELECT SQL query based on a supplied criteria for the values in the records?

  A. CASE

  B. FROM

  C. WHERE

  D. IF

  Correct Answer: C

• Question 214:

  Which type of filesystem is created by mkfs when it is executed with the block device name only and without any additional parameters?

  A. ext2

  B. ext3

  C. ext4

  D. XFS

  E. VFAT

  Correct Answer: A

• Question 215:

  Immediately after deleting 3 lines of text in vi and moving the cursor to a different line, which single character command will insert the deleted content below the current line?

  A. i (lowercase)

  B. P (uppercase)

  C. p (lowercase)

  D. U (uppercase)

  E. u (lowercase)

  Correct Answer: C

• Question 216:

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

  A. <

  B. <<<

  C. >

  D. >>>

  E. %>

  Correct Answer: ABC

• Question 217:

  What is true about the ntpdate command?

  A. It is the primary management command for the NTP time server.

  B. It updates the local system's date (i.e. day, month and year) but not the time (i.e. hours, minutes, seconds).

  C. It queries one or more NTP time servers and adjusts the system time accordingly.

  D. It sends the local system time to one or many remote NTP time servers for redistribution.

  E. It can be used by any user to set the user clock independently of the system clock.

  Correct Answer: C

• Question 218:

  From a Bash shell, which of the following commands directly executes the instruction from the file /usr/local/bin/runme.sh without starting a subshell? (Please select TWO answers.)

  A. source /usr/local/bin/runme.sh

  B. . /usr/local/bin/runme.sh

  C. /bin/bash /usr/local/bin/runme.sh

  D. /usr/local/bin/runme.sh

  E. run /usr/local/bin/runme.sh

  Correct Answer: AB

• Question 219:

  The presence of what file will temporarily prevent all users except root from logging into the system? (Specify the full name of the file, including path.)

  A. /etc/nologin

  Correct Answer: A

• Question 220:

  Which signal is missing from the following command that is commonly used to instruct adaemon to reinitialize itself, including reading configuration files?

  killall -s _______ daemon

  A. HUP, SIGHUP, 1

  Correct Answer: A