Lpi LPI Certifications 102-400 Questions & Answers

• Question 81:

  What output will the following command sequence produce?

  echo '1 2 3 4 5 6' | while read a b c; do echo result: $c $b $a; done

  A. result: 3 4 5 6 2 1

  B. result: 1 2 3 4 5 6

  C. result: 6 5 4

  D. result: 6 5 4 3 2 1

  E. result: 3 2 1

  Correct Answer: A

• Question 82:

  When the command echo $ outputs 1, which of the following statements is true?

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

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

  C. It is the exit value of the command executed immediately before echo.

  D. It is the exit value of the echo command.

  Correct Answer: C

• Question 83:

  Which command makes the shell variable named VARIABLE visible to subshells?

  A. export $VARIABLE

  B. export VARIABLE

  C. set $VARIABLE

  D. set VARIABLE

  E. env VARIABLE

  Correct Answer: B

• Question 84:

  What word is missing from the following SQL statement?

  insert into tablename ________(909, 'text');

  (Please specify the missing word using lower-case letters only.)

  Correct Answer: VALUES

• Question 85:

  By default, the contents of which directory will be copied to a new user's home directory when the account is created by passing the -m option to the useradd command? (Specify the full path to the directory.)

  Correct Answer: /etc/skel

• Question 86:

  What word is missing from the following SQL statement?

  __________ count(*) from tablename;

  (Please specify the missing word using lower-case letters only.)

  Correct Answer: select

• Question 87:

  What command displays all aliases defined in the current shell? (Specify the command without any path information)

  Correct Answer: alias, alias -p

• Question 88:

  Which command can be used to investigate the properties for a particular window in X by clicking that window? (Specify ONLY the command without any path or parameters.)

  Correct Answer: /usr/bin/xwininfo, xwininfo

• Question 89:

  What is the default name of the configuration file for the Xorg X11 server? (Specify the file name only without any path.)

  Correct Answer: xorg.conf

• Question 90:

  What is the name of the simple graphical login manager that comes with a vanilla X11 installation? (Specify ONLY the command without any path or parameters.)

  Correct Answer: xdm