Lpi LPI Certifications 101-400 Questions & Answers

• Question 31:

  Which of the following commands changes all occurrences of the word "bob" in file data to "Bob" and prints the result to standard output?

  A. sed`/bob/Bob' data

  B. sed`s/bob/Bob/g' data

  C. sed`s/bob/Bob/' data

  D. sed`/bob/Bob/' data

  E. sed`s/bob,Bob/' data

  Correct Answer: B

• Question 32:

  Which of the following is a limitation of the cut command?

  A. The cut command can only select output by field position.

  B. The cut command cannot reorder fields.

  C. The cut command only works on ASCII text.

  D. The cut command cannot use different input and output delimiters.

  Correct Answer: B

• Question 33:

  Pressing the Ctrl-C combination on the keyboard while a command is executing in the foreground sends which of the following signal codes?

  A. 1(SIGHUP)

  B. 2(SIGINT)

  C. 3(SIGQUIT)

  D. 9(SIGKILL)

  E. 15(SIGTERM)

  Correct Answer: B

• Question 34:

  Which of the following are modes of the vi editor? (Choose two.)

  A. edit mode

  B. insert mode

  C. change mode

  D. review mode

  E. command mode

  Correct Answer: BE

• Question 35:

  Which of the following shell commands makes the already defined variable TEST visible to new child processes? (Choose two.)

  A. visible TEST

  B. declare +x TEST

  C. declare –x TEST

  D. export TEST

  E. export –v TEST

  Correct Answer: CD

• Question 36:

  In Bash, inserting 2>and1 after a command redirects: A. standard error to standard input.

  B. standard input to standard error.

  C. standard output to standard error.

  D. standard error to standard output.

  E. standard output to standard input.

  Correct Answer: D

• Question 37:

  When piping the output of find to the xargs command, what option to find is useful if the filenames have spaces in them?

  A. –rep-space

  B. –print0

  C. –nospace

  D. –ignore-space

  Correct Answer: B

• Question 38:

  Which signal is sent by the kill command by default?

  A. SIGHUP(1)

  B. SIGQUIT(3)

  C. SIGKILL(9)

  D. SIGTERM(15)

  Correct Answer: D

• Question 39:

  Which of the following command lines creates or, in case it already exists, overwrites a file called data with the output of ls?

  A. ls 3> data

  B. ls >and data

  C. ls > data

  D. ls >> data

  Correct Answer: C

• Question 40:

  Which of the following commands will print important system information such as the kernel version and machine hardware architecture?

  A. sysinfo

  B. uname

  C. lspci

  D. arch

  E. info

  Correct Answer: B