Lpi LPI Certifications 101-500 Questions & Answers

• Question 81:

  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

• Question 82:

  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 outputto standard input.

  Correct Answer: C

• Question 83:

  Which of the following commands will produce the following output?

  

  A. jobs

  B. proclist

  C. netstat

  D. ps

  Correct Answer: D

• Question 84:

  Which of the following commands print the current working directory when using a Bash shell? (Choose two.)

  A. echo "${PWD}"

  B. echo "${WD}"

  C. pwd

  D. printwd

  E. echo "${pwd}"

  Correct Answer: C

• Question 85:

  Which of the following statements is correct for a command line ending with a and character?

  A. The command's output is redirected to/dev/null.

  B. The result of the command defines if the next command will be run.

  C. Thecommand is run in background of the current shell.

  D. The command is run as a direct child of theinitprocess.

  Correct Answer: C

• Question 86:

  Which of the following commands can be used to create a new file that is 100kB in size?

  A. dd

  B. file

  C. mkfile

  D. touch

  Correct Answer: A

• Question 87:

  When using regular expressions, which of the following characters match the beginning of a line?

  A. ^

  B. ?

  C. *

  D. +

  E. $

  Correct Answer: A

• Question 88:

  Which option to the tee command will cause the output to be concatenated on the end of the output file instead of overwriting the existing file contents?

  A. -a

  B. -c

  C. --no-clobber

  D. --continue

  Correct Answer: A

• Question 89:

  What is the purpose of the xargs command?

  A. It passes arguments to an X server.

  B. It reads standard input (STDIN) and builds up command lines to execute.

  C. It helps shellscripts take variable argument lists.

  D. It asks a question, graphically, and returns the answer to the shell.

  E. It allows users to specify long options for commands that normally only accept short options.

  Correct Answer: B

• Question 90:

  Which of the following commands are common Linux commands for file management? (Choose three correct answers.)

  A. copy

  B. mv

  C. move

  D. cp

  E. mkdir

  Correct Answer: BDE