Lpi LPI Certifications 101-400 Questions & Answers

• Question 71:

  Which of the following settings for umask ensures that new files have the default permissions -rw-r----- ?

  A. 0017

  B. 0640

  C. 0038

  D. 0027

  Correct Answer: D

• Question 72:

  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

  Correct Answer: C

• Question 73:

  What does the command mount -a do?

  A. It ensures that all file systems listed with the option noauto in /etc/fstab are mounted.

  B. It shows all mounted file systems that have been automatically mounted.

  C. It opens an editor with root privileges and loads /etc/fstab for editing.

  D. It ensures that all file systems listed with the option auto in /etc/fstab are mounted.

  E. It ensures that all file systems listed in /etc/fstab are mounted regardless of their options.

  Correct Answer: D

• Question 74:

  Which of the following commands changes the ownership of file.txt to the user dan and the group staff?

  A. chown dan/staff file.txt

  B. chown dan:staff file.txt

  C. chown -u dan -g staff file.txt

  D. chown dan -g staff file.txt

  Correct Answer: B

• Question 75:

  Which of the following commands makes /bin/foo executable by everyone but writable only by its owner?

  A. chmod u=rwx,go=rx /bin/foo

  B. chmod o+rwx,a+rx /bin/foo

  C. chmod 577 /bin/foo

  D. chmod 775 /bin/foo

  Correct Answer: A

• Question 76:

  After moving data to a new filesystem, how can the former path of the data be kept intact in order to avoid reconfiguration of existing applications? (Choose TWO correct answers.)

  A. By creating an ACL redirection from the old to the new path of the data.

  B. By creating a hard link from the old to the new path of the data.

  C. By creating a symbolic link from the old to the new path of the data.

  D. By running the command touch on the old path.

  E. By mounting the new filesystem on the original path of the data.

  Correct Answer: CE

• Question 77:

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

  A. <

  B. <<<

  C. >

  D. >>>

  E. %>

  Correct Answer: ABC

• Question 78:

  After successfully creating a hard link called bar to the ordinary file foo, foo is deleted from the filesystem. Which of the following describes the resulting situation?

  A. foo and bar would both be removed.

  B. foo would be removed while bar would remain accessible.

  C. foo would be removed. bar would still exist but would be unusable.

  D. Both foo and bar would remain accessible.

  E. The user is prompted whether bar should be removed, too.

  Correct Answer: B

• Question 79:

  Which of the following commands can be used to determine how long the system has been running? (Choose TWO correct answers.)

  A. uptime

  B. up

  C. top

  D. uname -u

  E. time up

  Correct Answer: AC

• Question 80:

  When given the following command line. echo "foo bar" | tee bar | cat

  Which of the following output is created?

  A. cat

  B. foo bar

  C. tee bar

  D. bar

  E. foo

  Correct Answer: B