Lpi 101-400 Online Practice Questions and Exam Preparation

Lpi 101-400 Online Questions & Answers

• Question 91:

  Which chown command will change the ownership to dave and the group to staff on a file named data.txt?

  A. chown dave/staff data.txt
  B. chown –u dave –g staff data.txt
  C. chown --user dave --group staff data.txt
  D. chown dave:staff data.txt
  D. chown dave:staff data.txt

• Question 92:

  SIMULATION

  Which command reads and displays the current contents of the Kernel Ring Buffer on the command line? (Specify ONLY the command without any path or parameters.)

  dmesg

• Question 93:

  SIMULATION

  Which option to the yum command will update the entire system? (Specify ONLY the option name without any additional parameters.)

  update -or- upgrade

• Question 94:

  Which of the following are init systems used within Linux systems? (Choose THREE correct answers.)

  A. startd
  B. systemd
  C. Upstart
  D. SysInit
  E. SysV init
  B. systemd
  C. Upstart
  E. SysV init

• Question 95:

  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
  C. ls > data

• Question 96:

  SIMULATION

  Which command will display messages from the kernel that were output during the normal boot sequence?

  dmesg -or- /bin/dmesg

• Question 97:

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

• Question 98:

  Which of the following commands is used to update the list of available packages when using dpkg based package management?

  A. apt-get update
  B. apt-get upgrade
  C. apt-cache update
  D. apt-get refresh
  E. apt-cache upgrade
  A. apt-get update

• Question 99:

  What is the default nice level when a process is started using the nice command?

  A. -10
  B. 10
  C. 20
  B. 10

• Question 100:

  Which grep command will print only the lines that do not end with a / in the file foo?

  A. grep '/$' foo
  B. grep '/#' foo
  C. grep -v '/$' foo
  D. grep -v '/#' foo
  C. grep -v '/$' foo