Linux Foundation LFCS Online Practice Questions and Exam Preparation

Linux Foundation LFCS Online Questions & Answers

• Question 161:

  What two character sequence is present at the beginning of an interpreted script? (Please specify the TWO correct characters only)

  A. #!
  A. #!

• Question 162:

  Which approach will provide a listing of the contents in a tar archive?

  A. Use the tar command with -t.
  B. Use the grep command.
  C. Use the find command.
  D. Use the zless command.
  E. Use the zlist command.
  A. Use the tar command with -t.

• Question 163:

  How is a display manager started?

  A. It is started by a user using the command startx.
  B. It is started like any other system service by the init system.
  C. It is started by inetd when a remote hosts connects to the X11 port.
  D. It is started automatically when a X11 user logs in to the system console.
  B. It is started like any other system service by the init system.

• Question 164:

  What is the purpose of the file /etc/profile?

  A. It contains the welcome message that is displayed after login.
  B. It contains security profiles defining which users are allowed to log in.
  C. It contains environment variables that are set when a user logs in.
  D. It contains default application profiles for users that run an application for the first time.
  C. It contains environment variables that are set when a user logs in.

• Question 165:

  Which type of filesystem is created by mkfs when it is executed with the block device name only and without any additional parameters?

  A. ext2
  B. ext3
  C. ext4
  D. XFS
  E. VFAT
  A. ext2

• Question 166:

  Which command is used to set restrictions on the size of a core file that is created for a user when a program crashes?

  A. core
  B. edquota
  C. ulimit
  D. quota
  C. ulimit

• Question 167:

  After adding a new email alias to the configuration, which command must be run in order to ensure the MTA knows about it? (Specify the command without any path but including all required parameters.)

  A. newaliases, sendmail -bi
  A. newaliases, sendmail -bi

• Question 168:

  Which command will display the last line of the file foo.txt?

  A. head -n 1 foo.txt
  B. tail foo.txt
  C. last -n 1 foo.txt
  D. tail -n 1 foo.txt
  D. tail -n 1 foo.txt

• Question 169:

  What is the purpose of the Filesystem Hierarchy Standard?

  A. It is a security modelused to ensure files are organized according to their permissions and accessibility.
  B. It provides unified tools to create, maintain and manage multiple filesystems in a common way.
  C. It defines a common internal structure of inodes for all compliant filesystems.
  D. It is a distribution neutral description of locations of files and directories.
  D. It is a distribution neutral description of locations of files and directories.

• Question 170:

  Which of the following commands set the sticky bit for the directory /tmp? (Choose TWO correct answers.)

  A. chmod +s /tmp
  B. chmod +t /tmp
  C. chmod 1775 /tmp
  D. chmod 4775 /tmp
  E. chmod 2775 /tmp
  B. chmod +t /tmp
  C. chmod 1775 /tmp