CompTIA LX0-103 Online Practice Questions and Exam Preparation

CompTIA LX0-103 Online Questions & Answers

• Question 1:

  Which Bash environment variable defines in which file the user history is stored when exiting a Bash process? (Specify ONLY the variable name.)

  HISTFILE

• Question 2:

  Which of the following commands lists the dependencies of a given dpkg package?

  A. apt-cache depends-on package
  B. apt-cache dependencies package
  C. apt-cache depends package
  D. apt-cache requires package
  C. apt-cache depends package

• Question 3:

  Which umask value will result in the default access permissions of 600 (rw-------) for files and 700 (rwx------) for directories? (Specify only the numerical umask value.)

  0077, 077

• Question 4:

  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 5:

  Creating a hard link to an ordinary file returns an error. What could be the reason for this?

  A. The source file is hidden.
  B. The source file is read-only.
  C. The source file is a shell script.
  D. The source file is already a hard link.
  E. The source and the target are on different filesystems.
  E. The source and the target are on different filesystems.

• Question 6:

  Which of the following characters can be combined with a separator string in order to read from the current input source until the separator string, which is on a separate line and without any trailing spaces, is reached?

  C. !<
  D. and<
  A

• Question 7:

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

  update, upgrade

• Question 8:

  What of the following statements are true regarding /dev/ when using udev? (Choose TWO correct answers.)

  A. Entries for all possible devices get created on boot even if those devices are not connected.
  B. Additional rules for udev can be created by adding them to /etc/udev/rules.d/.
  C. When using udev, it is not possible to create block or character devices in /dev/ using mknod.
  D. The /dev/ directory is a filesystem of type tmpfs and is mounted by udev during system startup.
  E. The content of /dev/ is stored in /etc/udev/dev and is restored during system startup.
  B. Additional rules for udev can be created by adding them to /etc/udev/rules.d/.
  D. The /dev/ directory is a filesystem of type tmpfs and is mounted by udev during system startup.

• Question 9:

  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
  A. uptime
  C. top

• Question 10:

  In Bash, inserting 1>and2 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.
  C. standard output to standard error.