CompTIA LX0-103 Online Practice Questions and Exam Preparation

CompTIA LX0-103 Online Questions & Answers

• Question 41:

  Which of the following commands kills the process with the PID 123 but allows the process to "clean up" before exiting?

  A. kill -PIPE 123
  B. kill -KILL 123
  C. kill -STOP 123
  D. kill -TERM 123
  D. kill -TERM 123

• Question 42:

  What is the output of the following command?

  echo "Hello World" | tr -d aieou

  A. Hello World
  B. eoo
  C. Hll Wrld
  D. eoo Hll Wrld
  C. Hll Wrld

• Question 43:

  In order to display all currently mounted filesystems, which of the following commands could be used? (Choose TWO correct answers.)

  A. cat /proc/self/mounts
  B. free
  C. mount
  D. lsmounts
  E. cat /proc/filesystems
  A. cat /proc/self/mounts
  C. mount

• Question 44:

  Which of the following commands will send output from the program myapp to both standard output (stdout) and the file file1.log?

  A. cat < myapp | cat > file1.log
  B. myapp 0>and1 | cat > file1.log
  C. myapp | cat > file1.log
  D. myapp | tee file1.log
  E. tee myapp file1.log
  D. myapp | tee file1.log

• Question 45:

  Which of the following commands moves and resumes in the background the last stopped shell job?

  A. run
  B. bg
  C. fg
  D. back
  B. bg

• Question 46:

  Regarding the command:

  nice -5 /usr/bin/prog

  Which of the following statements is correct?

  A. /usr/bin/prog is executed with a nice level of -5.
  B. /usr/bin/prog is executed with a nice level of 5.
  C. /usr/bin/prog is executed with a priority of -5.
  D. /usr/bin/prog is executed with a priority of 5.
  B. /usr/bin/prog is executed with a nice level of 5.

• Question 47:

  Which of the following commands can be used to download the RPM package kernel without installing it?

  A. yum download --no-install kernel
  B. yumdownloader kernel
  C. rpm --download --package kernel
  D. rpmdownload kernel
  B. yumdownloader kernel

• Question 48:

  Which of the following commands reboots the system when using SysV init? (Choose TWO correct answers.)

  A. shutdown -r now
  B. shutdown -r "rebooting"
  C. telinit 6
  D. telinit 0
  E. shutdown -k now "rebooting"
  A. shutdown -r now
  C. telinit 6

• Question 49:

  Which of the following statements is correct when talking about /proc/?

  A. All changes to files in /proc/ are stored in /etc/proc.d/ and restored on reboot.
  B. All files within /proc/ are read-only and their contents cannot be changed.
  C. All changes to files in /proc/ are immediately recognized by the kernel.
  D. All files within /proc/ are only readable by the root user.
  C. All changes to files in /proc/ are immediately recognized by the kernel.

• Question 50:

  Which command is used to create and initialize the files used to store quota information? (Specify ONLY the command without any path or parameters.)

  quotacheck