101-500 Practice Test

101-500 Practice Test practice questions, page 5 of 5, with answer review and explanations.

Question 21

When is the content of the kernel ring buffer reset? (Choose two.)

  1. When the ring buffer is explicitly reset using the command dmesg --clear
  2. When the ring buffer is read using dmesg without any additional parameters
  3. When a configurable amount of time, 15 minutes by default, has passed
  4. When the kernel loads a previously unloaded kernel module
  5. When the system is shut down or rebooted

Question 22

What is the first program the Linux kernel starts at boot time when using System V init?

  1. /lib/init.so
  2. /proc/sys/kernel/init
  3. /etc/rc.d/rcinit
  4. /sbin/init
  5. /boot/init

Question 23

A Debian package creates several files during its installation. Which of the following commands searches for packages owning the file /etc/debian_version?

  1. apt-get search /etc/debian_version
  2. apt -r /etc/debian_version
  3. find /etc/debian_version -dpkg
  4. dpkg -S /etc/debian_version
  5. apt-file /etc/debian_version

Question 24

What is contained on the EFI System Partition?

  1. The Linux root file system
  2. The first stage boot loader
  3. The default swap space file
  4. The Linux default shell binaries
  5. The user home directories