Linux Chapter 6

Which command should you run after installing a new kernel module to update the module dependency database?

depmod

Which of the following commands will display messages that were displayed during the boot sequence by the kernel?

dmesg

Which of the following is a type of software that allows a piece of hardware to host multiple operating systems?

hypervisor

What file in the /proc directory contains a list of memory address ranges reserved for device use?

ioports

In Fedora 20, what journaling database system has replaced the logging system used to record the messages normally stored within the boot.log, messages, and syslog files?

journald

In order to create and manage KVM or Qemu virtual machines, a Linux system must have which of the following installed?

libvert

Which of the following commands can be used to display general hardware information for the entire system?

lshw

A government office wants to secure a few of its Linux systems so that they can only use certain USB devices. After plugging in a USB device, which of the following commands could be used to detect certain identifying information that can be used to only allow that type of USB device?

lsusb

Which of the following commands can be used to create and manage a software RAID configuration after installation?

mdadm

Leonard wants to find detailed information about the Bluetooth kernel module. Which of the following commands can he use to display this information?

modinfo bluetooth

What file under the proc directory contains information regarding what modules are currently loaded into the Linux kernel?

modules

Which of the following virsh commands will display the total amount of memory as well as the amount of free memory for a node?

nodememstats

If a Linux installation ends abnormally and the screen displays a fatal signal 11 error, what type of error has occurred?

segmentation fault

Which of the following is a virtual filesystem that is made up of virtual files that a Linux operating system is able to export information to about kernel sub-systems, hardware devices, and device drivers to make it easy for users to access the information?

sysfs

On a system using the KVM hypervisor, which of the following modules would you expect to see as part of the output of the lsmod command on a guest Linux virtual machine?

virtio

What is the term for a ZFS managed filesystem that is created from ZFS pools?

zfs volume

What file in the /proc directory contains information about a computer's CPU?

/proc/cpuinfo

Which of the following commands will display the current CPU(s) detected by a Linux system?

cat/proc/cpuinfo

Select the command that can be used to change the root filesystem to a different directory, such as when you are in a rescue environment.

chroot