ITN 170 Chapter 6 quiz

Which of the following commands will display the current CPU(s) detected by a Linux system? a. cat /sys/cpuinfo b. cat /proc/cpuinfo c. cat /etc/cpu.conf d. cat /var/log/boothw.log

cat /proc/cpuinfo

Which of the following commands can quickly determine whether your network hardware was detected properly following a Linux installation? a. cat /proc/modules/network b. lspci c. lshw -class network d. dmesg

lshw -class network

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? usbdetect modusb lspci lsusb

lsusb

Which of the following is not a type of RAID? a. hardware RAID b. software RAID c. firmware RAID d. serial RAID

serial RAID

To display more information about the Linux distribution being used, which parameter should you use with the uname command? -a -b -d -m -e -r

-a

Each SCSI device attached to a system must be assigned an ID number. What is this ID number called? Device ID Target ID SCSI number SCSI controller

Target ID

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

mdadm

Which of the following could result in a segmentation fault (fatal signal 11) during a Fedora installation? a. RAM problems b. overclocked CPU c. faulty hardware components d. all of the above

all of the above

Which of the following describes a computer that is used to access an iSCSI hard disk across the network? a. iSCSI target b. iSCSI requestor c. iSCSI initiator d. iSCSI terminator

iSCSI initiator

In order to create and manage KVM or Qemu virtual machines, a Linux system must have which of the following installed? a. libvm b. virsh c. vmlib d. libvert

libvert

Linux servers are typically installed in a rack using rackmount server hardware. Which of the following describes the minimum height of a rackmount server? a. 1U b. Series A c. Type A d. Level 5

1U

ZFS volumes are mounted at boot time from entries within /etc/fstab by default. True or False? a. True b. False

False

Which parameter should you use with the uname command to display its release date? -b -d -n -a -r -v

-v

To ensure that Linux has detected the correct amount of RAM in the system after installation, you should view the contents of what file in the proc directory? /proc/mem /proc/cpuinfo /proc/meoryinfo /proc/meminfo

/proc/meminfo

You want to view log files to get information about a problem that occurred during a Linux installation. In which directory will you likely find the log files? a. /root/log b. /sys/log c. /var/log d. /etc/log

/var/log

What type of redundant storage configuration is most common for hosting the operating system and applications on a server? a. RAID 5 b. ZFS c. RAID 1 d. SAN + DM-MPIO

RAID 1

Which of the following commands will display messages that were displayed during the boot sequence by the kernel? a. kdis b. kernlog c. messages d. dmesg

dmesg

Which of the following is a type of software that allows a piece of hardware to host multiple operating systems? a. guest operating system b. thick client c. thin client d. hypervisor

hypervisor

Leonard wants to find detailed information about the Bluetooth kernel module. Which of the following commands can he use to display this information? a. modstatus bluetooth b. lsmod bluetooth c. modinfo bluetooth d. modstat bluetooth

modinfo bluetooth

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

modules

Which type of RAID can be entirely configured during the Linux installation process? a. hardware RAID b. software RAID c. firmware RAID d. serial RAID

software RAID

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? tmpfs sysfs procfs varfs

sysfs

BTRFS filesystems do not need to be checked for errors as they are resilient to data corruption. True or False? a. True b. False

False

DM-MPIO can be configured to provide multiple, redundant connections to data stored on a SAN. True or False? a. True b. False

False

What hypervisor functionality is built in to the Linux kernel? KVM Qemu SPICE MPIO

KVM

To display the network node hostname of the Linux system, which parameter of the uname command should you use? -n -d -a -r -b -s

-n

Which parameter of the uname command will display the kernel version number? -r -m -a -b -e -d

-r

To display the kernel name, which parameter should you use with the uname command? -r -d -e -s -a -b

-s

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

/proc/cpuinfo

To which directory will the test ZFS volume from the previous question be mounted by the ZFS system? a. /mnt/test b. /media/test c. /zfs/test d. /test

/test

When viewing the output of the lsmod command, you notice several modules that start with vmw. What does this indicate? a. Linux is running as a guest operating system. b. Device drivers need to be installed on your system. c. There is no virtual memory in your system. d. The system is running the KVM hypervisor.

Linux is running as a guest operating system.

Which of the filesystems listed provides much of the same functionality as RAID? ZFS ext4 SAS BTRFS

ZFS

What is the term for a ZFS managed filesystem that is created from ZFS pools? ZFS store ZFS vault ZFS volume ZFS lake

ZFS volume

The B-tree filesystem is a replacement for which filesystem? ZFS ext4 RAID BTRFS

ext4

What command can be used to create a ZFS volume called test from the space on /dev/sdb and /dev/sdc that functions like RAID level 1? a. zpool create test /dev/sdb /dev/sdc b. zpool create test mirror /dev/sdb /dev/sdc c. zpool create test raidz /dev/sdb /dev/sdc d. zpool create test raidz2 /dev/sdb /dev/sdc

zpool create test mirror /dev/sdb /dev/sdc

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

depmod

Which of the following RAID levels is not fault tolerant? a. RAID 0 b. RAID 1 c. RAID 4 d. RAID 5

RAID 0

What component of a Linux server is used to connect to a Fibre Channel SAN? a. FC initiator b. FC target c. FC HBA d. WWPN

FC HBA

Which command can you use during a system rescue to switch from the root of the live OS to the root of the Linux system installed on the hard disk? a. mount b. sysimage c. chroot d. rescue

chroot

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

ioports

In the lab, you configured your virtual hard disk file to manage its size dynamically. This type of allocation is also referred to as which of the following choices? Thick provisioning Virtual allocation Virtual provisioning Thin provisioning

Thin provisioning

Which command should you run after installing a new kernel module to update the module dependency database? a. insmod b. modprobe c. lsmod d. depmod

depmod

Which of the following is a type of software that allows a piece of hardware to host multiple operating systems? guest operating system thick client thin client hypervisor

hypervisor

Where is the /proc filesystem stored? a. in RAM b. on the hard disk drive in the / directory c. on the hard disk drive in the /etc directory d. on the hard disk drive in the /var directory

in the RAM

Which of the following commands can be used on a modern Linux system to view hardware information that was captured at the beginning of the boot process? a. less /var/log/boot.log b. less /var/log/messages c. less /var/log/syslog d. journalctl -k

journalctl -k

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? systemd messaged logd journald

journald

Which of these choices can NOT be used to manage networked virtual machines? SPICE Boxes VNC KVM

KVM

Which of the following commands can be used to display general hardware information for the entire system? a. lshw b. lscpu c. hwdisp d. hware

lshw

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

nodememstats

When configuring a virtual hard disk file, which term refers to the feature that allows the virtual hard disk file to expand dynamically as space is requested by the guest operating system? a. thick provisioning b. Type 1 c. thin provisioning d. Type 2

thin provisioning

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? a. hv_ b. virtio c. vmw d. hyperv_

virtio

If a Linux installation ends abnormally and the screen displays a fatal signal 11 error, what type of error has occurred? Page fault IRQ fault Segmentation fault RAM failure

Segmentation fault