Linux Fundamentals HW6

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

C) iSCSI initiator

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

A) 1U

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_

B) virtio

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

B) Target ID

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

C) chroot

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

C) 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

C) thin provisioning

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

D) hypervisor

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

D) journalctl -k

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

A) lshw

What command is used to manage a software RAID configuration after installation? A) mdadm B) mdraid C) vgadm D) pgadm

A) mdadm

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

B) 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. A) change_root B) chroot C) set_root D) croot

B) chroot

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

B) ioports

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

C) /var/log

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

C) FC HBA

What is the term for a ZFS managed filesystem that is created from ZFS pools? A) ZFS store B) ZFS vault C) ZFS volume D) ZFS lake

C) ZFS volume

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? A) /proc/mem B) /proc/cpuinfo C) /proc/meoryinfo D) /proc/meminfo

D) /proc/meminfo

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? A) usbdetect B) modusb C) lspci D) lsusb

D) lsusb

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

D) modules

Which of the following is not a type of RAID? A) hardware RAID B) software RAID C) firmware RAID D) serial RAID

D) serial RAID

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

B) /proc/cpuinfo

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

B) False

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

B) False

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

C) lshw -class network

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

C) modinfo bluetooth

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

B) False

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? A) tmpfs B) sysfs C) procfs D) varfs

B) sysfs

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

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

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

C) RAID 1

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

C) Segmentation fault

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

D) /test

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

D) all of the above

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

D) depmod

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? A) systemd B) messaged C) logd D) journald

D) journald

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

D) libvert

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.

A) Linux is running as a guest operating system.

Which of the following RAID levels is not fault tolerant? A) RAID 0 B) RAID 1 C) RAID 4 D) RAID 5

A) RAID 0

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

A) in RAM

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

A) mdadm