linux ch6 comp & rev quiz

Which statements describe a hypervisor? (Select two) -Only Available on Linux servers -Offers physical redundancy on a single piece of hardware -Enables virtual machines to access virtualized hardware -Allows multiple instances of OSs to run simultaneously on one physical server

-Enables virtual machines to access virtualized hardware -Allows multiple instances of OSs to run simultaneously on one physical server

Which of the following RAID levels is not fault tolerant? -RAID 0 -RAID 1 -RAID 4 -RAID 5

-RAID 0

Which of the hypervisors below are type 2? (Select two) -Citrix Xen -Microsoft Hyper-Drive -VMware Workstation -VMware ESXi -Oracle Virtual Box

-VMware Workstation -Oracle Virtual Box

To which directory will the test ZFS volume be mounted by the ZFS system? zpool create test raidz /dev/sdb /dev/sdc /dev/sdd /dev/sde -/mnt/test -/media/test -/zfs/test -/test

/test

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? -/root/log -/sys/log -/var/log -/etc/log

/var/log

Which statement describes ZFS? -Can detect and repair data errors automatically as data is read and written -Mounted through /etc/fstab -Designed for ease of administration with simplicity and minimal capabilities -Will become the replacement for Ext4

Can detect and repair data errors automatically as data is read and written

What component of a Linux server is used to connect to a Fibre Channel SAN? -FC initiator -FC target -FC HBA -WWPN

FC HBA

Due to advancements in computing technology, there is a thin line between high end business PCs and enterprise servers' hardware specifications. (True of False)

False

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

False

What do subdirectories whose names are numbers under /proc directory represent? -Installed hardware -Processes -Lost+Found files -Logs

Processes

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

RAID 1

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

True

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

all of the above

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? -mount -sysimage -chroot -rescue

chroot

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

iSCSI initiator

Which of the following commands can be used on a modern Linux system to view the same information show by the dmesg command? -less /var/log/boot.log -less /var/log/messages -journalctl -b -journalctl -k

journalctl -k

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

lshw -class network

Which of the following is not a type of RAID? -hardware RAID -software RAID -firmware RAID -serial RAID

serial RAID

What does the dmesg command do? -Analyzes core dump files -Delete log files -Displays messages generated by device drivers -Detaches message

-Displays messages generated by device drivers

Which are typically loaded into the Linux kernel as a module? (Select three) -Graphics card -NIC -SATA drives -Motherboard chipset

-Graphics card -NIC -Motherboard chipset

Which statements describe a server installation process? (Select three) -No GUI interface -IP address is dynamically assigned -System service configuration offered during installation -Provided with a choice of packages and only the necessary ones are selected and installed

-No GUI interface -System service configuration offered during installation -Provided with a choice of packages and only the necessary ones are selected and installed

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

1U

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

False

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

Linux is running as a guest operating system.

Find the match. Supported by Linux Most SAN implementation Implemented by BIOS -Software RAID -Hardware RAID -Firmware RAID

Supported by Linux-Software RAID Most SAN implementation-Hardware RAID Implemented by BIOS-Firmware RAID

What is system rescue? -The process of using a live OS to repair problems associated with the live OS. -The process of using a live OS to repair problems on another Linux system installed on a separate disk. -The process of using the installed tools on the current system to repair problems associated with the current system -The process of saving power on the current system.

The process of using a live OS to repair problems on another Linux system installed on a separate disk.

Where is the /proc filesystem stored? -in RAM -on the hard disk drive in the / directory -on the hard disk drive in the /etc directory -on the hard disk drive in the /var directory

in RAM

Which type of RAID can be entirely configured during the Linux installation process? -hardware RAID -software RAID -firmware RAID -serial RAID

software RAID

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? -thick provisioning -Type 1 -thin provisioning -Type 2

thin provisioning

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? -zpool create test /dev/sdb /dev/sdc -zpool create test mirror /dev/sdb /dev/sdc -zpool create test raidz /dev/sdb /dev/sdc -zpool create test raidz2 /dev/sdb /dev/sdc

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