Linux Chapter 6 quiz

False

SAS transfers data to SCSI disks via parallel cables. True or False?

a 15-pin connector

SCSI devices that use an 8-bit-wide data path use a. an 8-pin connector b. a 15-pin connector c. a 50-pin connector d. a 68-pin connector

1

Which RAID level is also referred to as mirroring? a. 0 b. 1 c. 4d. 5

journalctl -b

Which of the following commands can be used on a Fedora 20 system to view hardware and service startup information during the boot process? a. less /var/log/boot.log b. less /var/log/syslog c. journalctl -b d. less /var/log/messages

False

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

chroot

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. sys image c. chroot d. rescue

RAID 0

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

serial RAID

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

zpool iostat zpool Status

The state and performance of a RAID-Z volume can be viewed using what two commands?

5

Which RAID level uses striping with parity? a. 2 b. 4 c. 1d. 5

all of the above

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

False

RAID-Z is functionally equivalent to RAID level 1 True or False?

test

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

iSCSI initiator

Which of the following is used to describe 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

package selection boot loader configuration system host name

Which of the following items are you typically required to configure during a Linux server installation? (Choose all that apply.) a. package selection b. boot loader configuration c. system host name d. update configuration

Software RAID

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

/var/log

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

1U

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

slow and narrow

SCSI-1 is also referred to as: a. fast and narrow b. slow and narrow c. slow and wide d. fast and wide

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

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

in RAM

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