False
True/False: The 2.5″ size hard drive is typically used in devices such as MP3 players.
True
True/False: The read/write head on a magnetic hard drive is at both the top and bottom of each disk.
False
True/False: Hard drives that can be used for hot-swapping cost significantly less than regular hard drives.
True
True/False: The SATA drive technology utilizes a serial data path.
True
True/False: The faster the spindle rotates on a traditional magnetic drive, the better performance it will have.
solid state drives are less expensive than magnetic hard drives
Which statement regarding hard drives is incorrect?
the 3.5″ size is typically used in desktops; a solid state drive has no moving parts; solid state drives are less expensive than magnetic hard drives; tracks on a hard drive are divided into sectors
low-level formatting
What process writes sector markings to a hard drive?
S.M.A.R.T.
What hard drive technology is used to predict when a drive is likely to fail?
SATA2
What SATA standard provides a transfer rate of 3 Gb/sec?
magnetic drives have larger capacity for the money than solid state drives
Which statement regarding the selection of a hard drive is accurate?
a faster spindle speed keeps the drive cooler but doesn’t improve performance; PATA drives are backward compatible with SATA drives; USB drives are a good choice for fast internal drives; magnetic drives have larger capacity for the money than solid state drives
boot Windows and use Disk Management to prepare the new drive
If you are adding a hard drive to a system that already has a drive with Windows installed on it, what should you do?
to improve overall disk performance
Why might you want to use a RAID 0 disk configuration?
it requires 3 or more drives and uses parity checking
What statement best describes a RAID 5?
data from one drive is mirrored to another; it improves performance but not fault tolerance; it requires 3 or more drives and uses parity checking; it takes at least four disks and data is striped and mirrored
RAID10
What type of RAID is a combination of mirroring and striping?
3100
Which rotation speed is not a typical spindle rotation speed for magnetic hard drives?
3100; 5400; 7200; 10000
185TB
What is the current maximum storage capacity limit of a magnetic tape?
DDS-5
A DAT72 tape is also known by what term?
2
How many layers of data can exist on a single side of a Blu-ray disc?
defragmentation tool
If a computer is performing slowly due to file fragmentation, what Windows tool can be utilized to rearrange fragments?
bootrec
What command line utility can be used to repair the BCD on a Windows installation?
RAID1
Which type of RAID volume is used for fault tolerance and only requires two drives?
SATAIII
The SATA/600 standard is also known by what other name?
wear leveling
What technology is used to assure that the logical block addressing on a solid state drive does not always address the same physical blocks, in order to distribute write operations?
logical block addressing
The hard drive firmware, UEFI/BIOS, and the OS address the sectors on a hard drive utilizing what technology?
7 pins
A SATA data cable has how many pins?
1.5TB native, 3.0TB compressed
How much data can an LTO Ultrium 5 tape hold, native and compressed?
CDFS, UDF
What two different file systems can be used on a Compact Disc (CD)?
SD, SDHC
What two SD standards utilize the FAT file system?
DVD-R DL, DVD+R DL
What two optical disc drive standards support writing discs with a total capacity of 8.5GB?
DVD-RAM, BD-RE
What two optical disc drive standards allow for rewritable discs?
Solid state drives, magnetic drives, and hybrid drives
What three types of technologies are used inside hard drives?
5400, 7200, and 10,000 RPM
At what three speeds in revolutions per minute might the spindle inside a hard drive rotate?
Logical block addressing (LBA)
When the OS addresses sectors on a hard drive as one long list of sequential sectors, what is this technology called?
1.5 Gb/sec, 3 Gb/sec, 6 Gb/sec
What is the transfer speed for SATA I? SATA II? SATA III?
7 pins, 15 pins
How many pins does a SATA internal data cable have? How many pins does a SATA power cable have?
Hot-swapping or hot-plugging
What term describes the technology that allows you to exchange a hard drive without powering down the system?
RAID 1
Which RAID level mirrors one hard drive with a second drive so that the same data is written to both drives?
RAID 5
Which RAID level stripes data across multiple drives to improve performance and also provides fault tolerance?
Four
How many hard drives are necessary to implement RAID 10?
In UEFI/BIOS setup
When implementing RAID on a motherboard, where do you enable the feature?
UDF
What type of file system is used by Blu-ray discs?
exFAT
What type of file system is used by SDXC memory cards?
700 MB
How much data can a CD hold?
Advertised as 17 GB but actually 15.90 GB
How much data can a double-sided, dual-layer DVD hold?
25 GB
How much data can a double-sided, single-layer BD hold?
CD-RW
Which costs more, a CD-R or a CD-RW disc?
MicroSD, also the same size as MicroSDHC and MicroSDXC
Which type of flash memory card is currently the smallest type of card?
The chkdsk command
What command-prompt command do you use to determine if a drive has bad sectors?
bootrec /rebuildBCD
What command can you use to rebuild the BCD
2.5″ and 1.8″ drives
What physical sizes of hard drives are installed in laptops?
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