Module 7 Flashcards
T/F: The SATA drive technology utilizes a serial data path.
True
T/F: The read/write head on a magnetic hard drive is at both the top and bottom of each disk.
True
T/F: Hard drives that can be used for hot-swapping cost significantly less than regular hard drives.
False
T/F: The 2.5” size hard drive is typically used in devices such as MP3 players.
False
T/F: The faster the spindle rotates on a traditional magnetic drive, the better performance it will have.
True
What SATA standard provides a transfer rate of 3 Gb/sec?
SATA2
What is the current maximum storage capacity limit of a magnetic tape?
185 TB
What command line utility can be used to repair the BCD on a Windows installation?
bootrec
How many layers of data can exist on a single side of a Blu-ray disc?
2
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?
wear leveling
What statement best describes a RAID 5?
it requires 3 or more drives and uses parity checking
If you are adding a hard drive to a system that already has a drive with Windows installed on it, what should you do?
boot Windows and use Disk Management to prepare the new drive
What hard drive technology is used to predict when a drive is likely to fail?
S.M.A.R.T.
A DAT72 tape is also known by what term?
DDS-5
A SATA data cable has how many pins?
7 pins
If a computer is performing slowly due to file fragmentation, what Windows tool can be utilized to rearrange fragments?
defragmentation tool
Which statement regarding the selection of a hard drive is accurate?
magnetic drives have larger capacity for the money and solid state drives
Which type of RAID volume is used for fault tolerance and only requires two drives?
RAID1
Which statement regarding hard drives is incorrect?
solid state drives are less expensive than magnetic hard drives
Why might you want to use a RAID 0 disk configuration?
to improve overall disk performance
What process writes sector markings to a hard drive?
low-level formatting
What type of RAID is a combination of mirroring and striping?
RAID10
The hard drive firmware, UEFI/BIOS, and the OS address the sectors on a hard drive utilizing what technology?
logical block addressing
The SATA/600 standard is also known by what other name?
SATAIII
Which rotation speed is not a typical spindle rotation speed for magnetic hard drives?
3100
What two SD standards utilize the FAT file system?
SD
SDHC
How much data can an LTO Ultrium 5 tape hold, native and compressed?
- 5TB native
3. 0TB compressed
What two optical disc drive standards support writing discs with a total capacity of 8.5GB?
DVD-R DL
DVD+R DL
What two different file systems can be used on a Compact Disc (CD)?
CDFS
UDF
What two optical disc drive standards allow for rewritable discs?
DVD-RAM
BD-RE
autodetection
a feature in startup BIOS that detects a new drive and selects the correct drive configuration
fault tolerance
a computer’s ability to respond to a hardware failure
RAID controller
a hardware component that facilitates a hardware RAID implementation
mirrored volume
a storage configuration in which data is duplicated on one drive to another drive
NAND flash memory
a chip that contains grids of rows and columns with two transistors at each intersection that hold a zero or one bit
WORM drive / cartridge
assures that data written onto a tape will not be deleted or overwritten
file system
the overall structure an OS uses to name, store, and organize files on a drive
spanning
uses two hard drives to hold a single Windows volume
striped volume
a type of volume that writes data to all physical disk members evenly for the purpose of improving performance
UDF
- universal disk format