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False |
True/False: The 2.5" size hard drive is typically used in devices such as MP3 players. |
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True |
True/False: The read/write head on a magnetic hard drive is at both the top and bottom of each disk. |
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False |
True/False: Hard drives that can be used for hot-swapping cost significantly less than regular hard drives. |
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True |
True/False: The SATA drive technology utilizes a serial data path. |
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True |
True/False: The faster the spindle rotates on a traditional magnetic drive, the better performance it will have. |
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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 |
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low-level formatting |
What process writes sector markings to a hard drive? |
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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 |
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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? |
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to improve overall disk performance |
Why might you want to use a RAID 0 disk configuration? |
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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? |
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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? |
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CDFS, UDF |
What two different file systems can be used on a Compact Disc (CD)? |
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SD, SDHC |
What two SD standards utilize the FAT file system? |
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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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