Which of the following is a common spindle speed for an HDD?
C) 7200
Common spindle speeds on magnetic hard drives are 5400, 7200, 10,000, and 15,000 RPM.
Which form factor connects directly to a dedicated motherboard socket?
C) M.2 SSD
The M.2 (and mSATA) SSD has a dedicated motherboard socket.
Which of the following is an advantage of an NVMe SSD?
B) Faster read/write speeds
NVMe SSDs offer significantly faster read/write speeds than mechanical hard drives or SATA SSDs.
Which of the following is not an SSD form factor?
D) 3.5 inch
3.5 inch is a form factor for mechanical hard drives, not SSDs.
How do SSDs avoid the need to use moving mechanical parts?
B) By using flash memory
SSDs use flash memory such as NAND in place of the less reliable spinning
disks used by mechanical HDDs.
What is the maximum cable length of an internal SATA device?
C) 1 meter
The maximum cable length of an internal SATA device is 1 meter.
What is the maximum number of SATA drives you can have on a system?
A) There is no maximum other than the limitations of your motherboard/host card.
There is no maximum number of SATA drives you can have on a system beyond the limits imposed by the number of ports on your motherboard/host card.
Which SATA version offers the least overhead (and thus best performance)?
D) SATAe
SATA Express (SATAe) uses the PCIe bus and has none of the traditional SATA overhead.
Which standard supports magnetic SATA drives most efficiently?
C) AHCI
The AHCI standard supports magnetic SATA drives efficiently.
Which RAID standard requires at least four drives?
A) RAID 10
RAID 10 requires at least four drives.
What level of RAID increases drive size and access speed without providing any type of data redundancy?
C) RAID 0
RAID 0 is rarely used because, while it usefully increases storage space and access speed, it actually increases the likelihood of losing data due to drive failure.
What is the maximum throughput of a SATA II drive?
B) 3 Gbps
SATA II runs at 3 Gbps. Technically, the name of the technology is SATA Revision 2.x or SATA 3Gb/s, not SATA II.
Incorrect:
First generation SATA runs at 1.5 Gb. The other two answers are made up.
You want to configure disk striping on a desktop PC. Which of the following levels of RAID will accomplish this?
C) RAID 0
RAID 0 is also known as striping. This level of RAID has no fault tolerance. If one of your drives dies in the RAID array, the entire array is lost.
Incorrect Answers:
RAID 1 is mirroring.
RAID 5 is block-level striping with distributed parity.
RAID 10 is a hybrid RAID. It's a mirrored set in a striped set.
You are setting up a RAID 5 drive array on your desktop PC. You have two 500-GB SATA HDD's. One of the drives is 7200 RPM and the other is 5400 RPM. Your RAID setup utility is unable to configure the RAID 5 array. What is the problem?
A) You need a minimum of 3 drives for RAID 5
You must have a minimum of 3 hard drives in order to set up RAID 5.
Incorrect Answers:
SATA is completely compatible with RAID.
You don't have to have matching RPM's (or capacities for that matter) for RAID 5.
And finally, if you have a traditional ATX motherboard with at least 4 SATA ports on it, there's a good chance you too can do RAID 5!
If a device is hot-swappable, why should you use the Safely Remove Hardware Tool?
D) It enables any open files on the device to be closed.
Safely Remove Hardware enables open files on the removable device to close.
Incorrect Answers:
The other answers are untrue and incorrect.
Mass storage is organized into __________?
B) LBAs
Storage is organized into Logical Blocks (LBAs). Gigabytes and Gibibytes describe capacity, not organizational structure. Pages are the organizational structure of SSDs but not of all mass storage devices.
Which does NOT describe a mass storage device?
C) M.1 drive
An M.1 drive is not a mass storage device; it is a made-up term that closely resembles the M.2 form factor. Optical drives, magnetic drives, and SSDs are all mass storage.
Which is a standard command and connection standard for mass storage devices?
C) ATA
Advanced Technology Attachment (ATA) is a command and connection standard for mass storage devices. Form factors are not command or connection standards. LBA is an organization structure for mass storage devices.
SATA drives use how many wires to transfer data to and from the computer?
A) 1
SATA is a serial interface; all data moves in sequence (serial) over a single wire. SATA does not use 2, 4, or 8 wires to transfer data.
SSDs are organized into logical blocks, but their memory storage cells are called what?
D) Pages
SSD memory cells are called pages. Magnetic drive storage units are called sectors. Slots and sockets are not terms to describe storage units.
Which interface is the fastest?
C) NVMe
NVMe uses PCIe lanes and is the fastest of these interface choices. PATA is the slowest; SATA and SCSI speeds fall between NVMe and PATA.
Combine SCSI with SATA to get ____________?
A) SAS
Serial Attached SCSI (SAS) uses the SATA connector with the SCSI command language. M.2 is a connector interface and form factor. SSCSI and SASI are made up terms.
Running SCSI commands over Ethernet is called __________?
A) iSCSI
iSCSI uses SCSI commands sent over Ethernet. SCSIi, eSCSI, and SCSIe are made up terms.
Author
dior
ID
362036
Card Set
Mike Myers_Chapter 8_Mass Storage Technologies
Description
Questions are from the end of the chapter, Udemy and TotalTester Online.