Storage Devices Flashcards
Characteristic features of magnetic drives? (3 answers)
High Capacity
Low Device Cost
Low Performance
Characteristic features of Solid-State Drives (SSDs)? (3 answers)
Lower capacity in comparison to magnetic drives
Relatively high device cost
High Performance
Identifies physical device embedded on a SCSI chain.
SCSI ID
A method for identifying logical partitions on a SCSI drive?
LUN
(Logical Unit Number)
What is the maximum allowable number of devices that can be attached to a parallel SCSI bus?
16 devices
Characteristic features of SAS (3 Answers)
Does not require bus termination
Point-to-point connection
Serial interface
A dedicated expansion card used for attaching external storage devices?
eSATA card
What is the maximum number of devices that can be attached to a PC through a single PATA cable?
2
Platters of a magnetic hard drive spin at a rate measured in:
Revolutions per minute (RPM)
A magnetic drives form factor for desktops?
3.5 inch
3 different storage media device interfaces for SSDs?
NVMe
SATA
PCIe
A logical device interface used for accessing non-volatile memory storage devices attached via PCIe is known as:
NVMe
SSD Form Factors (2 Answers)
M.2
mSATA
What was the older, portable device SSD form factor that was superseded by M.2?
mSATA
Which RAID level does not offer fault tolerance?
RAID 0
Hardware RAID Level 0 is also known as:
Disk Striping
Hardware RAID Level 1 is also known as:
Disk Mirroring
Hardware RAID Level 10 requires a minimum of how many drives?
4 Drives
Which type of RAID creates a striped set from a series of mirrored drives?
RAID 1+0
What are 3 popular portable storage devices utilizing flash memory?
Thumb Drive
USB Drive
Flash Drive
A proprietary flash memory card format used mainly in older digital cameras?
xD
A file system designed for optical media?
CDFS
(Compact Disk File System)
What are 3 examples of optical disc drives?
CD-ROM drive
DVD-ROM drive
BD-ROM drive
Due to size restrictions and compact nature of laptops devices, this type of storage media becomes less commonly found on new laptops.
Optical Drives
Which dedicated expansion slots/ports on the PC motherboard enables connecting an M.2 device?
B Key Slot
M Key Slot
B+M Key Slot
Which state of the HDD LED light typically indicates the drive’s normal operation?
Intermittent flashing
Which of the following metrics might be of help in diagnosing the declining performance of a storage drive?
IOPS
(Input/Output operations per second)
Self-Monitoring, Analysis and Reporting Technology (S.M.A.R.T.) monitors the system for what exactly?
HDD/SSD failures