Questions and Answers 5

Question 1

Which of the following is a common spindle speed for an HDD?

Answer 1

Common spindle speeds on magnetic hard drives are 5400, 7200, 10,000, and 15,000 RPM

Question 2

Which form factor connects directly to a dedicated motherboard socket?

Answer 2

The M.2 ( and mSATA) SSD has a dedicated motherboard socket.

Question 3

Which of the following is an advantage of an NVMe SSD?

Answer 3

NVMe SSDs offer significantly faster read/write speeds than mechanical hard drives or SATA SSDs.

Question 4

Which of the following is not an SSD form factor?

Answer 4

3.5 inch is a form factor for mechanical hard drives, not SSDs

Question 5

How do SSDs avoid the need to use moving mechanical parts?

Answer 5

SSDs use flash memory such as NAND in place of the less reliable spinning disks used by mechanical HDDs.

Question 6

What is the maximum cable length of an internal SATA device?

Answer 6

1 meter

Question 7

What is the maximum number of SATA drives you can have on a system?

Answer 7

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.

Question 8

Which SATA version offers the least overhead ( and thus best performance)?

Answer 8

SATA Express (SATAe) uses the PCIe bus and has none of the traditional SATA overhead.

Question 9

Which standard supports magnetic SATA drives most efficiently?

Answer 9

The AHCI standard supports magnetic SATA drives efficiently.

Question 10

Which RAID standard requires at least four drives?

Answer 10

RAID 10 requires at least four drives.