7. Storage Devices

Question 1

What SDD size is only used in small laptops?

Answer 1

1.8”

Question 2

What SSD form factor is used when replacing an HDD inside a laptop or small desktop?

Answer 2

2.5”

Question 3

What SDD form factor looks like a memory chip and is used in laptops?

Answer 3

M2

Question 4

What connector does older SSDs use?

Answer 4

7+15 pin SATA

Question 5

What connector allows an SSD to be used as an adapter card that can be plugged into a combined data and power port on the motherboard?

Answer 5

mSATA

Question 6

What is the communication protocol used with the M2 form factor to plug
directly into the motherboard?

Answer 6

Non-Volatile Memory Express (NVMe)

Question 7

What are the five types of RAID (Redundant Array of Independent Disks)?

Answer 7

RAID 0, 1, 5, 6, and 10

Question 8

Which RAID is good for speed but provides no data redundancy, and has no loss of disk space?

Answer 8

RAID 0

Question 9

Which RAID only provides full data redundancy?

Answer 9

RAID 1

Question 10

Which RAID has striping with parity, and one disk can be lost without any loss in data?

Answer 10

RAID 5

Question 11

Which RAID has double striping with parity, and two disks can be lost without any loss in data?

Answer 11

RAID 6

Question 12

Which RAID combines full data redundancy with performance speed?

Answer 12

RAID 10

Question 13

Which RAIDs are considered “failure resistant”, meaning they protect against the loss of erased data?

Answer 13

RAID 1, RAID 5

Question 14

Which RAIDs are considered “fault tolerant”, meaning they can function even when a component fails?

Answer 14

RAID1, RAID 5, RAID 6

Question 15

Which RAID is considered “disaster tolerant” and has two independent zones with full data access?

Answer 15

RAID 10

Question 16

What technical standard developed byt Intel allowed hot-swappable capacity with SATA cables?

Answer 16

Advanced Host Controller Interface (AHCI)

Question 17

What was the max speed of the original SD cards?

Answer 17

25 MB/s

Question 18

What is the max speed of UHS-1 SD cards?

Answer 18

108 MB/s

Question 19

What is the max speed of UHS-2 SD cards?

Answer 19

312 MB/s

Question 20

What is the max speed of UHS-3 SD cards?

Answer 20

624 MB/s

Question 21

How much storage space did the original CDs support?

Answer 21

650~700 MB | 74~80 mins of music

Question 22

How much storage space did DVDs support?

Answer 22

4.7 GB or 8.4 GB

Question 23

How much storage space did Blu-ray Discs (BDs) support?

Answer 23

25 GB or 50 GB

Question 24

What drive speed do CDs support for music?

Answer 24

1X = 150 KB/s

Question 25

What drive speeds do CDs support for data?

Answer 25

2X / 44X / 16X / 24X

Question 26

What X-rating is used to measure the drive speed of DVDs?

Answer 26

1X = 1.385 MB/s

Question 27

What X-rating is used to measure the drive speed of Blu-ray?

Answer 27

1X = 4.5 MB/s