Section 3.3 Storage Devices

What is the typical speed of a standard laptop hard drive?

5,400 RPM

Which hard drive speed offers better performance for desktops?

7,200 RPM

Which hard drive speed is commonly used in servers for high performance?

10,000 or 15,000 RPM

What is the common form factor for desktop hard drives?

3.5 inch

What is the common form factor for laptop hard drives?

2.5 inch

What does SSD stand for?

Solid State Drive

What is one benefit of SSDs over HDDs?

Faster read/write speeds and no moving parts

What does NVMe stand for?

Non-Volatile Memory Express

What is the key benefit of NVMe over SATA SSDs?

Much higher speed due to PCIe interface

What interface do traditional SSDs often use?

SATA

What form factor is commonly used for modern high-speed SSDs?

M.2

What is mSATA?

Mini-SATA, used for smaller form factor SSDs

What does PCIe provide for SSDs?

High-speed interface for faster data transfer

What RAID level offers striping without redundancy?

RAID 0

What RAID level offers mirroring for redundancy?

RAID 1

What RAID level offers striping with parity?

RAID 5

What RAID level combines mirroring and striping?

RAID 10

Which RAID level requires at least 3 disks?

RAID 5

Which RAID level requires a minimum of 4 disks?

RAID 10

What is the main advantage of RAID 0?

Increased performance

What is the main disadvantage of RAID 0?

No fault tolerance

What is the main benefit of RAID 1?

Data redundancy

What does RAID stand for?

Redundant Array of Independent (or Inexpensive) Disks

What is the main purpose of RAID?

To improve performance or provide data redundancy

What type of drive uses NAND flash memory?

SSD

What is a flash drive?

Portable USB-based solid state storage device

What is a memory card commonly used in?

Cameras, smartphones, and tablets

What are examples of memory card formats?

SD, microSD, CompactFlash

What is an optical drive used for?

Reading/writing CDs, DVDs, or Blu-rays

What is a disadvantage of optical drives?

Slower speeds and limited storage capacity

Which interface allows M.2 NVMe SSDs to reach high speeds?

PCIe

What is one benefit of using M.2 over 2.5-inch SSDs?

Smaller size and higher speeds

What is the storage technology used in flash drives?

NAND flash memory

Can RAID 1 survive a single disk failure?

Yes

Can RAID 5 survive a single disk failure?

Yes

Can RAID 0 survive any disk failure?

No

Which RAID level offers the best read/write performance and redundancy?

RAID 10

What is a key difference between SATA and NVMe SSDs?

NVMe uses PCIe for much faster data rates

What is the most common use for 5,400 RPM drives?

Mass storage where speed is not critical

What is one advantage of 15,000 RPM drives?

Very high read/write speeds

What kind of storage is best for video editing and gaming performance?

NVMe SSD

Which SSD form factor fits into the same slot as a wireless card?

M.2

Which type of SSD is often used in ultrabooks?

M.2 or mSATA

What component is required to create a RAID array?

RAID controller

What kind of port does a flash drive use?

USB

What tool may be needed to install an M.2 drive?

Screwdriver for securing the module

What is the purpose of removable storage?

Portable storage and easy data transfer

Which storage type has the highest durability and speed?

NVMe SSD