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CompTIA

220-802 · Question #611

Which of the following storage types would be MOST resilient to physical drops and damage within a laptop?

The correct answer is D. SSD. SSDs contain no moving mechanical parts, making them far more resistant to physical shock and drops compared to any hard disk drive variant used in laptops.

Hardware

Question

Which of the following storage types would be MOST resilient to physical drops and damage within a laptop?

Options

  • ASAS HDD
  • BHDD
  • CRAID HDD
  • DSSD

How the community answered

(41 responses)
  • A
    2% (1)
  • C
    5% (2)
  • D
    93% (38)

Why each option

SSDs contain no moving mechanical parts, making them far more resistant to physical shock and drops compared to any hard disk drive variant used in laptops.

ASAS HDD

SAS HDDs are enterprise-grade spinning mechanical drives and are just as vulnerable to physical shock damage as standard HDDs, if not more so due to higher rotational speeds.

BHDD

Standard HDDs have spinning platters and actuator arms, making them highly susceptible to damage from physical drops and vibration.

CRAID HDD

A RAID configuration using HDDs still relies on mechanical spinning drives; adding RAID redundancy does not make the individual drives physically shock-resistant.

DSSDCorrect

Traditional HDDs use spinning magnetic platters and a mechanical actuator arm with read/write heads that float nanometers above the platter surface. Physical shock or a drop can cause the head to contact the platter (head crash), resulting in data loss or drive failure. SSDs store data in NAND flash memory chips with no moving parts, giving them a dramatically higher tolerance for physical impact.

Concept tested: SSD shock resistance versus HDD mechanical vulnerability

Source: https://www.comptia.org/content/guides/what-is-a-solid-state-drive

Topics

#SSD#HDD#laptop storage#physical durability

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