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What are characteristics of SSD drive technology?

What are characteristics of SSD drive technology? (Select two.)

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A.
Any SSD will immediately lose data when power is removed.

B.
SSD drives are recommended for storage array-tiring strategies

C.
SSD drives compress data natively via the drive interface with an embedded controller.

D.
SSD drives provide faster write performance by eliminating the need for raid calculations

E.
SSD drives manage wear leveling via the drive interface board and embedded controller.

Explanation:

4 Comments on “What are characteristics of SSD drive technology?

  1. wajdi says:

    B AND E

    Solid-state-drives (SSD)
    Rev. 15.21 4 – 5
    Designing HP SMB Storage Solutions
    • Share the I/O interface technology developed for hard drives
    • Use electronic interfaces compatible with traditional block (I/O) hard drives
    • Include a controller that incorporates the electronics that bridge the NAND
    memory components to the host computer. The controller is an embedded
    processor that executes firmware-level code and is one of the most important
    factors of SSD performance.
    Some of the functions performed by the controller include:
     Error checking and correction (ECC)
     Wear leveling
     Managed via the drive interface board and embedded controller
     Bad block mapping
     Read scrubbing and read disturb management
     Read and write caching
     Garbage collection
     Encryption
    • Ideal for mission-critical server applications, databases and online storage
    • SMB and enterprise-level for high-performance workloads
    • Disadvantage is a possible data loss in unpowered drives over longer term
    • Indispensable for storage array tiering strategies




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