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What is an accurate statement about variable prefetching?

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(@tsuchiuramanual)
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https://www.examsboost.com/test/dea-1tt5/ What is an accurate statement about variable prefetching?

  • A . Many blocks that have recently been written to storage by the compute system are retrieved and placed in cache.
  • B . Many non-contiguous blocks that are not currently required can be retrieved from cache in advance.
  • C . Storage system prefetches data in multiples of the original I/O request size from the compute system.
  • D . Storage system prefetches many non-contiguous blocks of data, with varied sizes, from cache.

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Suggested Answer: D

   
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