Which technique is used to identify the duplicate segments in the SISL process used by Dell EMC Data Domain?

Posted by: Pdfprep Category: E20-585 Tags: , ,

Which technique is used to identify the duplicate segments in the SISL process used by Dell EMC Data Domain?
A . Compression
B . Segmenting
C . Hashing
D . Summary vector

Answer: D

Explanation:

The summary vector and segment locality techniques identify 99% of the duplicate segments in RAM (Inline) before storing to disk.

References:

https://www.emc.com/collateral/hardware/white-papers/h7221-data-domain-sisl-sclg-arch-wp.pdf

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