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

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

View Answer

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