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