Dell EMC Exam E20-526 Topic 9 Question 42 Discussion

Actual exam question for Dell EMC's E20-526 exam

Question #: 42
Topic #: 9

Which SCSI instructions are used to build a bitmap of the changes between the first snapshot and subsequent snapshots when RecoverPoint is used with XtremIO?

ASCSI Delta

BSCSI Transfer

CSCSI DIFF

DSCSI Update

Show Suggested Answer

Suggested Answer: C

DIFF protocol - A vendor specific SCSI command which RecoverPoint uses to query XtremIO with in order to obtain a bitmap of changes between two snapshot sets.

RecoverPoint uses the output of DIFF command to read the actual data and transfer it to the target side.

References: EMC RECOVERPOINT REPLICATION OF XTREMIO, Understanding the essentials of RecoverPoint Snap-based replication for XtremIO, page 9

https://www.emc.com/collateral/white-papers/h14296-wp-recoverpoint-replication-of-xtremio.pdf

by Paz at May 09, 2022, 11:38 AM

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