NS0-513 practice - PrepKeys

Q1 Single choice

You have a FAS9000 with 10 TB NL-SAS drives that is replicating to a FAS8200 with 4 TB NL-SAS drives.
An 80 TB source volume on the FAS9000 is showing 50% storage efficiency. After that volume mirror is initialized, the FAS8200 destination volume is showing only 10% storage efficiency.

In this scenario, why is storage efficiency reduced after replication?

A
The different controller models require logical replication.
B
The different sized drives use different efficiency methods.
C
The source volume has inline deduplication enabled.
D
The destination volume has post process compression enabled.