You work in the SAN engineering department for a company that has deployed their Microsoft Exchange 2010 application on EMC Symmetrix VMAX storage arrays across multiple site locations. The VMAX storage arrays utilize SRDF for disaster recovery. You are required to enforce thin pool utilization limits to avoid any performance implications that could arise from over-subscription.
Which two thin pool parameters should be used?

A.
Maximum subscription and pre-allocate each volume

B.
Write balancing and do not pre-allocate each volume

C.
Rebalancing variance and pre-allocate each volume

D.
Maximum scan device range and do not pre-allocate each volume