A customer has two EMC VNX configured to replicate between sites. Each VNX has dual Control
Stations. The primary Control Station at the source site fails at 6 p.m. and reboots. At 8 p.m., the
customer completes DR testing and observes that CIFS replication does not failover to the target
site VNX. Why does CIFS replication not failover to the target VNX during the DR test?

A.
Control stations should be set up using IP aliasing.

B.
Control stations should be set up using IP Jumbo Frames.

C.
Control stations have different software revisions.

D.
Control stations have different duplex settings.