Which operation should be performed on the target host before performing a failback to the R1 side?

A target side host is accessing an R2 device on a PowerMax array. The PowerMax array is a replication partner with another array using SRDF. The target host is running several applications on the R2, but the R1 side is ready to return to production.

Which operation should be performed on the target host before performing a failback to the R1 side?
A . Shut down the applications and unmount the storage
B . Copy the data from the target host to the source host
C . Shut down and power off the target host
D . Snapshot the R2 volume and present the snapshot to the target host

Answer: A