An administrator has a 4-node PowerHA cluster which was successfully verified and synchronized
on Sunday.
On Wednesday the cluster was changed by a different administrator.

The cluster must be returned to the Sunday configuration and resynchronized.
How would an administrator restore the cluster to the original configuration when the changes
made on Wednesday are not known?

A.
Restore the most recent mksysb backup.

B.
Restore the manual cluster snapshot which is 3 months old.

C.
Rebuild the cluster configuration manually, then verify and synchronize.

D.
Restore from the cluster snapshot automatically generated at the last synchronize.