A.Parallel and Serial
B.Serial and Asynchronous
C.Parallel and Synchronous
D.Synchronous and Asynchronous

A.Move the storage into a common SAN and virtualize the I/O using a single VIO Server with dual NIC connectors and dual HBAs
B.Move the existing physical network and storage adapters to the new system and virtualize the I/O using a  single VIO Server.
C.Move the storage into a common SAN and virtualize the I/O using dual VIO Servers, each with dual NIC  connectors and dual HBAs.
D.Move the storage into a common SAN and virtualize the I/O using dual VIO Servers, one with dual NIC  connectors and the other with dual HBAs.