A customer has mapped a volume to a Windows 2008 server using two 16 Gb FC paths and two 1 Gb iSCSI
paths. The customer needs the traffic to split equally across only the two FC paths without using iSCSI under
normal conditions. If the FC network is down, traffic should failover to the iSCSI paths to maintain connectivity.
Which Windows 2008 multi-pathing policy should be used?

A.
Round Robin With Subset

B.
Fail Over Only

C.
Least Queue Depth

D.
Round Robin

Explanation:
https://technet.microsoft.com/en-us/library/ee619734(v=ws.10).aspx