Which type of storage configuration should be used?

A customer wants to make its data available with a RPO of 10 minutes. Replication to the second data center will be done using the network.

Which type of storage configuration should be used?
A . NFS datastore on ESXi 6.0 with vSphere replication appliance 6.0
B . VMFS datastore on ESXi 6.0 with vSphere replication appliance 6.5
C . vSAN datastore on ESXi 6.0 with vSphere replication appliance 6.5
D . VMFS datastore on ESXi 6.0 with vSphere replication appliance 6.0

Answer: C

Explanation:

vSphere Replication 6.0 lowest RPO is 15 minutes, in vSphere replication 6.5 they introduced lower RPO time.

https://docs.vmware.com/en/vSphere-Replication/6.0/com.vmware.vsphere.replication-admin.doc/GUID-84FAF645-1C65-413D-A89B-70DBA0990631.html#GUID-84FAF645-1C65-413D-A89B-70DBA0990631