An administrator is responsible for the following Nutanix Enterprise Cloud environment:
A central datacenter with a 20-node cluster with 1.5PB of storage

✑ Five remote sites each with a 4-node cluster with 200TB storage
The remote sites are connected to the datacenter via 1GB links with an average latency of 6 ms RTT.
What is the minimum RPO the administrator can achieve for this environment?