What is a benefit of deploying ACI over the NX-OS-based architecture?

A customer has decided to deploy Red Hat OpenShift on a FlexPod solution, based in a published Cisco Validated Design. The customer intends to use the NetApp Trident to attach persistent storage to the customer's containers from the customer's NetApp AFF controllers.
In this scenario, which two storage protocols are supported? (Choose two.)

Which two support account levels are minimally required when you deploy a FlexPod Datacenter solution?
(Choose two.)

During a design meeting, a customer states that their goal is to deliver continuous availability across both network and storage during business continuity events. The customer has two data centers that are 80 km apart, and they want the configuration to be as logically unified across both sites as possible.
In this scenario, which FlexPod data protection solution achieves this goal?

What is the NetApp recommended bit length that the SSL key should be?