Which HPE OneView feature enables the detection of lost Ethernet connectivity on interconnect uplink ports?

A customer need to enable outage-free interconnect firmware updates and seamless failover in an HPE Synergy Implementation. To enable this requirement, which network protocol does a server OS teamimng/bonding driver need to support?

You want to get a list of all servers and their serial number from every Synergy enclosure in the
"OneView-Prod" Instance. You decide to use the HPE OneView PowerShell Library. What Is the first command you should run?

A customer is trying to upload an additional SPP to the OneView appliance, but receives an error message stating that there is not enough internal space available.
What can the customer change on the appliance to enable the upload?

Your customer needs to downgrade the firmware on a number of blades because they experienced issues with the current firmware. The customer modifies the server profile to the required firmware baseline and selects update, but the firmware downgrade is not successful.
What step needs to be taken to ensure the firmware downgrade is applied?