At which levels of SSD remaining write endurance does the health status change from Healthy to Warning - Error - Critical?

In what range does the VxRail Manager Health indicator show "yellow" for IOPS, CPU, and memory usage?

You have just upgraded a VxRail Cluster from version 4.5.x to version 4.7.x. You need to ensure that new VxRail 4.7.x nodes will be discovered to enable Cluster expansion. The customer does not want to make any changes to the existing ToR switch infrastructure.
What action is necessary to ensure discovery of the new nodes?

Once a VxRail cluster has been acquired, what is the correct sequence of steps to deploy it?

A VxRail cluster is being deployed with an external vCenter Server.
What role needs to be assigned to the new VxRail Management User account within vCenter?