An administrator needs to take a single node down for maintenance. Which two steps should the administrator take? (Choose two)

A node in an otherwise healthy RF2 cluster fails and the administrator receives an alert about it.
Which statement is true in this situation?

Users report that data mining workloads on a single node in a Nutanix cluster are slow.
Which method should the administrator use to determine what may be causing this issue?

What is the maximum number of tested and supported vDisks (including snapshots) that is a Nutanix cluster can maintain?

An administrator has a cluster in a secure environment. The administrator wants to disable password authentication over SSH to access the cluster.
Which configure should the administrator use to disable password authentication over SSH?