What is a pre-requisite for increasing datastore capacity? (Choose the best answer.)

Your company is planning to migrate your datacenter to a new location, but they wish to minimize downtime during the transition. You are entirely virtualized at your primary datacenter, and have been given funding to acquire new hardware for the new datacenter. Which of the following products can help you migrate the VMs to the new datacenter?

An administrator needs to configure Proactive High Availability (HA) in a vSphere environment so that virtual machines (VMs) do not run on any partially degraded hosts. The administrator would also like to see the recommendations before VMs are migrated.
Which automation and remediation level should the administrator select? (Choose the best answer.)

What is the minimum CPU core requirement for successful installation, or upgrade, of ESXi on a host?