An administrator is installing vCenter Server for an environment that has 40 ESXi 6.x Hosts and 150 virtual machines.
Which database would meet the minimal requirements needed for this task?

An administrator deploys vCenter Server using the embedded Platform Services Controller. After testing the deployment for a couple of months, it is determined that
the environment would be better served with an external Platform Services Controller.
What should the administrator do to meet this new requirement?

Which vSphere 6 Standard Edition feature will allow an organization to ensure that critical multi-threaded applications have the maximum possible uptime?

Which vSphere 6 Enterprise Edition feature will allow an organization to ensure that critical multi-threaded applications have the maximum possible uptime?

By default, each ESXi 6.x host is provisioned with a certificate from which root certificate authority?