A customer suspects someone or something is changing the MAC address of a virtual machine. Which security policy should the customer modify to obtain more information?

An administrator wants to enable vCenter High Availability (vCenter HA) for a VMware vCenter Server Appliance (vCSA). The environment consists of the following:
50ms of latency between sites
vCSA deployment size is small
3 hosts in the cluster hosting vCenter
What must the administrator do to enable vCenter HA?

Which snapshot file is created on VMFS6?

A vSphere administrator has disabled Fault Tolerance on a powered-off VM.
What could cause the VM to fail to power back on?

A VM is created with a thin provisioned disk.
Which two requirements are needed to inflate the disk? (Choose two.)