A systems administrator is performing an OS upgrade on a production VM. Which of the following actions should the administrator take before the upgrade to ensure the FASTEST recovery of the system in case the upgrade fails in an unrecoverable way?

A systems administrator is using VMs to deploy a new solution that contains a number of application VMs.
Which of the following would provide high availability to the application environment in case of hypervisor failure?

An IaaS application has a two-hour RTO and a four-hour RPO. The application takes one hour to back up its data or restore from a local backup file. A systems administrator is tasked with configuring the backup policy.
Which of the following should the administrator configure to achieve the application requirements with the LEAST cost?

A company wants to ensure their website, which allows customers to purchase products, is in a cluster at another geographical location. Which of the following solutions does this represent?

The following three hosts are being put into a virtualization cluster for a new project initiative:

As more VMs are deployed to the cluster, which of the following virtualization technologies is MOST likely to report an error with this configuration?