Which of the following assets have risks related to a cloud provider going out of business?

Creating a new node in a distributed cluster to meet increasing demand is an example of which of the following concepts?

An engineer is configuring the monitoring for a new application server. During the day, the CPU on the server is baselined at approximately 30% utilization. At midnight, a batch job is scheduled to run that will drive the CPU utilization up to 75% for approximately an hour. Any time the CPU utilization is at 40% or higher for longer than ten minutes, administrators will receive an alert.
Which of the following is the BEST method to ensure administrators do not experience message fatigue due to false alerts?

A company is planning to migrate applications to a public cloud, and the Chief Information Officer (CIO) would like to know the cost per business unit for the applications in the cloud. Before the migration, which of the following should the administrator implement FIRST to assist with reporting the cost for each business unit?

An organization is hosting a DNS domain with private and public IP ranges.
Which of the following should be implemented to achieve ease of management?