A company needs to optimize the cost of its Amazon EC2 instances.The company also needs to change the type and family of its EC2 instances every 2-3 months.
What should the company do to meet these requirements?
Purchase Partial Upfront Reserved Instances for a 3-year term.
Purchase a No Upfront Compute Savings Plan for a 1-year term.
Purchase All Upfront Reserved Instances for a 1-year term.
Purchase an All Upfront EC2 Instance Savings Plan for a 1-year term.