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Bob and Susan each have an AWS account in AWS Organizations. Susan has five Reserved Instances (RIs) of the same type and Bob has none. During one particular hour, Susan uses three instances and Bob uses six for a total of nine instances on the organization's consolidated bill.Which of the following statements are correct about consolidated billing in AWS Organizations? (Select two)Question 59AnswerA.Bob receives the cost-benefit from Susan's Reserved Instance (RI) only if he launches his instances in the same AWS Region where Susan purchased her Reserved Instances (RI)B.Bob does not receive any cost-benefit since he hasn't purchased any Reserved Instance (RI). If his account has even one RI, then the cost-benefit from Susan's account is also added to his accountC.AWS bills three instances as Reserved Instances (RI), and the remaining six instances as regular instancesD.AWS bills five instances as Reserved Instances, and the remaining four instances as regular instancesE. Bob receives the cost-benefit from Susan's Reserved Instances (RI) only if he launches his instances in the same Availability Zone (AZ) where Susan purchased her Reserved InstancesData retention summary

Question

Bob and Susan each have an AWS account in AWS Organizations. Susan has five Reserved Instances (RIs) of the same type and Bob has none. During one particular hour, Susan uses three instances and Bob uses six for a total of nine instances on the organization's consolidated bill.Which of the following statements are correct about consolidated billing in AWS Organizations? (Select two)Question 59AnswerA.Bob receives the cost-benefit from Susan's Reserved Instance (RI) only if he launches his instances in the same AWS Region where Susan purchased her Reserved Instances (RI)B.Bob does not receive any cost-benefit since he hasn't purchased any Reserved Instance (RI). If his account has even one RI, then the cost-benefit from Susan's account is also added to his accountC.AWS bills three instances as Reserved Instances (RI), and the remaining six instances as regular instancesD.AWS bills five instances as Reserved Instances, and the remaining four instances as regular instancesE. Bob receives the cost-benefit from Susan's Reserved Instances (RI) only if he launches his instances in the same Availability Zone (AZ) where Susan purchased her Reserved InstancesData retention summary

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Solution

The correct answers are:

A. Bob receives the cost-benefit from Susan's Reserved Instance (RI) only if he launches his instances in the same AWS Region where Susan purchased her Reserved Instances (RI)

D. AWS bills five instances as Reserved Instances, and the remaining four instances as regular instances

Explanation:

A. AWS Reserved Instances are available to every account within an organization's consolidated billing family, regardless of which account within the organization purchased the RIs. However, the instances must be launched in the same region where the RIs were purchased to receive the cost benefit.

D. In AWS, if the total number of instances used in an hour exceeds the number of available RIs, AWS bills the extra instances at the regular, on-demand rate. In this case, Susan has 5 RIs and uses 3, leaving 2 RIs available. Bob uses 6 instances, so 2 of Bob's instances are billed at the RI rate and the remaining 4

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