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Question 45 - CLF-C02 discussion

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A company has two AWS accounts in an organization in AWS Organizations for consolidated billing.

All of the company's AWS resources are hosted in one AWS Region.

Account A has purchased five Amazon EC2 Standard Reserved Instances (RIs) and has four EC2 instances running. Account B has not purchased any RIs and also has four EC2 instances running.

Which statement is true regarding pricing for these eight instances?

A.
The eight instances will be charged as regular instances.
Answers
A.
The eight instances will be charged as regular instances.
B.
Four instances will be charged as RIs, and four will be charged as regular instances.
Answers
B.
Four instances will be charged as RIs, and four will be charged as regular instances.
C.
Five instances will be charged as RIs, and three will be charged as regular instances.
Answers
C.
Five instances will be charged as RIs, and three will be charged as regular instances.
D.
The eight instances will be charged as RIs.
Answers
D.
The eight instances will be charged as RIs.
Suggested answer: B

Explanation:

The statement that is true regarding pricing for these eight instances is: four instances will be charged as RIs, and four will be charged as regular instances. Amazon EC2 Reserved Instances (RIs) are a pricing model that allows users to reserve EC2 instances for a specific term and benefit from discounted hourly rates and capacity reservation. RIs are purchased for a specific AWS Region, and can be shared across multiple accounts in an organization in AWS Organizations for consolidated billing. However, RIs are applied on a first-come, first-served basis, and there is no guarantee that all instances in the organization will be charged at the RI rate. In this case, Account A has purchased five

RIs and has four instances running, so all four instances will be charged at the RI rate. Account B has not purchased any RIs and also has four instances running, so all four instances will be charged at the regular rate. The remaining RI in Account A will not be applied to any instance in Account B, and will be wasted.

asked 16/09/2024
Balanavaneethan Nitharsan
29 questions
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