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Question 692 - CLF-C02 discussion

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A company runs an uninterruptible Amazon EC2 workload on AWS 24 hours a day. 7 days a week. The company will require the same instance family and instance type to run the workload for the next 12 months.

Which combination of purchasing options should the company choose to MOST optimize costs? (Select TWO.)

A.
Standard Reserved Instance
Answers
A.
Standard Reserved Instance
B.
Convertible Reserved Instance
Answers
B.
Convertible Reserved Instance
C.
Compute Savings Plan
Answers
C.
Compute Savings Plan
D.
Spot Instance
Answers
D.
Spot Instance
E.
All Upfront payment
Answers
E.
All Upfront payment
Suggested answer: A, E

Explanation:

For workloads running 24/7 for a year, Standard Reserved Instances provide a significant discount compared to On-Demand pricing. Choosing the 'All Upfront' payment option maximizes the cost savings as AWS offers the highest discount for upfront payments. Convertible Reserved Instances provide flexibility to change the instance type but usually at a slightly higher cost than Standard Reserved Instances. Compute Savings Plans offer cost savings, but in this scenario, the best optimization would be a combination of Standard Reserved Instances with All Upfront payment. Spot Instances are not suitable due to their interruptible nature. References:

AWS EC2 Reserved Instances

AWS Savings Plans

asked 16/09/2024
Steve Parnell
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