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CLF-C01 Exam - Question 97


A company has a workload that will run continuously for 1 year. The workload cannot tolerate service interruptions.

Which Amazon EC2 purchasing option will be MOST cost-effective?

Show Answer
Correct Answer: A

For a workload that will run continuously for a year, All Upfront Reserved Instances are the most cost-effective option. By paying for the full year upfront, you receive the largest discount compared to other pricing models, including Partial Upfront Reserved Instances and On-Demand Instances. This ensures that the workload can run without disruptions while minimizing costs over the annual term.

Discussion

17 comments
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GV99Option: A
Sep 10, 2022

With the All Upfront option, you pay for the entire Reserved Instance term with one upfront payment. This option provides you with the largest discount compared to On-Demand Instance pricing. https://aws.amazon.com/ec2/pricing/reserved-instances/pricing/

[Removed]Option: A
Oct 24, 2022

All upfront will always be the most cost efficient option

SmartLearnerOption: A
Nov 7, 2022

A is winner.

konieczny69Option: A
Jan 25, 2023

https://parquantix.com/ri-payment-options/ biggest discount

ESAJRROption: A
Jun 29, 2023

A. All Upfront Reserved Instances

man5484Option: A
Jul 13, 2023

Reserved Instances offer a significant discount compared to On-Demand Instances. With All Upfront Reserved Instances, you make a one-time upfront payment for the entire reservation term (1 year in this case), and you receive a discounted hourly rate for the instances. This payment model provides the highest cost savings over the long term.

bilel500Option: A
Sep 7, 2022

Answer is A.

sumanshu
Sep 16, 2022

Vote for A

Istiaque
Sep 28, 2022

Answer is A

marcshjOption: D
Oct 6, 2022

The workload cannot tolerate service interruptions. --> On-Demand

N9
Nov 27, 2022

No, You can choose between three payment options when you purchase a Standard or Convertible Reserved Instance. With the All Upfront option, you pay for the entire Reserved Instance term with one upfront payment. This option provides you with the largest discount compared to On-Demand Instance pricing.

OLABLACK
Oct 10, 2022

The answer is D On-Demand is the best choice for this situation as it is the most economical option that will ensure no interruptions economical option that will ensure no interruptions https://digitalcloud.training/certification-training/aws-certifiedcloud- practitioner/aws-billing-and-pricing/

konieczny69
Jan 25, 2023

howcome on-demand can be cheaper then reserved? stop spreading misleaading information

lwf2
May 24, 2023

This is incorrect, as both On-Demand and Reserved can provide always on capability, but the latter is at far lower cost.

BarackObama
Feb 24, 2024

I declare your answer as WRONG

N9Option: A
Nov 27, 2022

https://aws.amazon.com/ec2/pricing/reserved-instances/pricing/

Saif93Option: A
Jan 19, 2023

A is the answer.

Warsame21Option: A
Jun 15, 2023

selected A

ReidyOption: A
Jan 23, 2024

A. All Upfront Reserved Instances

sonaljainOption: A
Dec 28, 2024

All Upfront Reserved Instances

HebaXXOption: A
Mar 25, 2025

✔ Use Reserved Instances (RIs) for predictable, long-running workloads to save money. ✔ All Upfront RIs provide the biggest discount. ✔ On-Demand is too costly for long-term workloads. ✔ Dedicated Instances are only needed for compliance/security reasons. Partial Upfront Reserved Instances --> Still cost-effective but not as much as All Upfront RIs.