Exam AWS Certified SAP on AWS - Specialty PAS-C01 topic 1 question 39 discussion

Exam question from Amazon's AWS Certified SAP on AWS - Specialty PAS-C01

Question #: 39
Topic #: 1

[All AWS Certified SAP on AWS - Specialty PAS-C01 Questions]

A company is planning to migrate its on-premises SAP ERP Central Component (SAP ECC) system on SAP HANA to AWS. Each month, the system experiences two peaks in usage. The first peak is on the 21st day of the month when the company runs payroll. The second peak is on the last day of the month when the company processes and exports credit data. Both peak workloads are of high importance and cannot be rescheduled.
The current SAP ECC system has six application servers, all of a similar size. During normal operation outside of peak usage, four application servers would suffice.
Which purchasing option will meet the company’s requirements MOST cost-effectively on AWS?

A. Four Reserved Instances and two Spot Instances
B. Six On-Demand Instances
C. Six Reserved Instances
D. Four Reserved Instances and two On-Demand Instances

Show Suggested Answer

Suggested Answer: D 🗳️

by Hyperdanny at Feb. 6, 2023, 4:02 p.m.

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schalke04

Highly Voted 2 years, 6 months ago

Selected Answer: D

d: A. Four Reserved Instances and two on demand Instances would meet the company's requirements most cost-effectively on AWS. The company can use four Reserved Instances for the normal operation and two on demand Instances for the peak workloads during the 21st day of the month and the last day of the month. This will provide the required capacity at the lowest cost.

upvoted 6 times

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DigvijayGhosh

Most Recent 1 year, 8 months ago

Selected Answer: D

D is correct

upvoted 1 times

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kaishin0527

2 years ago

Selected Answer: D

D: Reserved Instances are suitable for predictable workloads and provide a significant discount compared to On-Demand instance pricing. In this case, because four servers are consistently needed, it's cost-effective to use Reserved Instances for these. However, because the other two servers are only needed during peak usage, it's more cost-effective to use On-Demand Instances, which let you pay for compute capacity by the hour or second (minimum of 60 seconds), with no long-term commitments.

upvoted 4 times

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