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Exam AWS Certified SAP on AWS - Specialty PAS-C01 topic 1 question 104 discussion

Exam question from Amazon's AWS Certified SAP on AWS - Specialty PAS-C01
Question #: 104
Topic #: 1
[All AWS Certified SAP on AWS - Specialty PAS-C01 Questions]

An SAP engineer is designing a storage configuration for an SAP S/4HANA production system on AWS. The system will run on an Amazon EC2 instance with a memory size of 2 TB. The SAP HANA sizing report recommends storage of 2,400 GB for data and 512 GB for logs. The system requires 9,000 IOPS for data storage and throughput of 300 MBps for log storage.

Which Amazon Elastic Block Store (Amazon EBS) volume configuration will meet these requirements MOST cost-effectively?

  • A. For /hana/data, use two 900 GB Provisioned IOPS SSD (io1) EBS volumes that are configured with RAID 0 striping and the required IOPS. For /hana/log, use one 512 GB General Purpose SSD (gp3) EBS volume that is configured with the required throughput.
  • B. For /hana/data, use one 2,400 GB General Purpose SSD (gp3) EBS volume that is configured with the required IOPS. For /hana/log, use one 512 GB gp3 EBS volume that is configured with the required throughput.
  • C. For /hana/data use two 1,200 GB Provisioned IOPS SSD (io2) EBS volumes that are configured with RAID 0 striping and the required IOPS. For /hana/log, use one 525 GB io2 EBS volume that is configured with the required throughput.
  • D. For /hana/data, use two 1,200 GB General Purpose SSD (gp3) EBS volumes that are configured with RAID 0 striping and the required IOPS. For /hana/log, use one 512 GB gp3 EBS volume that is configured with the required throughput.
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Suggested Answer: B 🗳️
by tonatiuhop at July 27, 2023, 11:43 p.m.
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awsmonster
1 year, 5 months ago
Selected Answer: D
D is correct. B. The one single EBS, 2400 GB and 9000 IOPS costs 346.49 USD D. Each EBS gp3, 1200 GB an 4500 IOPS * 2 costs 335.97 USD
upvoted 2 times
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LocalHero
1 year, 5 months ago
https://calculator.aws/#/createCalculator/EBS
upvoted 1 times
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khchan123
1 year, 6 months ago
D is correct, because of the the 9000 IOPS requirement. In RAID0, you buy 1500 IOPS for each of the 1,200 GB EBS volumes. So each volume provides 4500 IOPS, and add up to 9000 IOPS under RAID0 striping. For B, you have to buy extra 6000 IOPS.
upvoted 1 times
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junrun3
1 year, 10 months ago
Selected Answer: B
Specifically, Amazon EBS general-purpose SSDs (gp3) are user-specifiable in terms of IOPS and throughput and offer a good balance of performance and price. Provisioned IOPS SSDs (io1, io2) are ideal for high-load workloads that require high IOPS, but cost correspondingly more. This requirement calls for 9,000 IOPS for data storage and 300 MBps throughput for log storage. To meet these performance requirements while keeping costs down, gp3 volumes are the best choice. The storage requirements of 2,400 GB for /hana/data and 512 GB for /hana/log can also be provided by a single gp3 volume.
upvoted 3 times
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G4Exams
1 year, 10 months ago
Selected Answer: D
B could be the answer but most likely D because of the 9000IOPS requirement.
upvoted 2 times
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kaishin0527
1 year, 11 months ago
B: SAP S/4HANA system requires two different types of storage: one for data and one for logs, each with specific performance requirements. For /hana/data, the system needs 2,400 GB of storage with 9,000 IOPS. The new General Purpose SSD (gp3) EBS volume can provide this configuration at a lower cost compared to Provisioned IOPS SSD (io1 or io2) EBS volumes. With gp3, you can provision IOPS independently from storage capacity. For /hana/log, the system requires 512 GB of storage with a throughput of 300 MBps. Again, a gp3 EBS volume can be configured to provide the required throughput. By using gp3 EBS volumes for both data and log storage, you can meet the requirements most cost-effectively. The other options either use more expensive io1/io2 volumes or involve RAID 0 striping which adds complexity without providing additional benefits in this case.
upvoted 2 times
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tonatiuhop
1 year, 11 months ago
Selected Answer: B
I think B
upvoted 3 times
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