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Exam AWS Certified Solutions Architect - Professional topic 1 question 594 discussion

Exam question from Amazon's AWS Certified Solutions Architect - Professional
Question #: 594
Topic #: 1
[All AWS Certified Solutions Architect - Professional Questions]

A company is planning to deploy a new business analytics application that requires 10,000 hours of compute time each month. The compute resources can have flexible availability, but must be as cost-effective as possible. The company will also provide a reporting service to distribute analytics reports, which needs to run at all times.
How should the Solutions Architect design a solution that meets these requirements?

  • A. Deploy the reporting service on a Spot Fleet. Deploy the analytics application as a container in Amazon ECS with AWS Fargate as the compute option. Set the analytics application to use a custom metric with Service Auto Scaling.
  • B. Deploy the reporting service on an On-Demand Instance. Deploy the analytics application as a container in AWS Batch with AWS Fargate as the compute option. Set the analytics application to use a custom metric with Service Auto Scaling.
  • C. Deploy the reporting service as a container in Amazon ECS with AWS Fargate as the compute option. Deploy the analytics application on a Spot Fleet. Set the analytics application to use a custom metric with Amazon EC2 Auto Scaling applied to the Spot Fleet.
  • D. Deploy the reporting service as a container in Amazon ECS with AWS Fargate as the compute option. Deploy the analytics application on an On-Demand Instance and purchase a Reserved Instance with a 3-year term. Set the analytics application to use a custom metric with Amazon EC2 Auto Scaling applied to the On-Demand Instance.
Show Suggested Answer Hide Answer
Suggested Answer: C 🗳️
by Nemer at Aug. 11, 2020, 5:33 p.m.
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Nemer
Highly Voted 3 years, 7 months ago
C seems OK. Reporting service runs constantly, and as such should be separated from the analytics application running on a Spot Fleet for cost savings.
upvoted 14 times
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xxxsspxxx
Most Recent 2 years, 2 months ago
A suggests deploying the reporting service on a Spot Fleet, which may not be a good option. B suggests deploying the analytics application using AWS Batch, which is more suited for batch processing and not recommended for applications that require low-latency, interactive processing. C suggests deploying the analytics application on a Spot Fleet, which can provide cost savings, but may not be ideal for an application that requires flexible availability. The correct answer may be D
upvoted 1 times
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Heer
2 years, 6 months ago
Analytics service:Key words Flexible availability i.s can be interrupted Cost effective Reporting service :Key words Need to run all the time so Containers So the right ans is C
upvoted 1 times
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jyrajan69
3 years, 2 months ago
There seems to be a tendency to jump in with an answer. First of all this is a steady state application, not short term, hence automatically you start thinking Reserved Instance, and the clearly stated 'the organization will offer a reporting service for distributing analytics results, which must be available at all times.", which will take Spot out of the picture. Therefore the answer has to be D. Unless someone can give proper justification tht is the answer
upvoted 3 times
tobstar86
3 years, 2 months ago
Well, Spot instances in answer C are only used for the analytics application and not the reporting app. So thats ok. Only difference between C & D is : C uses spot instances for the analytics app and D uses mixture of on demand on longterm reserved instances. So pretty much both answers are valid. But, considering the business perspective: it's a new application. Would you want to commit yourself for the next 3 years with unknown outcome? Sure you can modify them later or resell, but still. I'd choose C.
upvoted 2 times
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lucesarano
3 years, 3 months ago
I do not understand why A and B are wrong. They both look feasible to me.
upvoted 1 times
et22s
2 years, 5 months ago
A uses Spot fleet for the reporting service -> not suitable as the reporting service needs to be running at all times. B uses Fargate for the analytics application vs C which uses a Spot Fleet for the analytics application. In this case, C is the more cost effective option as the analytics application can have flexible availability.
upvoted 1 times
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AzureDP900
3 years, 5 months ago
I will go with C
upvoted 1 times
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WhyIronMan
3 years, 6 months ago
I'll go with C
upvoted 1 times
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blackgamer
3 years, 6 months ago
C is cost effective compared to D. Spot instances.
upvoted 1 times
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Waiweng
3 years, 6 months ago
it's C
upvoted 3 times
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KnightVictor
3 years, 6 months ago
going with C, keyword compute resources- "cost effective", "flexible availability," reporting service ->needs to run at all times
upvoted 2 times
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Kian1
3 years, 6 months ago
going with C
upvoted 3 times
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Ebi
3 years, 6 months ago
I will go with C
upvoted 4 times
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Bulti
3 years, 6 months ago
Correct answer is C for Spot Fleet
upvoted 2 times
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T14102020
3 years, 6 months ago
Correct is C. report as Fargate + analytics as Spot
upvoted 1 times
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jackdryan
3 years, 6 months ago
I'll go with C
upvoted 3 times
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CYL
3 years, 7 months ago
C. Use spot instances for analytics workload. Reporting services need to be up all the time, hence should run on a reliable instance type that will not terminate on its own.
upvoted 1 times
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SamAWSExam99
3 years, 7 months ago
C for spot instances
upvoted 1 times
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