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Hi Fernando,
First off, thank you for bringing this up. I personally appreciate your time in discussing your thought process for this particular scenario, and I do understand your concern, as well as your decision not to reply to this discussion anymore.
I would also like to accentuate the response of CexamR and Carlo here. Whatever the outcome of our discussion here, the rationale that is backed up by the official AWS documentation should prevail.
Let me respond to these things that you said about the “throughout-oriented” and “infrequently accessed” keywords:
There is no way someone would select Cold HDD for a solution that was described as “throughout-oriented”.
One, you could remove the “throuput-oriented” in the last line. Or if you want to keep it there, at least change the option from Cold HDD to Throughput Optimized HDD.
It’s quite clear in the official documentation that Cold HDD is the MOST suitable solution for:
https://media.tutorialsdojo.com/throughput-oriented-storage.png
“Throughput-oriented storage for data that is infrequently accessed”
Those two keywords are there in verbatim. Moreover, the requirement of “MOST cost-effective” solution reinforces the need to use “Cold HDD”, just as mentioned in the table of this official AWS documentation: https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/ebs-volume-types.html#vol-type-hdd
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Throughput-oriented storage for data that is infrequently accessed
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Scenarios where the lowest storage cost is important”
Screenshot: https://media.tutorialsdojo.com/st1-vs-sc1.png
You kept on insisting that Throughput Optimized HDD volumes (st1) is the correct answer. But you haven’t provided a strong documentation for this.
The official AWS documentation mentions that a Throughput Optimized HDD volume is ideal for frequently accessed, throughput-intensive workloads.
Consider this – Does the scenario ever mentioned that…
– The data is “frequently accessed”?
– The workload is throughput-intensive?
Take note that throughput-oriented is different from throughput-intensive. You are pushing for a solution that provides more throughput, even though it is EXPLICITLY NOT required in the scenario.
We will let the readers decide whether they will believe the official AWS documentation or your unsubstantiated opinion.
Let us know if you need further assistance. The Tutorials Dojo team is dedicated to help you pass your AWS exam on your first try!
Regards,
Jon Bonso @ Tutorials Dojo
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