Amazon Exam SAA-C03 Topic 3 Question 21 Discussion

Actual exam question for Amazon's SAA-C03 exam

Question #: 21
Topic #: 3

A company is planning to use an Amazon DynamoDB table for data storage. The company is concerned about cost optimization. The table will not be used on most mornings. In the evenings, the read and write traffic will often be unpredictable. When traffic spikes occur, they will happen very quickly.

What should a solutions architect recommend?

ACreate a DynamoDB table in on-demand capacity mode.

BCreate a DynamoDB table with a global secondary index

CCreate a DynamoDB table with provisioned capacity and auto scaling.

DCreate a DynamoDB table in provisioned capacity mode, and configure it as a global table

Show Suggested Answer

Suggested Answer: A

Provisioned capacity is best if you have relatively predictable application traffic, run applications whose traffic is consistent, and ramps up or down gradually. On-demand capacity mode is best when you have unknown workloads, unpredictable application traffic and also if you only want to pay exactly for what you use. The on-demand pricing model is ideal for bursty, new, or unpredictable workloads whose traffic can spike in seconds or minutes, and when under-provisioned capacity would impact the user experience. https://docs.aws.amazon.com/wellarchitected/latest/serverless-applications-lens/capacity.html

by Mirta at Aug 09, 2023, 02:20 PM

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