DBS-C01 · Question #123
DBS-C01 Question #123: Real Exam Question with Answer & Explanation
The correct answer is C: Use provisioned capacity.. On-demand mode is a good option if any of the following are true: You create new tables with unknown workloads. You have unpredictable application traffic. You prefer the ease of paying for only what you use. https://docs.aws.amazon.com/amazondynamodb/latest/developerguide/HowItW
Question
A company uses Amazon DynamoDB as the data store for its ecommerce website. The website receives little to no traffic at night, and the majority of the traffic occurs during the day. The traffic growth during peak hours is gradual and predictable on a daily basis, but it can be orders of magnitude higher than during off-peak hours. The company initially provisioned capacity based on its average volume during the day without accounting for the variability in traffic patterns. However, the website is experiencing a significant amount of throttling during peak hours. The company wants to reduce the amount of throttling while minimizing costs. What should a database specialist do to meet these requirements?
Options
- AUse reserved capacity.
- BUse provisioned capacity.
- CUse provisioned capacity.
- DUse on-demand capacity.
Explanation
On-demand mode is a good option if any of the following are true: You create new tables with unknown workloads. You have unpredictable application traffic. You prefer the ease of paying for only what you use. https://docs.aws.amazon.com/amazondynamodb/latest/developerguide/HowItWorks.ReadWriteC a pacityMode.html#HowItWorks.ProvisionedThroughput.Manual Amazon DynamoDB auto scaling uses the AWS Application Auto Scaling service to dynamically adjust provisioned throughput capacity on your behalf. https://docs.aws.amazon.com/amazondynamodb/latest/developerguide/AutoScaling.html
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