ExpertEasy1 markMultiple Choice
AWS SAA-C03 · Question 59 · Domain 4.3: Database Cost Optimization
A startup is building a new application using Amazon DynamoDB. The application will have unpredictable traffic for the first 6 months, with occasional large spikes. After 6 months, the traffic is expected to stabilize. What is the MOST cost-effective DynamoDB capacity mode for the first 6 months?
A startup is building a new application using Amazon DynamoDB. The application will have unpredictable traffic for the first 6 months, with occasional large spikes. After 6 months, the traffic is expected to stabilize. What is the MOST cost-effective DynamoDB capacity mode for the first 6 months?
Answer options:
A.
Provisioned capacity mode with Auto Scaling
B.
On-demand capacity mode
C.
Provisioned capacity mode with a high baseline
D.
Reserved capacity
How to approach this question
Match 'unpredictable traffic' and 'occasional large spikes' with DynamoDB On-demand capacity.
Full Answer
B.On-demand capacity mode✓ Correct
On-demand capacity mode
Amazon DynamoDB on-demand is a flexible billing option capable of serving thousands of requests per second without capacity planning. It is best for unknown workloads.
Common mistakes
Choosing Provisioned with Auto Scaling, which can be slower to respond to instant spikes and costs more during idle times.
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