ExpertMedium1 markMultiple Choice
AWS SAA-C03 · Question 61 · Domain 4.3: Database Cost Optimization
A new mobile game uses Amazon DynamoDB. The game is expected to go viral, but the exact traffic patterns and peak loads are completely unknown. To avoid throttling and minimize costs, which DynamoDB capacity mode should be used?
A new mobile game uses Amazon DynamoDB. The game is expected to go viral, but the exact traffic patterns and peak loads are completely unknown. To avoid throttling and minimize costs, which DynamoDB capacity mode should be used?
Answer options:
A.
Provisioned capacity mode with Auto Scaling
B.
On-Demand capacity mode
C.
Provisioned capacity mode with a high static limit
D.
DynamoDB Standard-IA
How to approach this question
Match 'unknown traffic patterns' and 'viral spikes' to On-Demand capacity.
Full Answer
B.On-Demand capacity mode✓ Correct
Amazon DynamoDB on-demand is a flexible billing option capable of serving thousands of requests per second without capacity planning. It is ideal for unpredictable workloads and new applications.
Common mistakes
Choosing Provisioned with Auto Scaling, which can be too slow to respond to instant viral spikes.
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