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:

Provisioned capacity mode with Auto Scaling

On-Demand capacity mode

Provisioned capacity mode with a high static limit

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

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 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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