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A company using wearable devices to collect data stores it in DynamoDB, with a predictable and constant workload. To maintain a budget, which DynamoDB capacity mode and storage option is most cost-effective?
A
Provisioned mode with DynamoDB Standard-Infrequent Access (DynamoDB Standard-IA) for reserved capacity.
B
Provisioned mode with specified read and write capacity units.
C
On-demand mode with high read and write capacity units to handle workload changes.
D
On-demand mode with specified read and write capacity units and reserved capacity.
