What behavior should you expect from a DynamoDB table configured with on-demand capacity mode during a sudden surge in read/write requests?

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AWS - DynamoDB

ADynamoDB instantly scales to accommodate the increased traffic without throttling

BThe table will reject requests until capacity is manually increased

CPerformance degrades gradually as the table reaches provisioned limits

DYou must pre-allocate additional read/write capacity units to handle spikes

Step-by-Step Solution

Solution:

Step 1: Understand on-demand capacity mode
On-demand mode automatically adjusts capacity to handle sudden traffic spikes without manual intervention.
Step 2: Analyze options
DynamoDB instantly scales to accommodate the increased traffic without throttling correctly states that DynamoDB instantly scales. Options B, C, and D describe behaviors related to provisioned capacity mode, not on-demand.
Final Answer:
DynamoDB instantly scales to accommodate the increased traffic without throttling -> Option A
Quick Check:
On-demand mode auto-scales for sudden traffic spikes [OK]

Quick Trick: On-demand mode auto-scales instantly [OK]

Common Mistakes:

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