A startup expects unpredictable traffic with occasional spikes. They want to minimize cost but avoid throttling. Which billing mode should they choose and why?

hard🚀 Application Q8 of 15

DynamoDB - Cost Optimization and Monitoring

AOn-demand mode, because it has a fixed monthly fee

BProvisioned mode with high capacity, to handle spikes without throttling

COn-demand mode, because it scales automatically and charges per request

DProvisioned mode with low capacity, to save cost during low traffic

Step-by-Step Solution

Solution:

Step 1: Analyze traffic pattern and cost needs
Unpredictable traffic with spikes means capacity needs vary widely; minimizing cost means avoiding over-provisioning.
Step 2: Match billing mode to needs
On-demand mode automatically scales and charges per request, avoiding throttling and high fixed costs unlike provisioned mode.
Final Answer:
On-demand mode, because it scales automatically and charges per request -> Option C
Quick Check:
Unpredictable traffic = on-demand best fit [OK]

Quick Trick: Use on-demand for unpredictable traffic to avoid throttling [OK]

Common Mistakes:

MISTAKES

Choosing provisioned mode with high capacity wastes money
Assuming on-demand has fixed fees
Choosing low provisioned capacity causes throttling

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More DynamoDB Quizzes

A startup expects unpredictable traffic with occasional spikes. They want to minimize cost but avoid throttling. Which billing mode should they choose and why?

Step 1: Analyze traffic pattern and cost needs

Step 2: Match billing mode to needs

Final Answer:

Quick Check:

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