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Which Cosmos DB feature lets a single container handle a sudden 10x traffic burst WITHOUT pre-provisioning capacity?
AMigration to Azure Blob Storage
BAutoscale provisioned throughput (or serverless mode for spiky low-volume workloads)
CCosmos DB Reserved Throughput for 3 years
DManually doubling the throughput each morning by hand
Answer & Solution
Correct answer: B. Autoscale provisioned throughput (or serverless mode for spiky low-volume workloads)
Autoscale provisioned throughput swings between min and 10× automatically. Serverless is per-request billing for spiky low-volume workloads. Manual changes don't fit bursts; reserved is for steady load; Blob isn't a database.
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