AWS Certified Cloud Practitioner (CLF-C02)Cloud ConceptsMedium
A startup is building a new application that processes large volumes of sensor data from IoT devices. They anticipate periods of very high data ingestion, followed by periods of low activity. They want to ensure their application can handle these fluctuating loads without manual intervention and only pay for the resources consumed. Which cloud characteristic best supports this requirement?
- ARapid Elasticity
- BHigh Availability
- CMeasured Service
- DBroad Network Access
Show answer & explanationAnswer & explanation
Correct answer: A. Rapid Elasticity
Rapid Elasticity is a key cloud characteristic that allows resources to be provisioned and de-provisioned quickly and automatically to scale up and down with demand. This enables the application to handle fluctuating loads without manual intervention and aligns with paying only for consumed resources.
Why the other options are wrong
- B. High Availability focuses on continuous uptime, not dynamic scaling for fluctuating loads.
- C. Measured Service refers to the ability to monitor and meter resource usage, which supports 'pay only for resources consumed' but doesn't describe the automatic scaling capability itself.
- D. Broad Network Access refers to resources being accessible over the network, not their ability to scale.
Rapid Elasticity
A cloud characteristic allowing computing capabilities to be provisioned and released rapidly, often automatically, to scale commensurate with demand.
- Automatic scaling.
- Quick resource allocation/deallocation.
- Adapts to fluctuating demand.
Memory trick: On-demand Broad Rapid Measured Resource Pooling.