Answer-What is 'cloud elasticity' vs 'cloud scalability'?

Scalability is the designed capacity to handle increased load by adding resources proactive, planned. Example Upgrading bank servers before a known large IPO subscription period. Elasticity is dynamic, automatic scaling up and down in real-time based on actual demand reactive. Example Auto-scaling banks mobile banking servers during peak hours and releasing resources at night. Elasticity minimizes waste. Both are key cloud benefits that traditional on-premise infrastructure cannot easily provide.

Question

What is 'cloud elasticity' vs 'cloud scalability'?

A Elasticity always increases storage capacity of the cloud; scalability always increases processing power of the cloud

B Elasticity applies to virtual machines; scalability applies to databases only

C Elasticity is automatic short-term resource adjustment matching real-time demand; scalability is the system's ability to handle growing workloads through resource addition

D Elasticity is a security feature; scalability is a performance feature

E There is no meaningful difference — the terms are used interchangeably

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