Which characteristic best describes how cloud resources respond to changing demand?

Which characteristic best describes how cloud resources respond to changing demand?

• A. Permanently fixed
• B. Dynamically scalable
• C. Always on-premises
• D. Manually adjustable in real time

Answer: (B)

Elasticity is what makes cloud resources respond to changing demand. In a cloud environment, resources can automatically increase or decrease capacity as needed, so the system is dynamically scalable. This means it can add more servers or storage when demand spikes and release them when demand drops, driven by automated scaling rules and real-time monitoring. This approach keeps performance stable while avoiding paying for idle resources. Permanently fixed capacity would never adjust to demand, which defeats elasticity. Always on-premises describes location or deployment rather than the scaling behavior. Manually adjustable in real time implies a human must intervene to scale resources, whereas cloud services typically handle scaling automatically through policies and metrics.

Elasticity is what makes cloud resources respond to changing demand. In a cloud environment, resources can automatically increase or decrease capacity as needed, so the system is dynamically scalable. This means it can add more servers or storage when demand spikes and release them when demand drops, driven by automated scaling rules and real-time monitoring. This approach keeps performance stable while avoiding paying for idle resources.

Permanently fixed capacity would never adjust to demand, which defeats elasticity. Always on-premises describes location or deployment rather than the scaling behavior. Manually adjustable in real time implies a human must intervene to scale resources, whereas cloud services typically handle scaling automatically through policies and metrics.