Cloud Concepts第 20 / 100 题
Which of the following best describes 'elasticity' in cloud computing?
a.Resources remain fixed regardless of load
b.Storage is limited to a single disk
c.Applications must be manually restarted daily
d.Resources automatically expand or contract to match real-time demand
解析
Elasticity is the automatic scaling of resources up or down in response to workload changes. During a traffic spike, more capacity is added; when demand falls, capacity is released. This keeps performance steady while avoiding payment for idle resources.
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