ACCA Strategic Professional · Strategic Business Leader · Cloud, mobile and smart technology
Harlow Retail, a mid-sized chain, has highly seasonal online sales, with traffic rising tenfold for six weeks each year. Its board is considering moving its e-commerce platform to a public cloud provider. Which cloud characteristic most directly addresses the cost problem of owning servers sized for the annual peak?
Rapid elasticity combined with pay-per-use pricing addresses the problem. Harlow can scale capacity up for the six-week peak and release it afterwards, paying only for usage, instead of owning servers that sit idle for most of the year.
- ARapid elasticity with pay-per-use pricingCorrect
- BData sovereignty controls
- CVendor lock-in protection
- DMulti-tenancy isolation
Explanation
Elasticity lets capacity scale up for the peak and back down afterwards, and pay-per-use means Harlow pays only for what it consumes. This replaces fixed capital spending on idle peak capacity. Data sovereignty, lock-in and multi-tenancy are risks or design issues, not the feature that solves peak-sizing cost.
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