Pass CompTIA A+ Core 1 Exam in 3 Days (2025)

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Description: 80+% Student Passed Exam After Only Studying These Questions. Pass yours, enroll now!Free Sample Question 1 out of 3:The IT team at the online retailer, StyleSpree, is preparing for the holiday shopping season by moving to the public cloud, which will let them automatically add server capacity for the sales rush and reduce it once demand returns to normal. Which cloud computing concept BEST describes this functionality?A. Rapid elasticityB. Metered utilizationC. Shared resourcesD. High availabilityCorrect Answer: AExplanation:The question describes a scenario where an online retailer needs to increase computing capacity for a busy period (peak shopping season) and then decrease it when the demand subsides. This ability to dynamically and automatically scale resources up (scale-out) and down (scale-in) based on demand is the definition of rapid elasticity.Here is a breakdown of the options:* A. Rapid elasticity: This is the correct answer. It is a core characteristic of cloud computing that allows for the automatic provision and de-provision of resources to match the workload's demands in near real-time. This prevents over-provisioning (saving money during off-peak times) and under-provisioning (ensuring performance during peak times).* B. Metered utilization: This refers to the billing model where customers are charged only for the resources they consume (pay-per-use). While rapid elasticity enables cost savings under a metered model, the concept of adding and removing capacity is elasticity itself, not the billing method.* C. Shared resources: Also known as resource pooling, this is the principle where a cloud provider's resources are pooled to serve multiple customers (multi-tenancy). While the retailer would use shared resources in a public cloud, this term does not describe the scaling of capacity.* D. High availability: T
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