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    Question

    Which characteristic of cloud computing ensures

    resources can be scaled up or down based on user demand?
    A On-demand self-service Correct Answer Incorrect Answer
    B Broad network access Correct Answer Incorrect Answer
    C Rapid elasticity Correct Answer Incorrect Answer
    D Resource pooling Correct Answer Incorrect Answer
    E Measured service Correct Answer Incorrect Answer

    Solution

    Rapid elasticity is a defining feature of cloud computing, ensuring resources can be dynamically allocated to meet fluctuating demands. 1. Scalability: Resources are provisioned and released automatically, enabling seamless scaling up or down. 2. Cost Efficiency: Users only pay for the resources they consume, avoiding unnecessary expenses during low-demand periods. 3. Flexibility: Rapid elasticity is vital for businesses with varying workloads, such as e-commerce platforms during sales events. This characteristic underpins the cloud’s ability to adapt to dynamic requirements, enhancing operational efficiency. Why Other Options Are Incorrect: • A) On-demand self-service: Refers to the ability to provision resources independently, unrelated to elasticity. • B) Broad network access: Highlights access to resources over a network but doesn’t address scalability. • D) Resource pooling: Involves shared resources among users but does not inherently enable scaling. • E) Measured service: Tracks resource usage for billing purposes, unrelated to dynamic scalability.

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