30 針對雲端運算的敘述，下列何者錯誤？
(A)可降低服務提供者的管理成本
(B)可降低對網路的頻寬需求
(C)可提升服務的可用性及可擴充性
(D)可依照實際使用量付費

(A)
Illustration: Cloud computing allows service providers to use shared resources, automated processes, and efficient management tools, reducing the need for extensive manual management. This can lead to cost savings in terms of human resources and infrastructure maintenance.
(B)
Illustration: This statement is not entirely accurate. While cloud computing can optimize certain processes, it may increase bandwidth requirements for data transfer between clients and cloud servers. For example, accessing data or applications hosted in the cloud may involve network usage.
(C) 
Illustration: Cloud computing provides features like load balancing and automatic scaling, enhancing service availability and scalability. Resources can be dynamically adjusted to meet demand, ensuring a consistent and reliable user experience.
(D)
Illustration: One of the key advantages of cloud computing is its pay-as-you-go model. Users are billed based on the actual resources and services consumed. This allows for cost flexibility, as organizations only pay for what they use, without upfront investments.

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