Traditionally, what has been the trend of cost over the lifetime of a data center solution? Select the best response

Traditionally, what has been the trend of cost over the lifetime of a data center solution? Select the best response.

A.
CapEx is initially low but rises over time because of the need for more hardware.
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B.
CapEx and OpEx both decrease after initial purchase and deployment of the solution.

C.
CapEx and OpEx both increase over time as the scale of the solution grows.

D.
OpEx steadily increases over time because of rising maintenance costs.