Which of the following describes the commonality between cloud computing and outsourcing?

A.
Shift from CAPEX to OPEX

B.
Reduced compliance cost

C.
Simplified security management

D.
Reduced system architecture complexity.

Explanation:
“Capex vs. Opex” refers to the fact that stocking your own data center requires capital expenditure, while using
an external cloud service that offers pay-as-you-go service falls into ongoing operating expenditures: thus the
contrast of “Capex vs. Opex.”
http://www.cio.com/article/2430099/virtualization/capex-vs–opex–most-people-miss-the-pointabout-cloud-economics.html