A company plans to offer BI, CDN, and backup services. According to NIST, which cloud service models
correspond to these offerings?

A.
BI: IaaS; CDN: IaaS; backup: PaaS

B.
BI: PaaS; CDN: IaaS; backup: IaaS

C.
BI: IaaS; CDN: SaaS; backup: PaaS

D.
BI: PaaS; CDN: SaaS; backup: IaaS

Explanation: