A company plans to offer CRM, CDN, and ERP services. According to NIST, which services categories
correspond to these offerings?

A.
CRM: PaaS; CDN: PaaS; ERP: IaaS

B.
CRM: IaaS; CDN: IaaS; ERP: SaaS

C.
CRM: IaaS; CDN: SaaS; ERP: PaaS

D.
CRM: SaaS; CDN: IaaS; ERP: SaaS

Explanation:

Reference http://wibe-tco.com/wp-content/uploads/2013/07/Reference_Architecture_Doc_2011_NISTCloudComputing-ptx.pdf (page 10)