Salesforce.com is the largest ______ provider of CRM software.
A. PaaS
B. IaaS
C. CaaS
D. SaaS
Answer:D
Salesforce.com is the largest ______ provider of CRM software.
A. PaaS B. IaaS C. CaaS D. SaaS
Explanation: Salesforce.com extended its SaaS offering to allow developers to create add-on applications.