Which of the Following Is True of Software-As-A-Service

Multiple Choice

Which of the following is true of Software-as-a-Service?

A) It issoftware that runs in a vendor's data center or on the Cloud and it allows self-service.
B) It issoftware that allowed the human resource unit to run its own support and make changes with help from IT.
C) It issoftware that runs only on the Cloud and allows self-service.
D) It issoftware that kept track of employees and ran reports for human resource managers with support from IT.