正解:D
SaaS, or Software as a Service, is a type of cloud computing that provides ready-to-use software applications
over the internet. The software is hosted and managed by the service provider, and the users do not have to
install, update, or maintain it. SaaS is suitable for the global franchise because it can provide a unified solution
that can be accessed from anywhere, anytime, and on any device. SaaS can also provide real-time operation
reports without requiring the intervention of the country franchise managers. SaaS can offer benefits such as
scalability, flexibility, cost-effectiveness, and security for the global franchise123. References = CompTIA
Project+ Study Guide: Exam PK0-005, 3rd Edition, Chapter 4: Project Communications, p. 143; Types of
Cloud Computing - SaaS vs PaaS vs IaaS - AWS; What are the different types of cloud computing? | Google
Cloud; IaaS vs. PaaS vs. SaaS | IBM