CompTIA Cloud Essentials+ Study Guide, 2nd Edition

Appendix BAnswers to Review Questions

Chapter 1: Cloud Principles and Design

1. B. The software as a service (SaaS) model provides software applications, including apps such as Google Docs and Microsoft Office 365. Anything as a service (XaaS) is too broad and can mean a combination of multiple services. Platform as a service (PaaS) provides development platforms for software developers. Infrastructure as a service (IaaS) offers hardware for compute, storage, and networking functionality.
2. D. Multicloud means using multiple cloud vendors for different service models, such as SaaS and IaaS together. This provides additional flexibility. The downsides are that it can be more complex to manage and cost more. The security will probably be a little ...