Free CompTIA Cloud+ Questions

Voice over IP (VoIP) is an example of what type of cloud service?

A. IaaS
B. PaaS
C. SaaS
D. CaaS

Answer: D

Infrastructure as a Service (IaaS) Cloud model where the cloud consumer outsources responsibility for their infrastructure to an external cloud provider that owns the equipment, such as storage, servers, and connectivity domains.

Platform as a Service (PaaS) Cloud model that provides the infrastructure to create applications and host them with a cloud provider.

Software as a Service (SaaS) Cloud model that allows a cloud consumer the ability to use on-demand software applications delivered by the cloud provider via the Internet.

Database as a Service (DBaaS) Cloud model that delivers database operations as a service to multiple cloud consumers over the Internet.

Communication as a Service (CaaS) Allows a cloud consumer to utilize enterprise-level voice over IP (VoIP), virtual private networks (VPNs), private branch exchange (PBX), and unified communications using a cloud model.