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

  1. IaaS

  2. PaaS

  3. MaaS

  4. CaaS

The correct answer is: CaaS

Voice over IP (VoIP) is categorized as Communication as a Service (CaaS). This type of cloud service focuses on providing communications capabilities over the internet. VoIP platforms enable voice communication to be transmitted over IP networks, allowing users to make phone calls without the traditional phone system. By leveraging cloud infrastructure, VoIP services allow for scalable and flexible communication solutions, which can be adjusted based on user demands. CaaS includes not only voice services but can also encompass video conferencing, messaging, and a range of other communication tools, all delivered through the cloud. This model benefits organizations by reducing the reliance on on-premises hardware and offering a pay-as-you-go pricing structure that can adapt to business needs. Other cloud service models, such as Infrastructure as a Service (IaaS) and Platform as a Service (PaaS), focus more on offering computing resources and development platforms, respectively, rather than specific communication capabilities. MaaS is less commonly recognized and often refers to Mobility as a Service, which further distinguishes it from VoIP's functionality. Thus, CaaS is the correct designation for VoIP within cloud service classifications.