A company leases a cloud-based payroll system. Which cloud computing technology is this company using?
- platform as a service (PaaS)
- wireless as a service (WaaS)
- infrastructure as a service (IaaS)
- software as a service (SaaS)
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Explanation: Software as a service (SaaS) refers to on demand software that is leased from the provider. Platform as a service (PaaS) is when the provider provides the platform for a developer. Infrastructure as a service (IaaS) is when key network devices such as routers and firewalls are leased from a provider. Wireless as a service (WaaS) is when a provider provides wireless connectivity at a fixed monthly cost. |