EMERGING TRENDS IN SOFTWARE ENGINEERING
CLOUD COMPUTING
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Hardware as a Service
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Platform as a Service
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Software as a Service
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Infrastructure as a Service
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Detailed explanation-1: -Hardware as a service is not a major type of cloud computing usage. Equipment as a Service (HaaS) is a computer hardware solution for cloud computing in which a company delegated to a third party the duty of replacing, upgrading, and maintaining their computer equipment.
Detailed explanation-2: -Explanation: Business-as-a-Service (BaaS) is not a cloud service offering. Whereas, PaaS, or platform as a service, IaaS, or infrastructure as a service and SaaS, or software as a service come under cloud service offering.
Detailed explanation-3: -Cloud computing can be broken up into three main services: Software-as-a-Service (SaaS), Infrastructure-as-a-Service (IaaS) and Platform-as-a-Service (PaaS). These three servicesmake up what Rackspace calls theCloud Computing Stack, with SaaS on top, PaaS in the middle, and IaaS on the bottom.
Detailed explanation-4: -Explanation: Amazon Web Services (AWS), Dropbox, and Cisco WebEx are examples of cloud.