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IaaS, PaaS & SaaS Models Flashcards

7 cards from real CCP practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

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  1. An organization uses AWS EC2 for compute and S3 for storage. Which cloud service model are they primarily using?

    Answer: IaaS

    AWS EC2 (virtual machines) and S3 (object storage) are infrastructure services, making this a clear example of IaaS consumption.

  2. Salesforce CRM, Google Workspace, and Microsoft 365 are examples of which cloud service model?

    Answer: SaaS

    Salesforce, Google Workspace, and Microsoft 365 are fully managed software applications delivered over the internet, classifying them as SaaS.

  3. Google App Engine and Heroku are examples of which cloud service model?

    Answer: PaaS

    Google App Engine and Heroku are platform services that allow developers to deploy applications without managing the underlying infrastructure.

  4. A company's security team is concerned about multi-tenancy risks. Which aspect of cloud service models does this concern MOST relate to?

    Answer: Sharing physical or virtual resources among multiple customers

    Multi-tenancy means multiple customers share the same underlying physical or virtual infrastructure, which raises concerns about data isolation and security.

  5. In which cloud service model does the customer have the MOST control over the technology stack?

    Answer: IaaS

    IaaS gives customers the most control, including over the OS, middleware, runtime, and applications, while the provider only manages the physical infrastructure.

  6. Which cloud service model typically has the LONGEST vendor lock-in risk due to proprietary APIs and data formats?

    Answer: PaaS

    PaaS has high vendor lock-in risk because applications are built on proprietary platform APIs and services that are difficult to migrate to another provider.

  7. A DevOps team wants to containerize microservices and needs a managed Kubernetes service without managing the control plane. Which model does this represent?

    Answer: PaaS

    Managed Kubernetes services like GKE, AKS, or EKS abstract the control plane management, fitting the PaaS model where the platform is managed by the provider.