Cloud Computing Fundamentals
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Questions and Answers

What is the main advantage of Infrastructure-as-a-Service (IaaS)?

  • Reducing the cost of computing resources
  • Allowing enterprises to access costly computing resources within a required scope (correct)
  • Increasing the complexity of network infrastructure
  • Limiting the geographic location of the infrastructure

    • What type of model is IaaS based on?

  • Internet Protocol (IP) (correct)
  • Simple Mail Transfer Protocol (SMTP)
  • Hypertext Transfer Protocol (HTTP)
  • File Transfer Protocol (FTP)

    • What can customers do with IaaS?

  • Only use a specific type of virtualized physical infrastructure
  • Only purchase services from a single cloud service provider
  • Only access computing resources within a specific geographic location
  • Purchase services from diverse cloud service providers to meet their business requirements (correct)

    • What is a benefit of using cloud services, including IaaS?

    <p>Ability to focus on other aspects of business, such as business process improvement and strategy-making</p> Signup and view all the answers

    What is true about the physical infrastructure in IaaS?

    <p>Customers are not aware of the exact locations of the physical infrastructure</p> Signup and view all the answers

    What is a characteristic of IaaS, PaaS, and SaaS?

    <p>Ability to focus on business process improvement and strategy-making</p> Signup and view all the answers

    What is supplied by cloud service providers in IaaS?

    <p>Same-level services to multiple clients simultaneously</p> Signup and view all the answers

    What is virtualized in IaaS?

    <p>Physical infrastructure such as database, data storage, processors, memories, routers, and networks</p> Signup and view all the answers

    What is a benefit of using IaaS, PaaS, and SaaS?

    <p>Ability to access costly computing resources within a required scope</p> Signup and view all the answers

    What is an example of a computing resource in IaaS?

    <p>All of the above</p> Signup and view all the answers

    Study Notes

    Cloud Computing Importance

    • Cloud computing is essential for current enterprises due to its unique features, such as on-demand self-services, high adaptability, and flexibility of leveraging technology-based solutions without hosting servers.
    • These advantages are achieved through various cloud services, which have distinct benefits and drawbacks depending on the service model and deployment.

    Basic Cloud Computing Service Models

    • Cloud computing service models are categorized into three layers: Software-as-a-Service (SaaS), Platform-as-a-Service (PaaS), and Infrastructure-as-a-Service (IaaS).
    • These models are differentiated based on the services offered by cloud providers and the objects that provide services for customers.

    Platform-as-a-Service (PaaS)

    • PaaS allows web developers to utilize a complete virtualized platform for application or platform development.
    • It consists of multiple subsystems and interfaces, involving product development procedures, interface development, database development, data storage, system testing, and other processes related to application development.
    • Subscribers can build enterprise-level applications in a customized manner, following the enterprises' strategies and policies.
    • PaaS provides an open Web-based development platform, enabling small or medium-size enterprises to explore their markets by leveraging advanced computing techniques.

    Infrastructure-as-a-Service (IaaS)

    • IaaS allows enterprises to access costly computing resources within a required scope, such as database, data storage, processors, memories, routers, and networks.
    • Cloud service providers can supply same-level services to multiple clients simultaneously, maximizing the capability of the infrastructure.
    • Clients can purchase services from diverse cloud service providers to meet their business requirements.
    • IaaS is an Internet Protocol (IP)-based model that delivers services regardless of the geographic location of the infrastructure.
    • Customers can focus on business process improvement and strategy-making, without worrying about technical complexity and geographic restrictions.

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    Description

    Learn about the basics of cloud computing, including its advantages, service models, and deployment types. Understand how cloud computing differs from other computing models.

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