Cloud Computing Layered Architecture
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Questions and Answers

What is the basic layer of cloud architecture?

  • Business Process Outsourcing (BPO)
  • Software as a Service (SaaS)
  • Platform as a Service (PaaS)
  • Infrastructure as a Service (IaaS) (correct)

    • What are the two main distinguishing features of IaaS?

    Scalability and virtualisation.

    Which platform is an example of Platform as a Service (PaaS)?

  • Amazon Web Services
  • Microsoft Azure (correct)
  • Google Cloud
  • Salesforce

    • What does SaaS stand for?

    <p>Software as a Service.</p> Signup and view all the answers

    Business Process Outsourcing (BPO) is considered a cloud technology.

    <p>False (B)</p> Signup and view all the answers

    The key difference between IaaS and traditional hosting is __________.

    <p>scalability</p> Signup and view all the answers

    What type of resources does PaaS provide?

    <p>Resources to build applications.</p> Signup and view all the answers

    Flashcards

    Cloud Computing

    A business model, not a technology, delivering computing resources over a network.

    IaaS

    Infrastructure as a Service; the foundational layer, providing hardware and networking.

    Scalability (IaaS)

    The ability to easily increase computing resources in IaaS.

    Virtualization

    Creating virtual versions of hardware to improve resource use in IaaS.

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    PaaS

    Platform as a Service; provides resources for application development, testing, and hosting.

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    SaaS

    Software as a Service; the user-facing layer of cloud services.

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    Third-party Integration (PaaS)

    Connecting different software programs, tools, and services on the PaaS platform.

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    BPO

    Business Process Outsourcing; outsourcing services in the cloud.

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    Application Layer

    Responsible for user interaction and application logic in cloud computing.

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    User Interface

    The part of the application that users interact with.

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    Business Logic

    The core rules and processes of an application.

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    Data Access Mechanisms

    Methods for retrieving and managing data within an application.

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    E-commerce Website

    Example of an application that uses the application layer to manage online transactions.

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    Attendance Policy

    Attend class within the first 10 minutes for proper participation.

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    Google Classroom

    Platform for distributing study materials in class.

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    Internal Assessments

    Evaluations within the course.

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    Quizzes

    Short assessments to test understanding of specific topics.

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    Assignments

    Tasks requiring deeper analysis or application knowledge.

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    Tutorials

    Interactive sessions meant for practice and guidance.

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    Meaningless Inquiries

    Questions irrelevant to the learning objectives.

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    Study Notes

    Cloud Computing Layered Architecture

    • Cloud computing is a business model, not a technology.
    • Infrastructure as a Service (IaaS): The foundational layer, comprising hardware and networks. It emphasizes scalability and virtualisation.
      • Scalability: IaaS vendors provide massive infrastructure, rendering the cost of adding resources almost negligible.
      • Virtualisation: Software virtualizes hardware, allowing for efficient resource utilisation (around 90%) compared to traditional hosting.
    • Platform as a Service (PaaS): This layer provides resources for app development, testing, running, and hosting, complementing IaaS.
      • Third Party Integrations: Allows developers to integrate third-party software into cloud services.
      • Example: Microsoft Azure offers a comprehensive development and deployment environment for building and hosting applications.
    • Software as a Service (SaaS): This layer represents the user's direct interaction with the cloud service provider's offering.
      • Web-Based and Device-Independent: SaaS is accessible from anywhere and on any device, leveraging the power of the web.
      • Clarification: Cloud and SaaS are not mutually exclusive; SaaS is a layer within the cloud framework.
    • Business Process Outsourcing (BPO): The top layer of the cloud, representing outsourcing services to a vendor.
      • Business Model Focus: While not inherently technological, BPO is considered a cloud layer due to its focus on business models, mirroring the other layers.
    • Importance of Model: Understanding the layered architecture is crucial to comprehending the core principles of cloud computing.

    Application Layer

    • This layer is responsible for user interaction and application logic.
      • It includes user interface elements, business logic, and data access mechanisms.
    • Example: In an e-commerce website, the application layer manages the display of products, shopping carts, and payment processing.

    Other Information

    • Attendance must be taken within the first 10 minutes of class.
    • Students can ask questions but should refrain from unnecessary or meaningless inquiries.
    • Study materials will be distributed through Google Classroom.
    • Internal assessments will be conducted via quizzes, assignments, and tutorials.

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    Related Documents

    Cloud Architecture- Layers PDF

    Description

    Explore the essential layers of cloud computing in this quiz. Understand the distinctions between IaaS, PaaS, and SaaS, and how they contribute to scalable and efficient technology solutions. Test your knowledge on examples and integrations used across these layers.

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