Cloud Computing Fundamentals Quiz
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Questions and Answers

What does Part I of the book primarily focus on?

  • Service level agreement management
  • Monitoring cloud applications
  • Delivery models of cloud computing (correct)
  • Novel cloud applications

    • Which of the following delivery models is NOT mentioned in the content?

  • Platform as a Service (PaaS)
  • Network as a Service (NaaS) (correct)
  • Infrastructure as a Service (IaaS)
  • Software as a Service (SaaS)

    • What is covered in Part II of the book?

  • Infrastructure as a Service (IaaS) (correct)
  • Application deployment in private clouds
  • Cloud resource federations
  • Governance of cloud computing

    • Which part discusses the monitoring and management of cloud computing?

    <p>Part IV</p> Signup and view all the answers

    The book is intended for which of the following audiences?

    <p>New researchers and graduate-level students</p> Signup and view all the answers

    What type of applications does Part V of the book focus on?

    <p>Novel applications enabled by cloud computing</p> Signup and view all the answers

    Which of the following is NOT a deployment model discussed in the book?

    <p>Community Cloud</p> Signup and view all the answers

    In which part are application migration models discussed?

    <p>Part I</p> Signup and view all the answers

    Which characteristic is NOT commonly associated with cloud computing?

    <p>Permanent hardware ownership</p> Signup and view all the answers

    What allows developers to create scalable applications in cloud computing?

    <p>APIs and development tools</p> Signup and view all the answers

    Which of the following terms best describes the ability of cloud resources to appear unlimited?

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

    Which technology advancement has significantly contributed to the viability of cloud computing?

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

    What key feature does cloud computing provide that enhances user interaction?

    <p>Self-service interface</p> Signup and view all the answers

    What is the ultimate goal of utilizing cloud computing for customers?

    <p>Running IT infrastructure in the cloud</p> Signup and view all the answers

    Which major Internet technology contributed to the growth of cloud computing?

    <p>Web services</p> Signup and view all the answers

    Which of the following is NOT a component of cloud computing that has matured over the years?

    <p>Serverless cooking</p> Signup and view all the answers

    What is one of the primary expectations users have from cloud services regarding resource allocation?

    <p>Resources should be provisioned quickly when application load increases.</p> Signup and view all the answers

    How should services in cloud computing be billed to users?

    <p>By the hour, allowing users to pay only for what they use.</p> Signup and view all the answers

    What characteristic of cloud computing gives users the impression of unlimited resources?

    <p>Elasticity, allowing resources to be quickly provisioned as needed.</p> Signup and view all the answers

    What does customization in a multi-tenant cloud mean for users?

    <p>Users are allowed to deploy specialized virtual appliances and access virtual servers.</p> Signup and view all the answers

    What role does the virtual infrastructure manager (VIM) play in cloud computing?

    <p>It aggregates resources from multiple computers for uniform user access.</p> Signup and view all the answers

    What is a key feature of cloud services related to metering and reporting?

    <p>Different service types must be metered and reported accurately for transparency.</p> Signup and view all the answers

    What does the term 'scale up and down' refer to in cloud computing?

    <p>Increasing and decreasing resources based on application load changes.</p> Signup and view all the answers

    What challenge do IaaS providers face when managing cloud infrastructure?

    <p>Holistically managing both physical and virtual resources efficiently.</p> Signup and view all the answers

    What is the primary purpose of dynamic resource allocation?

    <p>To timely match supply and demand</p> Signup and view all the answers

    What can be done to machines not assigned any VM?

    <p>Turned off or put in a low power state</p> Signup and view all the answers

    What does advance reservation (AR) allow users to do?

    <p>Lease resources for a specific time</p> Signup and view all the answers

    What is a key feature of several VI managers regarding VMs?

    <p>They can holistically manage groups of VMs</p> Signup and view all the answers

    What is the primary aim of the high availability feature in VI managers?

    <p>To minimize application downtime</p> Signup and view all the answers

    How does a provider handle an AR request that cannot be fulfilled immediately?

    <p>They offer a different slot that meets user requirements</p> Signup and view all the answers

    In the failover mechanism of some VI managers, what type of failures does it primarily protect against?

    <p>Host failures but not VM failures</p> Signup and view all the answers

    What does the negotiation protocol in OpenPEX allow for?

    <p>Adjustments to leases through offers and counter offers</p> Signup and view all the answers

    What additional feature may be implemented for mission-critical applications when basic failover does not suffice?

    <p>Redundancy of VMs</p> Signup and view all the answers

    Why is dynamic management of SLAs important?

    <p>It enables better energy consumption control</p> Signup and view all the answers

    What occurs when there is overheating in a data center?

    <p>Load can be moved away from hotspots</p> Signup and view all the answers

    What is a characteristic of the data protection mechanisms offered by some VI managers?

    <p>They perform incremental backups of VM images</p> Signup and view all the answers

    What feature of the Virtual Computing Lab (VCL) minimizes the administrative burden?

    <p>Self-service Web portal</p> Signup and view all the answers

    What type of environments does VCL primarily provide?

    <p>Virtual lab and HPC computing environments</p> Signup and view all the answers

    How does VCL provide resources during classes effectively?

    <p>Through advance reservation of capacity</p> Signup and view all the answers

    Which aspect does the HA solution of VI managers monitor?

    <p>Failures of system components such as servers and VMs</p> Signup and view all the answers

    Study Notes

    Cloud Computing Fundamentals

    • Cloud Computing Definition: A service that provides computing resources over the internet, often on a pay-per-use basis, characterized by elasticity, self-service, and abstraction.
    • Delivery Models: There are three primary delivery models:
      • Infrastructure as a Service (IaaS): Provides fundamental computing resources like servers, storage, and networking.
      • Platform as a Service (PaaS): Offers a platform for application development and deployment, including tools, runtime environments, and middleware.
      • Software as a Service (SaaS): Delivers software applications over the internet, often accessible through a web browser.
    • Deployment Models:
      • Public Cloud: Resources are shared among multiple users, often provided by a third-party vendor.
      • Private Cloud: Resources are dedicated to a particular organization.
      • Hybrid Cloud: Combines public and private cloud resources, allowing for flexibility and cost management.
    • Cloud Computing Roots:
      • Virtualization: Enables the creation of multiple virtual machines on a single physical server, enhancing resource utilization.
      • Multi-Core Chips: Increased processing power allowed for running multiple applications concurrently.
      • Web Services and Service-Oriented Architectures: Allowed for interoperability between different systems and applications, making cloud services accessible.
      • Web 2.0: The rise of social media and web applications contributed to the demand for scalable and flexible cloud infrastructure.
      • Cluster and Grid Computing: Paved the way for distributed computing, enabling the use of multiple computers to solve complex problems, a key concept in cloud computing.
      • Autonomic Computing and Data Center Automation: Provided mechanisms for self-management and optimization of cloud resources, making cloud ecosystems more reliable and efficient.

    Cloud Computing Essential Attributes

    • Pay-per-Use: Users pay only for the resources they consume, eliminating upfront investments and providing affordability.
    • Elasticity: Cloud resources can expand and contract dynamically based on demand, ensuring scalability and flexibility.
    • Self-Service Interface: Users can access and manage cloud resources independently without requiring human intervention.
    • Resource Abstraction: Underlying physical infrastructure is hidden from users, presenting a simplified view for easier management.

    Cloud Infrastructure Management

    • Virtual Infrastructure Manager (VIM): A software toolkit responsible for managing and orchestrating physical and virtual resources in a cloud environment.
    • Dynamic Resource Allocation: VIMs allocate available resources to virtual machines (VMs) based on application needs, optimizing performance and cost efficiency.
    • Virtual Clusters: VIMs allow for the provisioning of interconnected VMs, enabling the deployment of distributed applications.
    • High Availability and Data Recovery: VI managers protect against failures by replicating VMs and implementing failover mechanisms, minimizing downtime.
    • Data Backup: Cloud platforms provide data protection mechanisms to ensure data integrity and recoverability.
    • Apache VCL (Virtual Computing Lab): An open-source project that provides web-based access to virtual labs and high-performance computing resources, enabling self-service and advanced resource management.

    Key Players in Cloud Infrastructure Management

    • OpenPEX: An open-source framework that supports resource reservation and negotiation mechanisms, allowing users to request and negotiate specific resources from a cloud provider.
    • Examples of Cloud Infrastructure Management Tools: The text mentions various VIMs, each with unique features and capabilities.

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    Description

    Test your knowledge on the foundational concepts of cloud computing. This quiz covers definitions, delivery models like IaaS, PaaS, SaaS, and deployment models such as public, private, and hybrid clouds. Challenge yourself to see how well you understand these key cloud computing principles.

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