Introduction to Cloud Computing Course
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Introduction to Cloud Computing Course

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Questions and Answers

What is one of the key properties of cloud computing?

  • On-demand self-service (correct)
  • Limited scalability
  • Centralized data management
  • Fixed pricing model

    • Which of the following is NOT a service model in cloud computing?

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

    • What is one characteristic that differentiates distributed computing from centralized computing?

  • Execution on a single server
  • Static data storage
  • Increased latency
  • Resource pooling (correct)

    • Which of the following best describes 'cloud economics'?

    <p>Financial viability of cloud services and their operational costs</p> Signup and view all the answers

    Identity and Access Management in cloud security primarily addresses what aspect?

    <p>User authentication and authorization processes</p> Signup and view all the answers

    Which of the following deployment models is characterized by resources being shared across multiple tenants?

    <p>Public cloud</p> Signup and view all the answers

    What is a common disadvantage of cloud computing?

    <p>Potential security vulnerabilities</p> Signup and view all the answers

    Which computing trend involves sharing resources across a network of computers?

    <p>Distributed Computing</p> Signup and view all the answers

    What is a primary reason for deploying clusters?

    <p>To improve speed and/or reliability</p> Signup and view all the answers

    Which type of cluster is typically designed to maintain system availability?

    <p>High Availability or Failover Clusters</p> Signup and view all the answers

    What is NOT a characteristic of clusters according to the information provided?

    <p>Complete independence of nodes</p> Signup and view all the answers

    What operational benefit is primarily associated with clustering?

    <p>Inherent high system availability</p> Signup and view all the answers

    How does utility computing primarily charge customers?

    <p>Charges based on specific usage</p> Signup and view all the answers

    Which component is NOT considered a basic building block of clusters?

    <p>Operating Systems</p> Signup and view all the answers

    What advantage does a load balancing cluster provide?

    <p>Uniform resource allocation</p> Signup and view all the answers

    What characteristic is associated with low latency communication protocols in clusters?

    <p>Faster response times between nodes</p> Signup and view all the answers

    What does the absence of a Single Point Of Failure (SPOF) in a distributed system indicate?

    <p>Failure of one node does not halt the entire system.</p> Signup and view all the answers

    Which type of task is best suited for distributed computing?

    <p>Tasks involving large datasets and significant processing power.</p> Signup and view all the answers

    How do peer-to-peer (P2P) applications differ from traditional client-server applications?

    <p>P2P applications distribute processes across a network rather than centralizing them.</p> Signup and view all the answers

    What is a primary feature of grid computing?

    <p>It utilizes networked computer resources for a unified task.</p> Signup and view all the answers

    Which of the following applications is an example of data-intensive task mentioned?

    <p>Data processing for the Large Hadron Collider (LHC).</p> Signup and view all the answers

    What is a consequence of virtualizing distributed computing resources in grid computing?

    <p>Access to a collective set of computing resources as one single system.</p> Signup and view all the answers

    What distinguishes distributed applications from traditional applications?

    <p>They consist of processes that function in a coordinated manner over a network.</p> Signup and view all the answers

    What unique advantage does grid computing provide?

    <p>It allows for harnessing of unused processing power from numerous computers.</p> Signup and view all the answers

    What is the main characteristic of rapid elasticity in cloud computing?

    <p>Capabilities can be elastically provisioned and released based on demand.</p> Signup and view all the answers

    Which cloud service model allows consumers to use applications running on a cloud infrastructure without managing the underlying system?

    <p>Software as a Service (SaaS)</p> Signup and view all the answers

    What defines the Platform as a Service (PaaS) model?

    <p>It enables consumers to deploy applications created using supported programming tools without managing the infrastructure.</p> Signup and view all the answers

    Which of the following is NOT a common characteristic of cloud computing?

    <p>High Dependency on Traditional Servers</p> Signup and view all the answers

    Which deployment model is exclusively operated for a single organization?

    <p>Private cloud</p> Signup and view all the answers

    In which cloud service model can consumers deploy and run arbitrary software?

    <p>Infrastructure as a Service (IaaS)</p> Signup and view all the answers

    What describes a community cloud?

    <p>It is shared by multiple organizations with common goals.</p> Signup and view all the answers

    What is a primary feature of utility computing?

    <p>Virtualization of storage and computing power</p> Signup and view all the answers

    Which option describes a feature of virtualization in cloud computing?

    <p>It reduces the need for physical hardware.</p> Signup and view all the answers

    Which payment model is NOT typically associated with utility computing?

    <p>Equity stake</p> Signup and view all the answers

    What characteristic defines cloud computing as per the US National Institute of Standards and Technology?

    <p>On-demand access to a shared pool of resources</p> Signup and view all the answers

    Which factor does NOT influence utility computing pricing models?

    <p>Technology vendor payments</p> Signup and view all the answers

    What is one of the risks associated with utility computing?

    <p>Data security</p> Signup and view all the answers

    Which of the following is an incorrect assumption about outsourcing in the context of utility computing?

    <p>Outsourcing guarantees data security</p> Signup and view all the answers

    Which of the following accurately describes the relationship between consumers and providers in utility computing?

    <p>Providers manage service assurance</p> Signup and view all the answers

    What does SLA stand for in the context of utility computing?

    <p>Service Level Agreement</p> Signup and view all the answers

    What aspect of utility computing addresses the resource utilization problem?

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

    Which feature does NOT typically belong to utility computing frameworks?

    <p>Robust data analytics</p> Signup and view all the answers

    Study Notes

    Introduction to Cloud Computing

    • Cloud computing is a model that provides on-demand access to shared computing resources, such as servers, networks, storage, and applications.
    • These resources are delivered over the internet and can be provisioned and released quickly.
    • Users are only charged for what they use.

    Cloud Computing Course Overview

    • Cloud Computing Stack:

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

    • Deployment Models:

      • Private Cloud
      • Community Cloud
      • Public Cloud
      • Hybrid Cloud

    Service Management in Cloud Computing

    • Service Level Agreements (SLAs):

      • SLAs define the terms of service between a cloud provider and a user.
      • They specify metrics such as uptime, performance, and security.

    • Cloud Economics:

      • Cloud economics involves understanding the costs associated with using cloud services.
      • It includes the costs of storage, bandwidth, and computing resources.

    • Distributed Computing:

      • Tasks are spread across multiple computers.
      • Improves performance, reliability, and robustness.
      • Can be classified into "client-server" and "peer-to-peer" applications.

    • Grid Computing:

      • Uses unused processing power of networked computers to solve complex problems.
      • Creates a virtual supercomputer with high computational power.

    • Cluster Computing:

      • Group of interconnected computers that work together as a single system.
      • Improves performance, reliability, and scalability.

    • Utility Computing:

      • A model where computing resources are provisioned on-demand and paid for based on usage.
      • Similar to utility services such as electricity or water.
      • Allows organizations to access resources as needed without the costs of owning and maintaining their own infrastructure.

    Cloud Computing (NIST Model)

    • Cloud computing is characterized by rapid elasticity, meaning resources can be quickly provisioned and released to meet demand fluctuations.

    Cloud Services Models

    • Software as a Service (SaaS):

      • Users access applications over the internet.
      • Users do not manage the underlying infrastructure.
      • Examples: Google Gmail, Microsoft Office 365.

    • Platform as a Service (PaaS):

      • Users can deploy and manage applications developed using the provider's tools and services.
      • Users do not manage the underlying infrastructure.
      • Examples: Heroku, Google App Engine.

    • Infrastructure as a Service (IaaS):

      • Users rent virtualized computing resources such as servers, storage, and networks.
      • Users have control over the operating system and applications deployed on the virtualized resources.
      • Examples: Amazon Web Services (AWS), Microsoft Azure.

    Cloud Security

    • Infrastructure Security:

      • Protecting the physical and virtual infrastructure of a cloud environment.
      • Includes measures such as firewalls, intrusion detection systems, and vulnerability scanning.

    • Data Security and Storage:

      • Protecting sensitive data stored in the cloud.
      • Includes measures such as encryption, access control, and data backups.

    • Identity and Access Management (IAM):

      • Enables the control and management of user identities and permissions within a cloud environment.
      • It ensures only authorized users can access specific resources and data.

    Key Operational Benefits of Clustering

    • High Availability and Fault Tolerance:

      • Clustering provides redundancy for hardware, operating systems, and applications.
      • This ensures continued operation even if one or more nodes fail.

    • Scalability:

      • Clusters can be easily scaled up or down by adding or removing nodes.
      • This allows for greater flexibility and resource optimization.

    • Performance:

      • Clusters can offer significantly improved performance over single-node systems.
      • This is achieved by distributing tasks across multiple nodes.

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    Related Documents

    Cloud Computing Overview PDF

    Description

    This quiz covers fundamental concepts in cloud computing, including service models like IaaS, PaaS, and SaaS, as well as various deployment models such as private and public clouds. Additionally, it touches on Service Level Agreements (SLAs) and cloud economics. Test your knowledge of these essential topics in cloud technology!

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