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Cloud Service Models
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Cloud Service Models

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@FoolproofTopaz

Questions and Answers

What is the primary benefit of using cloud services?

  • Having to purchase and maintain servers
  • Letting someone else handle tasks that are not core to the business (correct)
  • Having to manage scalability and maintenance
  • Having full control over hardware and software

    • What is an example of an application that can be delivered by a cloud service provider?

  • Custom-built software application (correct)
  • Networking gear
  • Operating System
  • Virtualization software

    • What is the role of the customer in a cloud service?

  • To manage and maintain the servers
  • To purchase and maintain the hardware
  • To handle scalability and upgrades
  • To use the application or software (correct)

    • What is the primary responsibility of a cloud service provider?

    <p>To manage and maintain the infrastructure</p> Signup and view all the answers

    What is the result of using a cloud service provider?

    <p>Reduced need for on-prem infrastructure</p> Signup and view all the answers

    What is the advantage of using a cloud service provider in terms of scalability?

    <p>The service provider has to handle scalability</p> Signup and view all the answers

    What is an example of on-prem infrastructure?

    <p>Four rack servers with virtualization software</p> Signup and view all the answers

    What is the name of the virtualization software running on the servers in the video?

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

    What is the primary function of the server labeled 'Management' in the Las Vegas data center?

    <p>To manage the ESXi hosts as a group</p> Signup and view all the answers

    What is the role of the ESXi software in the infrastructure setup?

    <p>To create and manage virtual machines on the physical hardware</p> Signup and view all the answers

    What is the benefit of using a service provider for virtual machines?

    <p>To have the functionality of virtual machines without managing the underlying infrastructure</p> Signup and view all the answers

    What is responsible for providing the operating system on the virtual machines?

    <p>The virtual machine itself</p> Signup and view all the answers

    What is the term used to describe doing everything in-house, on-premises?

    <p>On-prem</p> Signup and view all the answers

    What is the purpose of the vCSA virtual machine?

    <p>To manage the ESXi hosts as a group</p> Signup and view all the answers

    What is the responsibility of the client when using a service provider for virtual machines?

    <p>To manage the applications and data on the virtual machines</p> Signup and view all the answers

    What is the main difference between doing everything in-house and using a service provider?

    <p>Who is responsible for managing the underlying infrastructure</p> Signup and view all the answers

    What is the term used to describe the components that make up the underlying infrastructure?

    <p>Infrastructure stack</p> Signup and view all the answers

    What is the main benefit of using virtualization software?

    <p>To create and manage multiple virtual machines on a single physical host</p> Signup and view all the answers

    What is the primary advantage of using desktop-as-a-service?

    <p>Flexibility to spin up virtual machines on demand</p> Signup and view all the answers

    What does the 'X' in XaaS represent?

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

    Which of the following is NOT an example of XaaS?

    <p>Hardware-as-a-Product</p> Signup and view all the answers

    What happens to the state of a virtual machine when it is no longer needed?

    <p>It is saved and can be reused later</p> Signup and view all the answers

    What is the term for delivering desktops as virtual machines that can be remotely accessed?

    <p>Desktop-as-a-Service</p> Signup and view all the answers

    Which of the following is a characteristic of cloud services?

    <p>On-demand self-service</p> Signup and view all the answers

    What is the primary benefit of using infrastructure-as-a-service?

    <p>It allows customers to rent virtual machines and be responsible for applications and data</p> Signup and view all the answers

    What is the key difference between infrastructure-as-a-service and platform-as-a-service?

    <p>Infrastructure-as-a-service provides virtual machines, while platform-as-a-service provides a complete development environment</p> Signup and view all the answers

    What is the primary responsibility of the service provider in a software-as-a-service model?

    <p>To manage and maintain the application or software provided to the customer</p> Signup and view all the answers

    What is the trend observed in the different cloud service models?

    <p>The service provider takes more responsibility, and the customer takes less responsibility</p> Signup and view all the answers

    What is the primary benefit of using platform-as-a-service?

    <p>It provides a complete development environment with no customer responsibility for individual VMs or operating systems</p> Signup and view all the answers

    What is the key difference between on-prem and infrastructure-as-a-service?

    <p>On-prem requires customer responsibility for all components, while infrastructure-as-a-service requires less customer responsibility</p> Signup and view all the answers

    What is an example of a software-as-a-service application?

    <p>Salesforce or Slack, where the customer does not host the server</p> Signup and view all the answers

    What is the primary responsibility of the customer in a platform-as-a-service model?

    <p>To manage and maintain the development environment and applications</p> Signup and view all the answers

    What is the key benefit of using software-as-a-service?

    <p>It provides a software application with no customer responsibility for data, maintenance, or hosting</p> Signup and view all the answers

    What is the primary difference between platform-as-a-service and software-as-a-service?

    <p>Platform-as-a-service provides a development environment, while software-as-a-service provides a complete software application</p> Signup and view all the answers

    In infrastructure-as-a-service, who is responsible for managing the operating system and supporting software?

    <p>The customer</p> Signup and view all the answers

    What is a benefit of using software-as-a-service?

    <p>The customer can focus on using the application or service without worrying about the infrastructure</p> Signup and view all the answers

    What is an example of a platform-as-a-service?

    <p>AWS Elastic Beanstalk</p> Signup and view all the answers

    What is a drawback of using software-as-a-service?

    <p>The customer loses some control over the infrastructure and application</p> Signup and view all the answers

    What is function-as-a-service?

    <p>A service where the customer submits executable code to be executed by the service provider</p> Signup and view all the answers

    What is an advantage of using infrastructure-as-a-service?

    <p>The customer has full control over the infrastructure and application</p> Signup and view all the answers

    What is an example of a software-as-a-service?

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

    What is desktop-as-a-service?

    <p>A service where the customer can use virtualized desktops provided by the service provider</p> Signup and view all the answers

    What is a benefit of using platform-as-a-service?

    <p>The customer can focus on deploying and managing applications without worrying about the underlying infrastructure</p> Signup and view all the answers

    What is a key difference between infrastructure-as-a-service and software-as-a-service?

    <p>The customer manages the operating system and supporting software in infrastructure-as-a-service, but not in software-as-a-service</p> Signup and view all the answers

    Study Notes

    Cloud Service Models

    • Cloud services provide a range of benefits, including someone else taking care of tasks that we don't want to or can't do ourselves, such as hosting software applications.
    • In an on-prem setup, we would need to manage physical servers, networking, storage, virtualization, operating systems, and applications ourselves.

    Infrastructure-as-a-Service (IaaS)

    • Provides virtual machines (VMs) that customers can configure and manage as needed
    • Customers are responsible for the operating system, supporting software, data, and applications running on the VMs
    • Service provider is responsible for the physical servers, storage, and virtualization
    • Example: A software development company rents VMs and configures them to create a development environment

    Platform-as-a-Service (PaaS)

    • Provides a platform for developers to create code without worrying about individual VMs or infrastructure
    • Customers are responsible for the applications and data, but not the operating systems or servers
    • Service provider is responsible for the platform, operating systems, and infrastructure
    • Example: AWS Elastic Beanstalk, which supports various development environments and languages

    Software-as-a-Service (SaaS)

    • Provides software applications over the internet, eliminating the need for customers to host or manage them
    • Service provider is responsible for the entire application, including maintenance, updates, and security
    • Customers simply log in and use the application
    • Examples: Salesforce, Slack, Google Docs, and Gmail

    Other Service Types

    • Function-as-a-Service (FaaS): customers submit code to be executed, and the service provider runs it in the background
    • Desktop-as-a-Service (DaaS): virtual machines are provided as desktops, which can be spun up and down as needed
    • XaaS (Anything-as-a-Service): any service that can be delivered and consumed by a customer, such as Networking-as-a-Service or Storage-as-a-Service

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    Description

    Learn about the benefits of cloud services and the different models, including Infrastructure-as-a-Service, that provide virtual machines and customizable configurations.

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