Cloud Computing Fundamentals
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Questions and Answers

What does the cloud symbol commonly represent in networking?

  • A service provider's infrastructure
  • All the rest of the networks on the internet, including servers and DNS (correct)
  • A single firewall at the edge of the network
  • Only the internal network with devices

    • Why do we draw a cloud in networking diagrams?

  • To emphasize the importance of the internal network
  • To highlight the role of the firewall
  • To simplify the complexity of the external networks (correct)
  • To identify the service provider's infrastructure

    • What is implied by the term 'cloud' in the context of cloud services?

  • A specific application or software
  • The customer's own infrastructure
  • The service provider's infrastructure (correct)
  • The internet as a whole

    • What is the role of the service provider in cloud services?

    <p>To provide the cloud services</p> Signup and view all the answers

    What do customers do to use a cloud service?

    <p>They connect to the service provider's application</p> Signup and view all the answers

    What is not represented by the cloud symbol?

    <p>The customer's own devices</p> Signup and view all the answers

    What is the primary reason for drawing a cloud in networking diagrams?

    <p>To simplify the complexity of the external networks</p> Signup and view all the answers

    What is the key characteristic of cloud services?

    <p>The service provider manages the infrastructure</p> Signup and view all the answers

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

    <p>To handle the physical infrastructure</p> Signup and view all the answers

    What is the key difference between Customer A and Customer B?

    <p>Customer A only wants to use an application, while Customer B wants to rent virtual machines</p> Signup and view all the answers

    What is the purpose of virtualization in a cloud service?

    <p>To enable the service provider to spin up or bring down servers as needed</p> Signup and view all the answers

    What is an example of a resource that the service provider manages behind the scenes?

    <p>CPU and memory</p> Signup and view all the answers

    What is the benefit of renting virtual machines in the cloud?

    <p>Customers can install their own applications on the virtual machines</p> Signup and view all the answers

    What is the role of the service provider in managing customer data?

    <p>The service provider is responsible for storing customer data</p> Signup and view all the answers

    What is an advantage of using a cloud service?

    <p>Customers can scale their resources up or down as needed</p> Signup and view all the answers

    What is the key benefit of using virtual machines in the cloud?

    <p>Virtual machines can be easily spun up or brought down as needed</p> Signup and view all the answers

    Who is responsible for managing the virtual machines rented by Customer B?

    <p>Customer B</p> Signup and view all the answers

    What is the primary responsibility of the service provider in an Infrastructure as a Service (IaaS) model?

    <p>Delivering entire virtual machines to customers</p> Signup and view all the answers

    What is the primary benefit of using a cloud service for Customer A?

    <p>Customer A can focus on using the application without worrying about the underlying infrastructure</p> Signup and view all the answers

    What is the characteristic that distinguishes public cloud services from private cloud services?

    <p>Availability to specific groups or organizations</p> Signup and view all the answers

    What is the term for cloud services that combine public and private cloud services?

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

    What is the purpose of self-service kiosks in cloud services?

    <p>To automate VM provisioning</p> Signup and view all the answers

    What is the key benefit of automation in cloud services?

    <p>Increased efficiency and speed</p> Signup and view all the answers

    What is the primary difference between Infrastructure as a Service (IaaS) and Software as a Service (SaaS)?

    <p>Level of customer control</p> Signup and view all the answers

    What is the term for cloud services shared by two or more organizations with similar needs or interests?

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

    What is the primary role of the customer in an Infrastructure as a Service (IaaS) model?

    <p>Paying for virtual machines and services</p> Signup and view all the answers

    What is the key advantage of using cloud services over traditional IT infrastructure?

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

    What is the term for the process of users creating and configuring their own virtual machines and services through an online portal?

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

    What is the primary advantage of using automation in device provisioning and configuration?

    <p>Increasing the consistency and accuracy of device configuration</p> Signup and view all the answers

    What concept is referred to as 'Infrastructure as Code'?

    <p>Using scripts and applications to consistently roll out devices and systems</p> Signup and view all the answers

    What is the primary benefit of using software-defined networks?

    <p>Automation of network configuration and implementation</p> Signup and view all the answers

    What type of connection would Customer B likely use to connect to their virtual machines?

    <p>VPN connection</p> Signup and view all the answers

    What is a key benefit of using cloud services?

    <p>Elimination of hardware maintenance</p> Signup and view all the answers

    What is the role of automation in device management?

    <p>To provision and roll out devices</p> Signup and view all the answers

    What is the concept of 'IaC' an idea of?

    <p>Using scripts and applications to give consistent results</p> Signup and view all the answers

    What is the primary advantage of using software-defined networks over traditional networks?

    <p>Automation of network configuration and implementation</p> Signup and view all the answers

    What is the role of automation in ensuring consistency in device configuration?

    <p>To ensure consistency in device configuration</p> Signup and view all the answers

    What is the primary benefit of using automation in device provisioning?

    <p>Increasing the consistency and accuracy of device configuration</p> Signup and view all the answers

    What is a key consideration when customers are using the same physical resources from a service provider?

    <p>The security and isolation of customer data</p> Signup and view all the answers

    What enables the service provider to dynamically allocate resources in response to changes in customer demand?

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

    What is a benefit of cloud computing that allows customers to easily increase or decrease their resource usage?

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

    What is the term for when multiple customers share the same physical resources from a service provider?

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

    What is the main concern when customers are using virtual machines from the same service provider?

    <p>Security and isolation of customer data</p> Signup and view all the answers

    What enables the service provider to ensure that customers do not interfere with each other's data?

    <p>Security controls and isolation</p> Signup and view all the answers

    What is the benefit of cloud computing that allows customers to pay only for the resources they use?

    <p>Pay-as-you-go pricing</p> Signup and view all the answers

    What is the term for the ability of a service provider to dynamically add or remove resources in response to changes in customer demand?

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

    What is the primary advantage of using virtual machines from a service provider?

    <p>Scalability and elasticity</p> Signup and view all the answers

    What is the key characteristic of cloud computing that enables customers to easily scale up or down?

    <p>Scalability and elasticity</p> Signup and view all the answers

    What is a key consideration for customers using cloud services with regard to data storage?

    <p>Ensuring data is stored in a specific geographical location</p> Signup and view all the answers

    What is the benefit of scalability and elasticity in cloud services?

    <p>Capability to grow and shrink resources on demand</p> Signup and view all the answers

    Why is multitenancy a security concern in cloud services?

    <p>Because it allows multiple customers to share resources</p> Signup and view all the answers

    What is the primary difference between Customer A and Customer B in the context of cloud services?

    <p>Customer A uses infrastructure, while Customer B uses software</p> Signup and view all the answers

    What is a key benefit of using a service provider for cloud services?

    <p>Service providers manage physical resources, freeing up customer resources</p> Signup and view all the answers

    What is an important consideration for customers using cloud services with regard to regulations?

    <p>Verifying the service provider's compliance with regulatory requirements</p> Signup and view all the answers

    What is a characteristic of cloud services that allows customers to adjust their resource usage?

    <p>Scalability and elasticity</p> Signup and view all the answers

    Why do customers need to ensure that their data is stored in a specific geographical location?

    <p>To comply with regulatory requirements</p> Signup and view all the answers

    Study Notes

    Cloud and Cloud Services

    • A cloud is a symbol used to represent complex network infrastructure that we don't want to or need to identify in detail.
    • It can include firewalls, internal networks, and external networks.

    Cloud Services

    • Cloud services are services provided by someone else, implying that someone else is doing the heavy lifting.
    • A service provider provides an application that customers can use, and they manage the underlying infrastructure.
    • The service provider is responsible for the operating system, virtualization, servers, storage, and networking.

    Types of Cloud Services

    • Software as a Service (SaaS): Customers use an application provided by the service provider, and the service provider manages everything else (e.g., Salesforce).
    • Infrastructure as a Service (IaaS): Customers rent virtual machines and infrastructure from the service provider, and they manage those virtual machines (e.g., renting servers).

    Cloud Deployment Models

    • Public Cloud: Services are available to anyone, and anyone can use them.
    • Private Cloud: Services are restricted to a specific group or organization.
    • Community Cloud: Services are shared by multiple organizations with similar needs or interests.
    • Hybrid Cloud: A combination of public and private cloud services.

    Automation and Provisioning

    • Automation is used to automate tasks and provisioning to speed up deployment.
    • Infrastructure as Code (IaC) allows for consistent results and reduces errors.
    • Automation enables self-service kiosks for customers to create their own virtual machines.

    Connectivity and Security

    • Connectivity to cloud services depends on the type of service (e.g., browser for SaaS, VPN for IaaS).
    • Multitenancy allows multiple customers to share the same resources, but requires isolation and security controls to prevent interference.
    • Data storage location and security are critical concerns for customers.

    Benefits of Cloud Services

    • Scalability and elasticity allow customers to grow or shrink their resources as needed.
    • Reduced management burden for customers, as the service provider handles infrastructure.
    • Automated provisioning and infrastructure management.

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    Description

    Learn about the basics of cloud computing and cloud services, including why the concept of a cloud is used in networking.

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