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Cloud Computing > chapter 2 > Flashcards

chapter 2 Flashcards

1
Q

What is the primary responsibility of a cloud provider?

A

A cloud provider is responsible for making cloud services available to cloud consumers, as per agreed upon SLA

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2
Q

Define a cloud consumer.

A

A cloud consumer is an organization or individual that has a formal contract with a cloud provider to use IT resources made available by the cloud provider.

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3
Q

What role does a cloud broker play in cloud computing?

A

A cloud broker negotiates, manages, and operates cloud services on behalf of a cloud consumer. They provide mediation services between cloud consumers and cloud providers.

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4
Q

Who is a cloud service owner?

A

A cloud service owner is the person or organization that legally owns a cloud service [ externally accessible IT resources that reside in a cloud ]

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5
Q

Who can be a cloud service owner in a third-party cloud?

A

Either the cloud consumer that develops and deploys the service or the

cloud provider that hosts the service can be the cloud service owner in a third-party cloud.

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6
Q

What does a cloud resource administrator do?

A

A cloud resource administrator is responsible for administering a cloud-based IT resource, which can include cloud services. They can belong to the cloud consumer, cloud provider, or a third-party organization contracted to administer the resource.

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7
Q

when does A cloud provider become a cloud service owner

A

when it deploys its own cloud service, typically for other cloud consumers to use.

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8
Q

What distinguishes a cloud service owner from a cloud resource owner?

A

A cloud service owner owns the cloud service, which is an externally accessible IT resource in the cloud.

while a cloud resource owner may own any IT resource, not necessarily accessible as a cloud service.

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9
Q

cloud service owner vs cloud resource administrator

A

The service owner oversees the entire service lifecycle, while the resource administrator focuses on managing specific cloud resources.

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10
Q

Describe the role of a cloud auditor.

A

A cloud auditor is a third-party, often accredited, that conducts independent assessments of cloud environments.

including:
evaluating security controls,
privacy impacts, and
performance.

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11
Q

what is The reason a cloud resource administrator is not referred to as a “cloud service administrator”

A

A cloud resource administrator may manage any cloud-based IT resource, not limited to cloud services, while a cloud service administrator specifically manages cloud services.

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12
Q

Describe the role of a cloud auditor.

A

A cloud auditor is a third-party, often accredited, that conducts independent assessments of cloud environments, including evaluating security controls, privacy impacts, and performance.

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13
Q

What supplementary roles does The NIST Cloud Computing Reference Architecture define?

A

cloud auditor
cloud carrier

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14
Q

What is the responsibility of a cloud carrier?

A

A cloud carrier provides the wire-level connectivity between cloud consumers and cloud providers, often assumed by network and telecommunication providers.

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15
Q

Explain the concept of an organizational boundary in cloud computing.

A

An organizational boundary represents the physical perimeter surrounding a set of IT resources owned by an organization.

It does not represent the boundary of an actual organization but rather a set of IT assets and resources.

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16
Q

What is a trust boundary in cloud environments?

A

A trust boundary is a logical perimeter that extends beyond physical boundaries to represent the extent to which IT resources of a cloud provider are trusted by an organization acting as the cloud consumer.

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17
Q

List common cloud environments characteristics:

A

on-demand usage
ubiquitous access
multi-tenancy (and resource pooling)
elasticity
measured usage
resiliency

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18
Q

What does on-demand usage mean in cloud computing?

A

On-demand usage allows cloud consumers to access cloud-based IT resources when they want to.

enabling self-provisioning and automated usage

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19
Q

Define ubiquitous access in the context of cloud services.

A

the ability for a cloud service to be widely accessible across a range of devices, transport protocols, interfaces, and security technologies.

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20
Q

Explain multitenancy in cloud computing.

A

Multi-tenancy is a software architecture that allows a single instance of a software application to serve multiple customers (tenants), each isolated from the other.

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21
Q

What is elasticity in cloud computing?

A

Elasticity is the automated ability of a cloud to scale IT resources as required

22
Q

Describe measured usage in cloud environments.

A

the ability of a cloud platform to track the usage of its IT resources, allowing providers to charge consumers based on the actual usage

23
Q

What is resiliency in cloud computing?

A

the ability of a cloud to distribute redundant IT resources across physical locations, ensuring failover and continued operation in case of resource failure.

24
Q

what is A cloud delivery model

A

A cloud delivery model represents a specific, pre-packaged combination of IT resources offered by a cloud provider.

25
Q

Name the three common cloud delivery models.

A

Infrastructure-as-a-Service (IaaS),
Platform-as-a-Service (PaaS), and
Software-as-a-Service (SaaS).

26
Q

What does IaaS provide to cloud consumers?

A

IaaS provides a self-contained IT environment comprising infrastructure-centric IT resources such as hardware, network, connectivity, and operating systems.

google cloud, aws

27
Q

Explain the PaaS delivery model.

A

PaaS provides a ready-to-use environment with pre-deployed and configured IT resources.

relieving cloud consumers of infrastructure setup and maintenance.

  • firebase, shopify …
28
Q

What is the primary use of the SaaS delivery model?

A

The SaaS delivery model provides software applications as reusable cloud services, often commercially available,

google doc, zoom …

29
Q

How does IaaS differ from traditional hosting environments?

A

IaaS differs from traditional hosting by offering virtualized IT resources that are typically bundled to simplify runtime scaling and customization

30
Q

__________ provide cloud consumers with a high level of control and responsibility over its configuration and utilization.

A

IaaS

31
Q

What are common reasons for using a PaaS environment is used by a cloud consumer?

A

to extend on-premise environments to the cloud

to substitute an on-premise environment

to deploy cloud services to become a cloud provider.

32
Q

_______ provides limited administrative control and relying on the provider for service provisioning and maintenance.

A

SaaS

33
Q

Compare the control levels of IaaS, PaaS, and SaaS.

A

IaaS: high control over the infrastructure

PaaS: high control over application development not over underlying infrastructure

SaaS: minimal control, focuses on software usage.

34
Q

What are common combination of cloud delivery models?

A
  • IaaS + PaaS
  • IaaS + PaaS + Saas
35
Q

Explain IaaS + PaaS

A

a PaaS environment is built upon an IaaS infrastructure to provide both the underlying hardware and a ready-made development platform.

36
Q

List Cloud Delivery Sub Models

A
  • Database-as-a-Service ( PaaS )
  • Security-as-a-Service ( SaaS )
  • Storage-as-a-Service ( IaaS )
  • Communication-as-a-Service (SaaS)
  • Integration-as-a-Service (PaaS)
  • Testing-as-a-Service (SaaS)
  • Process-as-a-Service (SaaS)
  • Desktop-as-a-Service ( IaaS)
37
Q

what is A cloud deployment model

A

represents a specific type of cloud environment, primarily distinguished by ownership, size, and access.

38
Q

what are The four common cloud deployment models

A

Public cloud
Private cloud
Multi-cloud
Hybrid cloud

39
Q

What is a Public Cloud

A

Imagine a giant public library.

This model offers on-demand access to computing resources (servers, storage, databases) over the public internet.

Anyone with an internet connection can sign up and use these resources, typically on a pay-as-you-go basis.

(AWS), Microsoft Azure, and Google Cloud …

40
Q

Who is responsible for the maintenance of a public cloud?

A

The cloud provider is responsible for the creation and ongoing maintenance of the public cloud and its IT resources.

41
Q

what is a private cloud

A

Think of a private research facility.

This model offers a dedicated cloud environment for a single organization.

The resources are not shared with the public and can be located on-premises or hosted by a cloud provider with a secure, private connection.

Private clouds provide greater control and security but require more investment in management.

42
Q

How do private clouds affect organizational and trust boundaries?

A

by potentially reducing some risks and challenges associated with public clouds.

43
Q

Who typically administers a private cloud environment?

A

by internal or outsourced staff.

44
Q

Explain the roles of cloud provider and cloud consumer within a private cloud.

A
  • a separate organizational department : cloud provider
  • departments requiring access to the private cloud : cloud consumers.
45
Q

Differentiate between “on-premise” and “cloud-based” within the context of a private cloud.

A
  • “on-premise” means you have your own physical hardware
  • “cloud-based” means the hardware is at a provider’s data center but dedicated to you.
  • Think of it as your own research lab (on-premise) vs renting a private lab space (cloud-based).
46
Q

What is a multi-cloud deployment model?

A
  • when a cloud consumer organization uses cloud services and IT resources from different public clouds provided by multiple cloud providers.
47
Q

List three benefits of a multi-cloud deployment model.

A

Improved redundancy and system backups.

Reduced vendor lock-in, enhancing mobility.

Leveraging best-of-breed cloud services from different vendors.

48
Q

Define a hybrid cloud.

A

A hybrid cloud is a cloud environment comprised of two or more different cloud deployment models

49
Q

Provide an example of a hybrid cloud deployment.

A

when an organization deploys cloud services processing sensitive data to a private cloud and other, less sensitive cloud services to a public cloud.

50
Q

What are some challenges associated with hybrid cloud deployment architectures?

A
  • potential disparity in cloud environments
  • management is split between the private cloud provider organization and the public cloud provider.

Cloud Computing (3 decks)

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