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CompTIA A+ 1101 (Core 1) (Retired) > 4.1 - Summarize cloud-computing concepts > Flashcards

4.1 - Summarize cloud-computing concepts Flashcards

1
Q

4 cloud deployment models?

4.1 Summarize cloud-computing concepts

A
  • Public Cloud
  • Private Cloud
  • Community Cloud
  • Hybrid Cloud
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2
Q

3 cloud service models?

4.1 Summarize cloud-computing concepts

A
  • IaaS
  • SaaS
  • PaaS
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3
Q

Meaning of IaaS?

Pronounced as “eye-a-a-ess”

4.1 Summarize cloud-computing concepts

A

Infrastructure as a Service

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4
Q

Meaning of SaaS?

Pronounced as “sass”

4.1 Summarize cloud-computing concepts

A

Software as a Service

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5
Q

Meaning of PaaS?

Pronounced as “pass”

4.1 Summarize cloud-computing concepts

A

Platform as a Service

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6
Q

How do private clouds differ from other cloud models?

4.1 Summarize cloud-computing concepts: Common Cloud Models - Private Cloud

A

Restricting access to a specific group

Group like a company, school, or organization

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7
Q

How do public clouds differ from other cloud models?

4.1 Summarize cloud-computing concepts: Common Cloud Models - Public Cloud

A

Accessible to anyone

There is no cost, restriction, or authorization

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8
Q

What is a hybrid cloud?

4.1 Summarize cloud-computing concepts: Common Cloud Models - Hybrid Cloud

A

Mix of public & private cloud, & onsite reosurces

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9
Q

What is a community cloud?

4.1 Summarize cloud-computing concepts: Common Cloud Models - Community cloud

A

Hybrid cloud where members share the public portion

A member is someone or org. contributing collectively to invest in cloud equipment for establishing a private cloud

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10
Q

What does the provider provide in a IaaS cloud model?

4.1 Summarize cloud-computing concepts: Common Cloud Models - IaaS

A

The necessary hardware

& maybe the OS

IaaS provides the virtualization, servers, storage, networking, & maybe the OS

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11
Q

How does SaaS work?

4.1 Summarize cloud-computing concepts: Common Cloud Models - SaaS

A

By leaving all the work for an app to the provider

The provider creates, deploys, updates, & manages their own app

i.e. Gmail. ChatGPT, Brainscape, Office 365, Notion, etc.

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12
Q

How does PaaS work?

4.1 Summarize cloud-computing concepts: Common Cloud Models - PaaS

A

Provides platform to construct apps.

PaaS streamlines programming by providing a pre-built platform. Assemble required modules, and the platform ensures data security. Salesforce.com is an example, offering customizable building blocks for easy application deployment

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13
Q

5 cloud characteristics?

4.1 Summarize cloud-computing concepts: Cloud Characteristics

A
  • Shared resources
  • Metered utilization
  • Rapid elasticity
  • High availability
  • File synchronization
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14
Q

what does “metered utilization” mean?

4.1 Summarize cloud-computing concepts: Cloud Characteristics - Metered Utilization

A

Monitoring utilization to accurately bill users

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15
Q

What is “rapid elasticity”

4.1 Summarize cloud-computing concepts: Cloud Characteristics - Rapid elasticity

A

Rapid cloud network scalability.

Ability to build or extend a cloud-based network quickly & efficiently

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16
Q

Meaning of VDI?

4.1 Summarize cloud-computing concepts: Cloud Characteristics - Virtualization

A

Virtual Desktop Infrastructure

17
Q

Purpose of a VDI?

4.1 Summarize cloud-computing concepts: Cloud Characteristics - Virtualization

A

To host multiple virtual desktops

Whether in the cloud or on-premises

Users can access virtual desktops and applications from any system using a browser or third-party app. Major VDI solution providers include Citrix, VMware, Microsoft, and AWS. Desktop virtualization often relies on Platform as a Service (PaaS).

18
Q

How do persistent virtual desktops differ from non-persistent ones?

4.1 Summarize cloud-computing concepts: Cloud Characteristics - Virtualization

A

By saving the entire environment for later recall

19
Q

How do non-persisten virtual desktops differ from persistent ones?

4.1 Summarize cloud-computing concepts: Cloud Characteristics - Virtualization

A

By recreating the environment anew each time they start

They can’t be saved

CompTIA A+ 1101 (Core 1) (Retired) (23 decks)

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