Cloud Computing Flashcards

1
Q

Cloud computing?

A

An internet based computing service (providing servers, storage, databases, networks, software) to connected computers on demand

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2
Q

Private cloud

A

(Used by banks)
The cloud is managed by an organization and serve it solely

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3
Q

Public cloud

A

Cloud infrastructure is owned and managed by a third party cloud service provider and can have many tenants

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4
Q

Community cloud

A

(Governments)

Managed by many organizations and supports a specific community (with the same interests)

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5
Q

Hybrid cloud

A

Cloud infrastructure is composed of two or more of the other types

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6
Q

SaaS

A

Software as a service.
- renting application software from a service provider rather than buying, and installing it.
- saves storage
- Examples Google Drive, slack, Microsoft 365

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7
Q

PaaS

A

Platform as a service:
Hardware and software tools available over the internet upon which applications can be developed and executed

Example: Windows Azure, Wix

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8
Q

IaaS

A

Infrastructure as a service

Offering computing resources on the Cloud,
- computing resources like storage, virtualisation, networks on demand
- often pay-as-you-go,

Examples: AWS EC2

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9
Q

Benefits of SaaS

A
  1. Increased accessibility
  2. Automatic updates
  3. Reliability and security
  4. Cost reduction
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10
Q

Benefits of IaaS

A
  1. easier to scale
  2. upgrade and maintenance are shouldered by the cloud service provider
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