Cloud components (Month 7) Flashcards

1
Q

Cloud Computing

A
  • Symbol to show the internet in flow charts and diagrams
  • Is various services supplied by data centres
  • Hosted externally to your organisation and accessed via the internet
  • Has vast amount of storage space and iniquitous access to your data
  • Examples : Dropbox, Microsoft, Apple
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2
Q

Cloud Computing (pt2)

A
  • Services offered are storage, servers, data bases and software provided via the internet
  • Most services are hosted on virtual servers (Known as provisioning)
  • Reduces footprint of physical devices
  • Organisations usually pay monthly a full amount fee for the services
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3
Q

Cloud Characteristics

A
  • Generally accessed using a browser to connect to a service
  • Crucial to have a DNS correctly configured as they are being accessed remotely
  • Iniquitous access is crucial
  • Makes it accessible abroad no matter the location
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4
Q

Cloud Characteristics (PT2)

A
  • Elasticity refers to the way a system can automatically adapt to workload changes, provisional or de-provisional resources
  • Cloud bursting is a system that dynamically deploy applications from a private to public cloud
  • Remote access can be accessed anywhere 24/7
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5
Q

On-Demand Self-Service

A
  • Refers to the services provided by cloud computing vendors
  • Access the cloud through online control panel
  • Example is Amazon Web-Services
    • Can configure existing services or add new ones
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6
Q

Collaboration

A
  • More companies are moving to remote working
  • Need to share data collaboratively
  • Use services like Teams, Zoom etc
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7
Q

Pay as you Grow

A
  • You pay for what you’ve got but if you increase, so does the bill
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8
Q

Charge Back

A
  • All organisations to invoice departments based on what they use
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9
Q

Requirements for Cloud

A

A company would have to purchase hardware & software required to use the cloud.
The better the software, the more capacity and peaks loads the cloud is capable off

There are additional costs like sockets, VPN, data protection etc

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10
Q

Types of Services

A

Software as a service SaaS
Infrastructure as a Service. IaaS
Platform as a Service. PaaS
Anything as a Service. XaaS
Communication as a Service. CaaS
Business Process as a Service BPaaS
Disaster Recovery as a Service. DRaaS
Solution as a Service SoaaS

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11
Q

Cloud Models

A
  • Public Cloud
  • Private Cloud
  • Hybrid Cloud
  • Community Cloud
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12
Q

Single & Multi Tenancy

A

Single Tenancy
- Company wants 2TB of data and its dedicated to them

Multi Tenancy
- A building with multiple companies who have shared & private areas
- etc public toilet, private office

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