AWS Cloud Intro. Flashcards

1
Q

Cloud Computing

A

Refers to the on-demand delivery of IT resources and applications via the Internet

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2
Q

What does ‘cloud computing’ allow for?

A
  • Ability to access data centers and its resources via the Internet — allowing to scale based on actual needs
  • Responding quickly to changing market conditions — facilitating scalability, agility, and innovation
  • Ease of access to new resources — helps to be more agile and innovative while spending less time focusing on your infrastructure
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3
Q

What do ‘virtual and automatable resources’ allow for?

A

Allow for comparative testing using different types of instances, storage, or configuration (ex. AWS CloudFormation)

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4
Q

AWS Cloud helps with:

A
  • Reducing risk
  • Scalability
  • Agility
  • Elasticity
  • Reliability
  • Security of data
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5
Q

What does ‘reducing risk’ mean?

A

Insisting on results while the investment is being made and you pivot as soon as desired results aren’t being shown

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6
Q

How do you reduce security risk?

A

Test often, patch quickly, and respond to incidents immediately

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7
Q

Scalability

A

The ability to resize your resources as necessary

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8
Q

Benefits of ‘scalability’

A

Customers can:

  • Adapt their consumption of services to meet seasonal requirements
  • Launch new services or products
  • Accommodate new strategic directions
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9
Q

Three main factors of ‘agility’

A
  • Increasing speed
  • Ease of experimentation — can lead to discovery of innovations and new configurations
  • Cultivating a culture of innovation
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10
Q

Elasticity

A

Power to scale computing resources up or down based on demand

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11
Q

What does ‘elasticity’ allow for?

A
  • Quickly deploy new applications and instantly scale up as workloads grow while shutting down resources that are not required
  • Ability to use AWS tools such as Auto Scaling and Elastic Load Balancing
  • Efficiencies of scale
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12
Q

Efficiencies of scale

A

Allowing customers to use innovative services and cutting-edge technology without having to go through multiple procurement cycles and expensive evaluations

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13
Q

Reliability

A

Ability of a system to recover from IaaS failures

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14
Q

What does ‘reliability’ include?

A
  • An architecture and systems in place with a well-planned foundation that handles change in demand, detects failures, and has self-automation capabilities
  • AWS allowing organizations to achieve greater flexibility and capacity while reducing uncertainty of forecasting hardware needs — difficult for on-premise solutions to match
  • AWS Regions
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15
Q

AWS Regions

A

Amazon data centers in geographic regions that have multiple isolated locations known as Availability Zones

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16
Q

Availability Zones

A

Consist of one or more discrete data centers with each having redundant power, networking, and connectivity capabilities housed in separate facilities

17
Q

What do ‘availability zones’ allow for?

A
  • Ability for organizations to place resources in multiple locations and operate production applications and databases that are more highly available, fault-tolerant, and scalable than is possible from just one data center
  • The structure of these are intentional and directly related to Fault-Tolerance
18
Q

Fault-Tolerance

A

Systems can remain operational even if some of its components fail

19
Q

What does ‘fault-tolerance’ allow for?

A

Its high availability ensures systems are functioning and accessible while downtime is minimized as much as possible without the need for human intervention

20
Q

What does ‘security of data’ include?

A
  • AWS allows complete control and ownership of your data — including regions data is stored and encrypted
  • AWS provides the ability to continually monitor IT resources and spot changes at once
  • Security policies can be built into the infrastructure since AWS assets are programmable resources