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AWS Cloud Practitioner > Cloud Computing Overview > Flashcards

Cloud Computing Overview Flashcards

1
Q

What is cloud computing?

A

The on-demand delivery of compute power, database storage, applications, and other IT resources

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2
Q

What is private cloud?

A

Cloud services used by a single organization, not exposed to the public.

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3
Q

What is public cloud?

A

Cloud services owned and operated by a third-party cloud service provider delivered over the internet.

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4
Q

What is hybrid cloud?

A

We’re going to keep some servers on-premises and extend some of the capabilities into the cloud

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5
Q

What are the 5 characteristics of cloud computing?

A
  1. On-demand self service
  2. Broad network access
  3. Multi-tenancy and resource pooling
  4. Rapid elastic and scalability
  5. Measured service
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6
Q

What is multi-tenancy in relation to cloud computing?

A

Multiple customers can share the same infrastructure and applications with security and privacy

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7
Q

What is resource pooling in relation to cloud computing?

A

Multiple customers are serviced from the same physical resources

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8
Q

What does it mean to say cloud computing has rapid elasticity?

A

Automatically and quickly acquire and dispose of resources when needed

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9
Q

What are the six advantages of cloud computing?

A
  1. Trade capital expense (CAPEX) for operational expense (OPEX)
  2. Benefit from massive economics of scale
  3. Stop guessing capacity
  4. Increase speed and agility
  5. Stop spending money running and maintaining data centers
  6. Go global in minutes: leverage the AWS global infrastructure
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10
Q

How does the cloud solve problems related to flexibility?

A

Change resource type when needed

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11
Q

How does the cloud solve problems related to cost-effectiveness?

A

Pay as you go, for what you use

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12
Q

How does the cloud solve problems related to scalability?

A

Accommodate larger loads by making hardware stronger or adding additional nodes

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13
Q

How does the cloud solve problems related to elasticity?

A

Ability to scale out and scale in when needed

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14
Q

How does the cloud solve problems related to high-availability and fault-tolerance?

A

Build across data centers

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15
Q

How does the cloud solve problems related to agility?

A

Rapidly develop, test, and launch software applications

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16
Q

What are the 3 types of cloud computing?

A
  1. Infrastructure as a service (IaaS)
  2. Platform as a service (PaaS)
  3. Software as a service (SaaS)
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17
Q

What is Infrastructure as a service?

A

Provide building blocks for cloud IT
Provides networking, computers, data storage space
Highest level of flexibility
Easy parallel with traditional on-premises IT

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18
Q

What is Platform as a service?

A

Removes the need for your organization to manage the underlying infrastructure
Focus on the development and management of your applications

19
Q

What is Software as a service?

A

Completed product that is run and managed by the service provider

20
Q

What are the 3 pricing fundamentals of AWS?

A
  1. Compute - pay for compute time
  2. Storage - pay for data stored in the cloud
  3. Data transfer OUT of cloud - data transfer IN is free
21
Q

What is an AWS region?

A

A cluster of data centers

22
Q

How are AWS availability zones named?

A

Represented by an AWS Region code followed by a letter identifier (for example, us-east-1a).

23
Q

What 4 factors come into play when choosing an AWS region?

A
  1. Compliance with data governance and local requirements
  2. Proximity to customers: reduced latency
  3. Available services within a Region: new services and new features aren’t available in every Region
  4. Pricing varies region to region and is transparent in the service pricing page
24
Q

Can data leave a region without your explicit permission?

A

No

25
Q

How many availability zones in each region?

A

Usually 3
Min 2
Max 6

26
Q

What is an AWS availability zone?

A

A discrete data center with redundant power, networking, and connectivity

27
Q

How are AWS availability zones connected?

A

High bandwidth, ultra low latency networking

28
Q

What is an AWS point of presence?

A

Edge Location

29
Q

Should I know which services are global and which are region based?

A

Yes

30
Q

You ONLY want to manage Applications and Data. Which type of Cloud Computing model should you use?

  1. On-premises
  2. Infrastructure as a service (IaaS)
  3. Software as a service (SaaS)
  4. Platform as a service (PaaS)
A

Platform as a service

31
Q

Need card on acceptable use policy

A

yes

32
Q

What is the pricing model of Cloud Computing?

  1. Discounts over time
  2. Pay-as-you-go pricing
  3. Pay once a year
  4. Flat-rate pricing
A

Pay-as-you-go pricing

33
Q

Which Global Infrastructure identity is composed of one or more discrete data centers with redundant power, networking, and connectivity, and are used to deploy infrastructure?

  1. Edge locations
  2. Availability Zones
  3. Regions
A

Availability zones

34
Q

Which of the following is NOT one of the Five Characteristics of Cloud Computing?

  1. Rapid elasticity and scalability
  2. Multi-tenancy and resource pooling
  3. Dedicated Support Agent to help you destroy applications
  4. On-demand self service
A

Dedicated Support Agent to help you destroy applications

35
Q

Which are the 3 pricing fundamentals of the AWS Cloud?

  1. Compute, Storage, and Data transfer in the AWS Cloud
  2. Compute, Networking, and Data transfer out of the AWS Cloud
  3. Compute, Storage, and Data transfer out of the AWS Cloud
  4. Storage, Functions, and Data transfer in the AWS Cloud
A

Compute, Storage, and data transfer out of the AWS Cloud

36
Q

Which of the following options is NOT a point of consideration when choosing an AWS Region?

  1. Compliance and data governance
  2. Latency
  3. Capacity availability
  4. Pricing
A

Capacity availability

37
Q

Which of the following is NOT an advantage of Cloud Computing?

  1. Trade capital expense (CAPEX) for operational expense (OPEX)
  2. Train your employees less
  3. Go global in minutes
  4. Stop spending money running and maintaining data centers
A

Train your employees less

38
Q

AWS Regions are composed of?

  1. Two or more Edge Locations
  2. One or more discrete data centers
  3. Two or more Availability Zones
A

Two or more Availability Zones

39
Q

Which of the following services has a global scope?

  1. EC2
  2. IAM
  3. Lambda
  4. Rekognition
A

IAM

40
Q

Which of the following is the definition of Cloud Computing?

  1. Rapidly develop, test, and launch software applications
  2. Automatic and quick ability to acquire resources as you need and release resources when you no longer need them
  3. On-demand availability of computer system resources, especially data storage (cloud storage) and computing power, without direct active management by the user
  4. Change resource types when needed
A

On-demand availability of computer system resources, especially data storage (cloud storage) and computing power, without direct active management by the user

41
Q

What defines the distribution of responsibilities for security in the AWS Cloud?

  1. AWS Pricing Fundamentals
  2. The Shared Responsibility Model
  3. AWS Acceptable Use Policy
  4. The AWS Management Console
A

The Shared Responsibility Model

42
Q

A company would like to benefit from the advantages of the Public Cloud but would like to keep sensitive assets in its own infrastructure. Which deployment model should the company use?

  1. Private Cloud
  2. Public Cloud
  3. Hybrid Cloud
A

Hybrid Cloud

43
Q

What is NOT authorized to do on AWS according to the AWS Acceptable Use Policy?

  1. Building a gaming application
  2. Deploying a website
  3. Run analytics on stolen content
  4. Backup your data
A

Run analytics on stolen content

AWS Cloud Practitioner (20 decks)

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