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Cloud Practitioner > Foundations of Cloud Computing > Flashcards

Foundations of Cloud Computing Flashcards

1
Q

There are 3 common cloud computing models

A

IaaS (Infrastructure as a Service)

SaaS (Software as a Service)

PaaS (Platform as a Service)

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2
Q

Infrastructure as a Service ( IaaS )

A

-Building Blocks
Fundamental building blocks that can be rented.

-Web Hosting
Monthly subscription to have a hosting company serve your website

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3
Q

Software as a Service ( SaaS )

A

-Complete Application
Using a complete application, on demand, that someone offers to users

-Email provider
Your personal email that you access through a web browser is a SaaS

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4
Q

Platform as a Service ( PaaS )

A

-Used by Developers
Develop software using web-based tools without worrying about the underlying infrastructure

-Storefront Website
Tools provided to build a storefront application that runs on another company’s server

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5
Q

There are 3 common cloud deployment models

A

Private Cloud

Public Cloud

Hybrid Cloud

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6
Q

Private Cloud

A
  • Also called “on-premises”
  • Exists in your internal data center
  • Doesn’t offer the advantages of cloud computing
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7
Q

Public Cloud

A
  • Offered by AWS
  • You aren’t responsible for the physical hardware
  • Provides all the advantages of cloud computing
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8
Q

Hybrid Cloud

A
  • Combination of Public and Private cloud
  • Same architecture for a hybrid solution
  • Highly sensitive data stored locally
  • Web application runs on AWS infrastructure
  • AWS provides tools so they talk to each other
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9
Q

Regions

A

Region is a physical location

AWS logically groups its Regions to geographic locations

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10
Q

Regions Characteristics

A

Fully independent and isolated

Resource and service specific

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11
Q

Availability Zones

A

Availability Zones (AZs) consist of one or more physically separated data centers, each with redundant power, networking, and connectivity, housed in separate facilities

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12
Q

Availability Zones Characteristics

A
  • Physically separated and use different power grids
  • Connected through low-latency links
  • Fault tolerant
  • Allows for high availability
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13
Q

Edge Location

A

Edge locations cache content for fast delivery to your users

Reduce latency and speed up delivery of applications

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14
Q

AWS Management Console

A

Allows you to access your AWS account and manage applications running in your account from a web browser

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15
Q

Software Development Kits (SDKs)

A

SDKs allow you to access AWS services from popular programming languages like Java, Python, C#, and many more

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16
Q

True or False? As a security best practice, the AWS account root user should be protected by multi-factor authentication (MFA).

False

True

A

True

17
Q

Which type of expense includes funds used to run day-to-day operations?

Equipment expenditures

Operating expenses (OpEx)

Computer and software expenditures

Capital expenditures (CapEx)

A

Operating expenses (OpEx)

Operating expenses are funds used to run day-to-day operations.

18
Q

Which cloud computing model means you are using a complete application or software suite hosted on someone else’s servers?

Platform as a Service (PaaS)

Software as a Service (SaaS)

Infrastructure as a Service (IaaS)

Instance as a Service (IaaS)

A

Software as a Service (SaaS)

SaaS provides you access to full applications running on someone else’s servers.

19
Q

Which of the following are attributes of multiple Availability Zones in a given Region?

Choose 2

They contain exactly 1 data center.

They are connected to each other through low-latency links.

They are physically grouped in a single facility to achieve high availability.

They are fault tolerant.

A
  • They are connected to each other through low-latency links.
  • They are fault tolerant.

AZs within a single Region are isolated but connected to each other through low-latency links.

If 1 AZ goes out of service, the other AZs shouldn’t be impacted.

20
Q

Which type of expense includes upfront purchases toward fixed assets?

Capital expenditures (CapEx)

Research and development expenditures

Operating expenses (OpEx)

Marketing expenditures

A

Capital expenditures (CapEx)

Capital expenditures are upfront purchases toward fixed assets.

21
Q

Which of the following contains 1 or more physically separated data centers?

Region

Availability Zone

Region cache

Edge location

A

Availability Zone

22
Q

Which of the 6 advantages of cloud computing can often allow you to achieve a lower cost than you would get if you built your own infrastructure?

You’re able to stop spending money running and maintaining data centers.

Benefit from massive economies of scale.

Trade capital expense for variable expense.

Increase speed and agility.

Stop guessing capacity.

All of these

A

All of these

23
Q

Which of the following are benefits provided by cloud computing?

Choose 2

It uses a locally installed management console.

It uses fixed-rate pricing for available services.

It offers easy access to servers, storage, and other services over the internet.

It allows on-demand spinning up of needed resources (such as virtual machines).

A
  • It offers easy access to servers, storage, and other services over the internet.
  • It allows on-demand spinning up of needed resources (such as virtual machines).

Cloud computing provides access to manage resources using a web browser over the internet.

Cloud computing will allow you to control the services and features you need to avoid idle resources.

24
Q

What does the concept of durability mean in a cloud computing environment?

Durability helps to avoid a loss of service.

Durability allows you to provision only the resources you need.

Durability helps you to innovate faster.

Durability offers long-term data protection.

A

Durability offers long-term data protection.

In cloud computing, durability means your data will be kept free of corruption.

25
Q

Which of the following are characteristics of cloud computing?

Choose 3

Cloud charges are capital expenditures.

Services are delivered via the internet.

On-demand delivery

Pay-as-you-go pricing

A
  • Services are delivered via the internet.
  • On-demand delivery
  • Pay-as-you-go pricing

Cloud computing services are offered via the internet and managed through a web browser.

With cloud computing, you are able to enable and disable services to meet your immediate needs.

Cloud computing allows you to pay only for services you are currently using.

26
Q

Which benefit of cloud computing helps you innovate and build faster?

Elasticity

High availability

Scalability

Agility

A

Agility

The cloud gives you quick access to resources and services that help you build and deploy your applications faster.

27
Q

Which of the following is a best practice for securing access to your AWS account?

3-Factor Authentication (3FA)

Configuring the AWS CLI on your local machine

Multi-Factor Authentication (MFA)

Deleting your root user

A

Multi-Factor Authentication (MFA)

28
Q

Which of the following is a true statement about edge locations?

Fewer edge locations are required than AWS Regions and Availability Zones.

Edge locations are designed to improve response times by increasing latency.

Edge locations can cache data for your users.

Edge locations can run your main infrastructure, like EC2 instances, as well as cache data.

A

Edge locations can cache data for your users.

Cloud Practitioner (10 decks)

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