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AWS_Cloud_Practitioner August21 > EXAM TIPS > Flashcards

EXAM TIPS Flashcards

1
Q

Advantage Of Cloud: Trade capital Expense

A

For Variable Expense

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2
Q

Advantage Of Cloud: Benefit from massive

A

economies of scale

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3
Q

Advantage Of Cloud: Stop guessing about this

A

Capacity

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4
Q

Advantage Of Cloud: Increase both of these

A

Speed and Agility

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5
Q

Advantage Of Cloud:

Stop spending money and maintaining these

A

Data Centers

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6
Q

Advantage Of Cloud:

How quickly can you go global

A

Minutes

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7
Q

Cloud Computing Type:

Infrastructure as a service

A

IAAS

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8
Q

Cloud Computing Type:

Platform as a Service

A

PAAS

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9
Q

Cloud Computing Deployment Type:

Software As A Service

A

SAAS

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10
Q

Cloud Computing Deployment Type:

AWS, Azure, GCP

A

Public Cloud

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11
Q

Cloud Computing Deployment Type:

Hybrid

A

Mixture of public and private

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12
Q

Cloud Computing Deployment Type:
Private Cloud (On Premise)
Openstack, VM Ware

A

You manage it in your datacenter

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13
Q

Physical location in the world that consists of two or more Availability Zones

A

Region

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14
Q

One or more discreet data centers, with redundant power, networking and power housed in separate facilities

A

Availability Zone

AZ

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15
Q

Endpoints for AWS used for caching content - typically for AWS CloudFront - CDN

A

Edge Locations

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16
Q

Region choice based on Data Sovereignty

A

Laws

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17
Q

Regions choice based on Latency to

A

End Users

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18
Q

Region choice based on AWS

A

Services

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19
Q

Support Package:

Basic

A

FREE

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20
Q

Support Package:

Developer

A

$29 a month and scaled based on usage

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21
Q

Support Package:

Business

A

$100 a month and scaled based on usage

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22
Q

Support Package:

Enterprise

A

$15,000 a month and scaled based on usage

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23
Q

Additional benefit of Enterprise Support Package

A

Technical Account Manager

TAM

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24
Q

Identity Access Management

A

IAM

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25
Q

IAM is Global

A

You do not specify a region when dealing with IAM

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26
Q

When you create a user group with IAM this is created.

A

GLOBALLY

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27
Q

AWS Platform Access;

Console

A

console

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28
Q

AWS Platform Access:

Programatically

A

Using command line

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29
Q

AWS Platform Access

Using Software Developers Kit

A

SDK

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30
Q

Email address you used to set up your AWS account

A

Root Account

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31
Q

What level of access does the Root Account have

A

Full administrator access

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32
Q

Who should you give your root account credentials away to?

A

No One

EVER

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33
Q

To avoid using the Root Account create

A

a User for each individual within your organization,

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34
Q

The best way to secure your root account is to use

A

multi-factor authentication

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35
Q

A place to store your users

A

Group

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36
Q

Users will inherit all permissions

A

That the group has

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37
Q

To set permissions in a group you need to apply a

A

Policy

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38
Q

Policies consist of Javascript Notation (JSON)

A

Key Value Pairs

{“name”:”A Cloud Guru”}

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39
Q

S3:

File Type

A

Object based

allows you to upload files

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40
Q

S3:

Files can be from 0 Bytes to

A

5 TB

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41
Q

S3:

Storage

A

Unlimited

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42
Q

S3:

File Storage

A

in Buckets.

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43
Q

S3:

Namespace

A

Universal

Names must be globally unique

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44
Q

S3:

Url

A

https: //.amazonaws.com/
https: //s3-eu-west-1.amazonaws.com/acloudguru

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45
Q

S3:

Operating system installation

A

Not suitable

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46
Q

S3:

Successful upload code

A

HTTP 200

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47
Q

S3:

Key

A

Name of the object

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48
Q

S3:

Value

A

Data made up of a sequence of bytes.

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49
Q

PUTS of NEW objects

A

READ after WRITE consistency: RAW

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50
Q

Overwrite of PUTS and Deletes

A

Can take time and

Eventual Consistency

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51
Q

S3: stored redundantly across multiple devices in multiple facilities and designed to sustain loss of 2 facilities concurrently

A

S3 Standard

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52
Q

S3: For data that is accessed less frequently but requires rapid access when needed

A

S3 - IA

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53
Q

S3 I-A is less expensive than S3 BUT you are charged a

A

Retrieval Fee

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54
Q

S3: Lower cost option for infrequently accessed data but do not require multiple availability zone dat resilience

A

S3 One Zone - IA

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55
Q

S3: Designed to optimize costs by automatically moving data to the most cost effective tier, without performance impact or operational overhead

A

S3 - Intelligent Tiering

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56
Q

S3: Secure, durable, low-cost storage class for data archiving with retrieval time from minutes to hours

A

S3 Glacier

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57
Q

S3: Amazon’s lowest-cost storage class where a retrieval time of 12 hours is acceptable

A

S3 Glacier Deep Archive

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58
Q

S3 Standard Availability

A

99.99%

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59
Q

S3 Standard

Durability

A

99.999999999%

11 9s

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60
Q

S3 Bucket Names: Share a common name space thus you cannot have the same bucket name as

A

Someone else

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61
Q

S3 bucket:

Viewed

A

Globally

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62
Q

S3 Bucket:

Region

A

can be in individual regions

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63
Q

S3 Bucket: replicate the contents of one bucket to another bucket automatiicly

A

Cross Region Replication

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64
Q

How quickly can you change storage classes and encryption of your objects

A

On the fly

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65
Q

S3 Bucket Access:

Applies across whole bucket

A

Bucket Policy

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66
Q

S3 Bucket Access: Applies to individual files

A

Object Policies

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67
Q

S3 Bucket Access: Applies to users and groups

A

IAM Policies to Users & Groups

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68
Q

S3 Website Hosting:

A

Static websites such as .html

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69
Q

S3 Website Hosting - Wordpress

A

Cannot be hosted on S3

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70
Q

S3 Scales:

To meet your demand

A

Automatically

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71
Q

The location where content will be cached and is separate to an AWS Region/AZ

A

Edge Location

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72
Q

Origin of all files that the CDN will distribute

A

Origin

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73
Q

Origin Type:

S3

A

Bucket

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74
Q

Origin Type:

EC2

A

Instance

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75
Q

Origin Type:

Elastic Load Balancer

A

ELB

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76
Q

Origin Type:

Route

A

53

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77
Q

Name given to the CDN that consists of a collection of Edge Locations

A

Distribution

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78
Q

Distribution used for Websites

A

Web Distribution

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79
Q

Distribution used for media streaming

A

RTMP

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80
Q

Edge locations are not just READ only

A

You can WRITE to them too.

Put an object on them

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81
Q

Objects are cached for the life of

A

Time To Live

TTL

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82
Q

Cached objects can be cleared BUT you

A

Will be charged

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83
Q

Web Service that provides resizable compute capacity in the cloud

A

Amazon Elastic Compute Cloud

EC2

84
Q

Amazon EC2 reduces the time required to obtain and boot new server instances to minutes allowing your to scale capacity

A

Up and Down as computing requirements change.

85
Q

Pricing: Allows you to pay a fixed rate by the hour (or second) with no commitment

A

On Demand

86
Q

Pricing: Provides you with a capacity reservation, an offers a significant discount on the hour charge for an instance

A

Reserved

87
Q

Reserved contract terms

A

1 Year and 3 Years

88
Q

Pricing: Enables you to bid whatever price you want for instance capacity, providing for even greater savings if you applications have flexible start and end times

A

Spot

89
Q

Pricing: Physical EC2 server dedicated for your use

A

Dedicated Hosts

90
Q

Dedicated Hosts can reduce costs by allowing you to use your existing

A

server-bound software licenses

91
Q

Spot Instances: If AWS terminates them

A

You will not be charged

92
Q

Spot Instances: If you terminate the instance yourself

A

You will be charged for any hour the instance ran,

93
Q

Virtual firewalls in the cloud

A

Security Groups

94
Q

Port: SSH

A

22

95
Q

Port: HTTP

A

80

96
Q

Port: HTTPS

A

443

97
Q

Port: RDP

A

3389

98
Q

Always design for failure by having one EC2 instance

A

In each AZ

99
Q

Much more secure and easier to manage than access key id’s and secret access keys

A

Roles

100
Q

When you apply roles to EC2 instances at any time - how quickly will these changes take place

A

Immediately

101
Q

Roles are

A

Universal

102
Q

Load Balancers:

Layer 7 and Make Intelligent Decisions

A

Application Load Balancer

103
Q

Load Balancer:

Extreme performance and static IP addresses

A

Network Load Balancer

104
Q

Load Balancer:

Test & Dev to keep costs low

A

Classic Load Balancer

105
Q

DynamoDB

A

No SQL

106
Q

Red Shift

A

OLAP

107
Q

RDS (SQL/OLTP)

A

SQL, MySQL, PostgreSQL, Oracle, Aurora, MariaDB

108
Q

Business Intelligence or Data Warehousing

A

Redshift

109
Q

To speed up performance of existing databases

A

Elasticache

Frequent Identical Queries)

110
Q

RDS: For Disaster Recovery

A

Multi-AZ

111
Q

RDS: For Performance

A

Read Replicas

112
Q

Amazon’s DNS

A

Route 53

113
Q

Route 53 is similar to IAM and S3 in that it’s

A

Global

114
Q

Route 53: Directs traffice

A

All around the world

115
Q

Route 53: Register

A

Domain Names

116
Q

Quickly deploy and manage applications in the AWS Cloud without worrying about the infrastructure that runs those applications

A

Elastic Beanstalk

117
Q

With Elastic Beanstalk you simply upload you application and

A

it automatically handles the details of capacity Provisioning, load balancing, scaling and app health

118
Q

Service that helps you model and set up your AWS resources so you can spend less time managing those resources and more time focusing on your app.

A

AWS CloudFormation

119
Q

With AWS CloudFormation you create this that describes all the AWS resources you want and it takes care of provisioning and configuration for you

A

Template

120
Q

With AWS CloudFormation you don’t need to individually create and configure AWS resources and figure out what is dependent on what.

A

Handles Dependencies

121
Q

Free Services

A

Elastic Beanstalk and CloudFront

122
Q

Resources provisioned by Elastic Beanstalk and CloudFront are

A

NOT FREE

like EC2 instances

123
Q

Limited in what it can provision and is not programmable

A

Elastic Beanstalk

124
Q

Can provision almost any AWS service and is completely programmable

A

AWS CloudFormation

125
Q

https://dl.awsstatic.com/whitepapers/aws-overview.pdf

A

Read the day before the exam

126
Q

Important Global Services

A 
IAM
Route53
CloudFront
SNS
SES
127
Q

AWS On Premise Services

A 
Snowball
Snowball Edge
Storage Gateway
CodeDeploy
Opsworks
IoT Greengrass
128
Q

Used for monitoring and performance

A

CloudWatch

129
Q

CloudWatch can monitor most of AWS as well as

A

Your apps that run on AWS

130
Q

By default CloudWatch with EC2 will monitor events

A

Every 5 minutes

131
Q

CloudWatch detailed monitoring that must be turned on

A

1 minute intervals

132
Q

You can create CloudWatch alarms with these

A

Trigger Notifications

133
Q

CloudWatch is all about

A

Performance

134
Q

Used to manage fleets of EC2 instances and VMs

A

Systems Manager

135
Q

Systems Manager: This is installed on each VM

A

Piece of software

136
Q

Systems Manager: location

A

inside AWS and on premise

137
Q

Systems Manager: command to install, patch and uninstall software

A

RUN

138
Q

Systems Manager: Integrates with this and gives you a dashboard of you entire estate.

A

CloudWatch

139
Q

Alert you automatically when a certain level of AWS spend has been reached.

A

Billing Alerts/ Billing Alarms

140
Q

S3: to make entire buckets public

A

Bucket Policies

141
Q

Compute based server that is NOT serverless but is in fact a server

A

EC2

142
Q

EC2: Connect

A

Private Key

143
Q

Allows you to provision multiple EC2 instances behind a load balancer automatically depending on demand

A

Autoscaling

144
Q

Capital expenditure where you pay up front

A

CAPEX

fixed cost

145
Q

Operational Expenditure where you pay for what you use

A

OPEX

Utility bill, - electric, gas, water

146
Q

Service used to budget or predict costs BEFORE they are incurred

A

Budgets

147
Q

Service used to explore costs AFTER they have occurred

A

AWS Cost Explorer

148
Q

Developer: General guidance

A

< 24 business hours

149
Q

Developer: System Impaired

A

< 12 business hours

150
Q

Business: General Guidance

A

< 24 hours

151
Q

Business: System Impaired

A

< 12 hours

152
Q

Business: Prod System Impaired

A

< 4 hours

153
Q

Business: Prod System Down

A

< 1 hour

154
Q

Enterprise: General Guidance

A

< 24 hours

155
Q

Enterprise: System Impaired

A

< 12 hours

156
Q

Enterprise: Prod System Impaired

A

< 4 hours

157
Q

Enterprise: Prod System Down

A

< 1 hour

158
Q

Enterprise: Business Critical system down

A

< 15 minutes

159
Q

Attached to AWS Resources

A

Key Value Pairs

160
Q

Data about Data

A

Metadata

161
Q

Tag: Inheritence

A

Sometimes

162
Q

Make it easy to group your resources using tags that are assigned to them.

A

Resource Groups

163
Q

When groups share one or more tags

A

Put them in Resource Groups

164
Q

Resource Groups by

A

Region
Name
Health Checks

165
Q

You can apply automation to resources specified to specific tags with

A

Resource Groups

166
Q

Resource groups combined with aws systems manager allow you to

A

Automate and control entire fleets of EC2 instances. with the push of a button

167
Q

Global Service that allows discovery of resources and addition of tags to them

A

Tag Editor

168
Q

The compatibility of Tag Editor is dubious for

A

New Regions

169
Q

Best Practice: Always enable this on root account

A

Multi-Factor Authentication

170
Q

Best Practice: use strong and complex one for root account

A

Password

171
Q

Best Practice: Used for billing purposes only

A

Paying account.

Do not deploy resources here,

172
Q

Linked Account: Limit

A

20

173
Q

Linked Account: Increase request

A

contact support

174
Q

Billing Alerts: When this is enabled on the paying account, the billing data for all linked accounts is

A

Included

175
Q

Billing Alerts: can be created for

A

Individual Accounts

176
Q

CloudTrail: Per AWS Account and is enabled per

A

Region

177
Q

CloudTrail can consolidate logs

A

1 Turn on CloudTrail in paying account

2 Create bucket policy that allows cross-account access

3 Turn on CloudFront in other accounts and use he bucket in the paying account

178
Q

Allows you to get volume discounts on all your accounts

A

Consolidated Billing

179
Q

Unused reserved instances for EC2 are applied

A

Across the group

180
Q

On a per account and per region basis

A

CloudTrail

181
Q

CloudTrail can be aggregated into a single bucket belonging to the

A

Paying Account

182
Q

Service to deploy environments quickly, using CloudFormation templates built by AWS Solutions Architects that are experts in a particular technology

A

AWS Quick Start

183
Q

Solution that helps users quickly set up secure, multi-account AWS environments based on AWS best practices

A

AWS Landing Zone

184
Q

Used to calculate your running costs on AWS on a per month basis

A

Simple Monthly Calculator

185
Q

Simple Monthly Calculator is NOT a

A

Comparison Tool

186
Q

Used to compare costs of running your infrastructure on premise vs AWS Cloud,.

A

AWS TCO Calculator

187
Q

AWS TCO Calculator generates these to help c level execs move to the cloud

A

Reports

188
Q

Service designed to stop hackers

A

Web Application Firewall

WAF

189
Q

Mitigation service designed to stop DDOS attacks

A

AWS Shield

190
Q

Service used for inspecting EC2 instances for vurlnerabilities

A

AWS Inspector

191
Q

Inspects your AWS account as a whole providing more than just security checks - cost optimization, Performance and Fault Tolerance

A

AWS Trusted Advisor

192
Q

Increases visibility into your user and resource activity by recording AWS Management Console actions and API calls

A

CloudWatch

193
Q

CloudWatch identifies users and accounts

A

that called AWS

194
Q

CloudWatch identifies where calls were made from via

A

Source IP Address

195
Q

CloudWatch identifies when calls

A

were made

196
Q

Used for monitoring performance

A

CloudWatch

197
Q

Used to monitor configurations of AWS Resources

A

AWS Config

198
Q

Interactive query service that allows you to query data located in S3 using standard SQL

A

Athena

199
Q

Athena compute model

A

Serverless

200
Q

Common use case for Athena

A

Analyze log data stored in S3

201
Q

Uses AI to analyze data in S3 and helps identify PII

A

Amazon Macie

202
Q

Amazon Macie can be used to analyze these for suspicious API activity

A

CloudTrail logs

203
Q

Athena includes Reports and Alerting

A

Dashboards

204
Q

Athena is great for preventing ID theft and for

A

PCI-DSS compliance

205
Q

Used to retrieve compliance reports

A

AWS Artifact

AWS_Cloud_Practitioner August21 (3 decks)

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