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AWS CSA Study > 10000 Foot Overview > Flashcards

10000 Foot Overview Flashcards

1
Q

AWS Global Infrastructure consists of…

A
  1. Regions
  2. Availability Zones
  3. Edge Locations
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2
Q

What is a Region?

A

A Region is a geographical area.

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3
Q

What is an Availability Zone?

A

An Availability Zone (AZ) is simply a data center.

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4
Q

What is an Edge Location?

A

Edge locations are CDN endpoints for CloudFront.

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5
Q

Why are AZs isolated/independent from one another?

A

E.g. in case there is a flood in one, the other won’t be affected. Low latency between each AZ.

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6
Q

VPC

A

Virtual data center

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7
Q

Route53

A

DNS Service

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8
Q

CloudFront

A

CDN - edge locations to cache files

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9
Q

Direct Connect

A

connect physical datacenter to AWS directly using a dedicated phone line

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10
Q

Use Direct Connect when…

A

…you need a very reliable internet connection for pushing lots of data to AWS or down from AWS

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11
Q

EC2

A

virtual machines in cloud

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12
Q

Elastic Beanstalk

A

deploy code to AWS, AWS provisions infrastructure

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13
Q

Lambda

A

upload code, code will respond to events

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14
Q

S3

A

Virtual disk in the cloud where you can store objects (files). Don’t use to store DBs or OSs or apps

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15
Q

Glacier

A

Archive files from S3

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16
Q

EFS (Elastic File Service)

A

Block-based storage that you can share (can install DBs, apps, etc)

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17
Q

Storage Gateway

A

Virtual machine that connects S3 to your on-premises datacenter

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18
Q

RDS

A

relational database service

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19
Q

DynamoDB

A

nonrelational database

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20
Q

RedShift

A

data warehousing

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21
Q

Elasticache

A

cache data in cloud (takes load off of database)

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22
Q

Snowball

A

move terabytes of data into cloud

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23
Q

DMS

A

migrate on-premise database to the cloud, migrate databases inside AWS to other regions or services. no down time, can convert databases

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24
Q

EMR

A

big data processing. know what it is and how to access it

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25
Q

Kinesis

A

streaming and analyzing real-time data at massive scale

26
Q

Cloud Search/Elastic Search

A

if you need to create search capabilities for website

27
Q

Data Pipeline

A

move data from one place to another

28
Q

IAM

A

sign in, authenticate, manage users and permissions

29
Q

Inspector

A

agent installed on VMs, inspects and reports on security

30
Q

Certificate Manager

A

free SSL certificate for domains

31
Q

Directory Service

A

Using Active Directory, connects active directory to AWS

32
Q

WAF

A

give application-level protection to your website

33
Q

Artifacts

A

compliance documentation in AWS console

34
Q

CloudWatch

A

monitor performance

35
Q

CloudFormation

A

document that turn infrastructure into code

36
Q

CloudTrail

A

audits AWS resources

37
Q

OpsWorks

A

automates deployments using Chef

38
Q

Config

A

monitors/audits environment, can set alerts based on compliance

39
Q

Trusted Advisor

A

automated way of scanning environment, giving security tips

40
Q

SWF

A

coordinating automated and human tasks

41
Q

API Gateway

A

door for apps to access backend data

42
Q

Elastic Transcoder

A

Changes video format to suitable devices

43
Q

CodeCommit

A

GitHub

44
Q

CodeBuild

A

compile code

45
Q

CodeDeploy

A

deploys code to EC2 instances

46
Q

CodePipeline

A

keep track of all versions of code

47
Q

Mobile Hub

A

design mobile apps

48
Q

Cognito

A

sign in w/ Identity Federation

49
Q

Device Farm

A

mobile testing

50
Q

Mobile Analytics

A

analyze mobile data

51
Q

WorkSpaces

A

have desktop in cloud

52
Q

SNS

A

task notification

53
Q

SQS

A

queue system to decouple apps

54
Q

SES

A

send/receive emails

55
Q

AWS Global Infrastructure consists of…

A

Regions, Availability Zones, Edge Locations

56
Q

What is a Region?

A

A Region is a geographical area. Each Region consists of 2 or more Availability Zones.

57
Q

What is an Availability Zone?

A

An Availability Zone (AZ) is simply a data center.

58
Q

What are Availability Zones, physically?

A

They are facilities that are close to each other but not dependent on one another. For example, one AZ in Manhattan, another in New Jersey.

59
Q

Why are AZs isolated/independent from one another?

A

E.g. in case there is a flood in one (e.g. Manhattan), the other (NJ) won’t be affected.

60
Q

T/F: There is low latency between 2 AZs in the same region.

A

True

61
Q

What is an Edge Location?

A

Edge locations are CDN endpoints for CloudFront.

62
Q

What is an example of what CDN used for?

A

To cache large media files in the cloud. Example: if I am a user in NY and if I want to download a video hosted in Australia, the first time, the video has to travel to the edge location in NY prior to downloading. Next time, the video would be cached at the NY edge location.

AWS CSA Study (43 decks)

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