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AWS Cloud practitioner > cloud practitioner > Flashcards

cloud practitioner Flashcards

1
Q

Five ways to pay for EC2 instanes

A
  • On-Demand
  • Savings Plans
  • Reserved Instances
  • Spot Instances
  • Dedicated Hosts
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2
Q

ec2 Free tier

A

Includes 750 hours of linux and windows.t2.micro instances (t3.micro for regions without t2) each month for one year.

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3
Q

On-Demand payment model

A

No commitment, by the use instances.

  • Low cost and flexibility without upfront pay/commit
  • Apps with short-lived spiky or unpredictable work that cannot be interrupted
  • Applications being developed or tested on EC2 for first time
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4
Q

Recommend ec2 payment model for: user is is cost sensitive and requires flexibility. User doesn’t want to pay upfront or commit

A

On-demand

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5
Q

Recommend ec2 payment model for: App is short-lived and spiky or unpredictable work and must not be interrupted

A

On-demand

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6
Q

Recommend ec2 payment model for: App is being developed and tested for the first time on EC2

A

On-demand

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7
Q

Spot instance payment model

A

Request spare Ec2 for up to 90% off demand price. Recommended for

  • Applications that have flexible start and end times
  • Apps that are only feasible at very low compute prices
  • Users with urgent computing needs for large amounts of additional capacity
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8
Q

Recommend ec2 payment model for: App that has flexible start and end times

A

Spot instances

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9
Q

Recommend ec2 payment model for: Apps that are only feasible at very low compute prices

A

Spot instances

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10
Q

Recommend ec2 payment model for: Users with urgent computing needs for large amounts of additional capacity

A

Spot instances

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11
Q

Savings Plans payment model

A

Flexible pricing model that offers low prices on EC2 and fargate usage. In exchange for a commitment to a consistent amount of usage for a 1 or 3 year term. save up to 72%.

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12
Q

Reserved instances

A

Significate discount (up to 75%) compared to on-demand instance pricing. when assigned to a specific AZ they provide a capacity reservation giving you additional confidence in ability to launch instances when needed.

  • Apps with steady state usage
  • Apps that may require reserved capacity
  • Customers that can commit to using Ec2 over a 1 or 3 year term to reduce total costs
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13
Q

Recommend ec2 payment model for: Apps with steady state usage

A

Reserved Instances

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14
Q

Recommend ec2 payment model for: Apps that may require reserved capacity

A

Reserved instances

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15
Q

Recommend ec2 payment model for: Customers that can commit to using ec2 over 1 or 3 year term

A

Reserved instances and/or Savings plan.

Savings plan can only do compute or lambda but not rdb or other fancy services

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16
Q

Dedicated Hosts

A

A dedicated physical ec2 server for your use. Use existing server bound licenses, including windows server, sqlserver and suse linux enterprise server. also good for compliance.

  • Can be on-demand (hourly)
  • can be purchased as a reservation for up to 70% off the on-demand price
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17
Q

Recommend ec2 payment model for: already have server bound licenses

A

Dedicated Host

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18
Q

Recommend ec2 payment model for: customer is able to commit to 1 or 3 years of running RDS

A

Reserved Instance

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19
Q

Recommend ec2 payment model for: Customer is able to commit to 1 or 3 years of running lambda

A

Savings plan

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20
Q

5 pillars of Well Architected Framework

A

operational excellence, Security, Reliability, Performance Efficiency, Cost Optimization

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21
Q

Well Architected Framework Pillar: Operational Excellence

A

biz value

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22
Q

Well Architected Framework Pillar: Security

A

Protect information and assets

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23
Q

Well Architected Framework Pillar: Reliability

A

failure tolerance

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24
Q

Well Architected Framework Pillar: Performance

A

maximize resource to biz value

25
Q

Well Architected Framework Pillar: Cost

A

maximize cost to value

26
Q

AWS Config

A

provides conformance packs for standards

27
Q

AWS Artifact

A

self service access to reports

28
Q

Amazon GuardDuty

A

intelligent threat detection

29
Q

Define IAM

A

Identity and Access Management

30
Q

what does Identity federation do

A

allows external identity provider. through SAML providers including active directory

31
Q

identity types in IAM

A

User, group, role

32
Q

Define IAM: User

A

a single user (principal) to access AWS resources

33
Q

Define IAM: Group

A

manage permissions for a group of users

34
Q

Define IAM: Roles

A

allow a user or AWS service to assume permissions for a task

35
Q

Policies in AWS IAM

A

json document that defines permissions for an AWS IAM Identity(Principal). defines allowed resource and actions against the resource. Either customer managed or AWS managed.

36
Q

AWS Storage Gateway

A

Hybrid on/off prem storage. vm or specific hardware appliance. Integrates with S3 and EBS.

37
Q

AWS Data Sync

A

Automated data transfer service

38
Q

3 types of storage gateway

A

Tape, volume, file

39
Q

Storage Gateway: File gateway

A

cached low-latency local access.

40
Q

Storage Gateway: Tape gateway

A

tape backup to cloud

41
Q

Storage Gateway: Volume Gateway

A

cloud based iSCSI volumes to local applications

42
Q

AWS Glue

A

Managed ETL

43
Q

Amazon EMR

A

elastic map reduce using popular tools

44
Q

AWS Data Pipeline

A

Data workflow orchestration service across AWS Services.

45
Q

Amazon Athena

A

query data stored in s3

46
Q

Amazon Quicksight

A

data dashboards

47
Q

amazon cloud search

A

managed search service for custom apps

48
Q

Amazon rekognition

A

vision (image and video ) as a service. actions come from video. custom labels for business objects

49
Q

Amazon Translate

A

text translation - 54 languages, language ident, can work in batch.

50
Q

Amazon Transcribe

A

speech to text. subservice for medical. batch and single.

51
Q

Disaster Recovery Scenarios

A

Backup/Restore, Pilot, Warm Standby, Multi site

52
Q

Disaster Recovery: Define RTO

A

Recovery Time objective

53
Q

Disaster Recovery: Define RPO

A

Recovery Point Objective

54
Q

AWS’s key repository

A

AWS Secrets Manager. can autorotate creds.

55
Q

AWS shield

A

manage DDoS prevention

56
Q

Amazon Macie

A

ML data protection for S3. alerts about unusual. dashboard about how data is stored and accessed. detect PI and IP

57
Q

Amazon Inspector

A

security assessment for EC2

58
Q

aws service catalog

A

catalog of AWS services

59
Q

AWS marketplace

A

3rd party services available on AWS

AWS Cloud practitioner (2 decks)

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