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AWS Cloud Practitioner Services > AWS Cloud Practitioner Services > Flashcards

AWS Cloud Practitioner Services Flashcards

1
Q

Elasticity

A

Scale resources up and down when needed

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2
Q

Reliability

A

Fault tolerance and high availability

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3
Q

Agility

A

Reduced infrastructure time and more access to emerging technologies

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4
Q

Cloud Computing

A

On-demand delivery of pay-as-you-go services through a platform

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5
Q

IaaS

A

Infrastructure as a service.

- E.g. traditional data center

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6
Q

PaaS

A

Platform as a service.

E.g. deployment services configured by owner, AWS Elastic Beanstalk

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7
Q

SaaS

A

Service as a service: no maintainance

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8
Q

Public cloud

A

E.g. AWS

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9
Q

Private cloud

A

On-prem cloud

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10
Q

Hybrid cloud

A

E.g. cloud apps connected to private data center

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11
Q

Region

A
  • 1 geographic region
  • Cluster of at least 2 AZ’s
  • Multiple AZ minimizes failure
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12
Q

Availability Zone

A

At least 1 data center

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13
Q

Edge Locations

A
  • Nodes in glocal CDN
  • Used by CloudFront
  • Used by Route 53
  • Delivers content closest to users
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14
Q

CapEx

A

Capitalized Expense:

  • Upfront costs
  • Minimal in cloud
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15
Q

OpEx

A

Operational Expense:

  • Operational costs
  • Mirrors demand in cloud. Pay-as-you-go
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16
Q

AWS Cost Explorer

A
  • Explore costs
  • Numbers broken to services, tags etc.
  • Recommends cost optimization
  • Access via API
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17
Q

AWS Budgets

A
  • Uses data from AWS Cost Explorer

- Cost per service, service usage, coverage etc.

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18
Q

AWS TCO Calculator

A

Total costs to move to cloud

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19
Q

AWS Simply Monthly Calculator

A

Costs for specific services

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20
Q

AWS Resource Tags

A

Tag and explore costs

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21
Q

AWS Organizations

A
  • Organizations of accounts in master account
  • Total bill cost
  • Centralize and restrict security access
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22
Q

AWS Support

A

AWS Personal Health Advisor + AWS Trusted Advisor + SomethingElse

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23
Q

AWS Trusted Advisor

A
  • Recommends best practices

- 7 core checks

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24
Q

AWS Personal Health Dashboard

A

Alerts and remediation with AWS is experiencing events

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25
Q

AWS Basic Support

A
  • 7 core checks
  • 24/7 customer service, forums, documentation and whitepapers
  • AWS health dashboard
  • Free
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26
Q

AWS Developer Support

A
  • Business hour access to support engineers
  • 1 primary contact
  • Response time (24/12 hours)
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27
Q

AWS Business Support

A
  • Full AWS Trusted Advisor checks
  • 24/7 phone, email, chat with support engineers
  • Unlimited number of contacts
  • Response time (24/12/4/1 hours)
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28
Q

AWS Enterprise Support

A
  • Personal Technical Account Manager
  • Concierge support team
  • Response time (24/12/4/0.25 hours)
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29
Q

AWS Console

A

Web/app interface for interactions with services

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30
Q

AWS CLI

A

CL for console tasks

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31
Q

AWS SDK

A
  • Programming resources

- Supported: Java, .NET, Node.js, JavaScript, PHP, Python, Ruby, Go and C++

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32
Q

When is AWS Console beneficial?

A

Testing services

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33
Q

When is AWS CLI beneficial?

A

Automation of repeated tasks

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34
Q

When is AWS SDK beneficial?

A

Automation of tasks with custom apps

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35
Q

Compute Services

A
  1. Amazon EC2
  2. AWS Elastic Beanstalk
  3. AWS Lambda
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36
Q

EC2 instance

A

Virtual server. Types:

  • General purpose
  • Compute optimized
  • Memory optimized
  • Storage optimized
  • Accelerated computing
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37
Q

Instance storage

A
  • Non-persistent

- Attached to instance

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38
Q

EBS

A

Elastic Block Storage

  • Persistent storage
  • Not attached to instance
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39
Q

AMI

A

Amazon Machine Image

  • Template for EC2 image
  • Commercial AMI’s in AWS Marketplace
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40
Q

On-demand instance

A

Pay-by-second instance launched

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41
Q

Reserved instance

A
  • Purchase in advance

- Possible upfront for discount

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42
Q

Spot instance

A
  • Unused instance in a region for discount
  • Market price
  • Launch if bid over spot
  • Terminate if bid lower then spot. Quick notification
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43
Q

When to choose reserved instance?

A

Consistency

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44
Q

When to choose spot instance?

A

Can start and stop. Batch processing

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45
Q

When to choose on-demand instance?

A

In-consistent. Cannot stop

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46
Q

AWS Elastic Beanstalk

A
  1. Monitoring
  2. Deployment
  3. Scaling
  4. EC2 customization
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47
Q

AWS Lambda

A
  • Run code without infrastructure
  • Charged for execution time
  • Server-less architecture
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48
Q

Content and network delivery services

A
  1. Amazon VPC
  2. Amazon Direct Connect
  3. Amazon Route 53
  4. Elastic Load Balancing
  5. Amazon CloudFront
  6. Amazon API Gateway
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49
Q

Amazon VPC

A
  • Launch resources in private network
  • Can connect to other VPCs
  • Can connect to data center
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50
Q

Amazon Direct Connect

A

Direct network connection from data center to AWS

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51
Q

Amazon Route 53

A
  • DNS: map domain names to IP addresses
  • Global service
  • Highly available
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52
Q

Elastic Load Balancing

A
  • Distributes traffic among multiple targets
  • Integrates with Lambda EC2, ECS
    1. Application Load Balancer
    2. Network Load Balancer
    3. Classic Load Balancer
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53
Q

Scaling

A
  1. Vertical: larger instance types

2. Horizontal: increase instances

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54
Q

Security in CloudFront

A
  • AWS Shield for DDoS

- AWS Web App Firewall

55
Q

File storage services

A
  1. Simple Storage Service (S3)
  2. S3 Glacier
  3. EC2 file storage (EBS, EFS, FSx)
  4. AWS Snowball
  5. AWS Snowmobile
56
Q

Bucket

A

Storage unit in S3 which configures stored objects to same settings

57
Q

Storage

A

Objects in buckets

58
Q

S3 Intelligent-Tiering

A
  • Move data to correct storage class based on usage

- Same performance as S3

59
Q

S3 Standard

A
  • Default

- Frequently accessed data

60
Q

S3 Standard-IA

A
  • In-frequent accessed data

- Cheaper price

61
Q

S3 One Zone-IA

A
  • In-frequent accessed data
  • Only stored in one AZ
  • Cheapest
62
Q

S3 Transfer Acceleration

A

Bucket feature to optimize uploading using Edge Locations in CloudFront

63
Q

S3 Glacier & S3 Glacier Deep Archive

A
  • Archival data
  • 90/180 days minimum storage
  • Retrieve in minutes/hours
  • Pay per retrieval size
  • Less expensive
  • Deep Archive stored: AWS Management or programmatically
64
Q

EBS volume types

A
  1. General purpose SSD: cost-effective; general workload
  2. Provisioned IOPS SSD: high-performance; low latency
  3. Throughput Optimized HDD: frequently accessed data
  4. Cold HDD: less frequently accessed data
65
Q

AWS Snowball

A

Migrate petabytes to AWS

66
Q

AWS Snowmobile

A

Migrate exabytes to AWS

67
Q

Database services

A
  1. Relational Database Service (RDS)
  2. Amazon DynamoDB
  3. Amazon Elasticache
  4. Amazon Redshift
  5. Amazon Aurora
  6. Amazon Database Migration Service (DMS)
68
Q

RDS

A
  • PaaS
  • Relational databases
  • Deploy across multiple AZ
  • EBS: general purpose SSD and IOPS SSD
  • Supports: MySQL, PostgreSQL, MariaDB, Oracle DB, SQL Server, Amazon Aurora
69
Q

Amazon DynamoDB

A
  • NoSQL
  • Low latency at any scale
  • Data models without blob
  • Serverless apps
70
Q

Amazon Elasticache

A
  • In-memory data stores

- Memcached and Redis

71
Q

Amazon Redshift

A
  • Data warehouse service
  • Scale-able
  • Querying exabytes in S3 with Redshift Spectrum
72
Q

Amazon Aurora

A

MySQL and PostgreSQL RDB for cloud

73
Q

Amazon Athena

A

Server-less querying SQL in S3

74
Q

Amazon Database Migration

A
  • Move data from existing db to AWS
  • One-time and continuous migration
  • Pay for compute leveraged in migration
75
Q

Amazon SQS

A

Message Querying Service

  • Stored up to 14 days
  • Decoupled and fault tolerant apps
76
Q

Amazon SNS

A

Pub/sub Messaging Service

  • Decoupled apps
  • Organizes relative to topics
  • End user notifications (sms, email, push)
77
Q

AWS Step Functions

A

Orchestration of workflows

  • Server-less architecture
  • Can integrate services: compute, db, messaging, data processing, ml
78
Q

AWS CloudTrail

A

Log and monitor account activity

- Inserts audit trails in CloudWatch logs

79
Q

AWS CloudWatch

A
  • Metrics, logs and alarms for infrastructure

- Metrics visualization and custom dashboards

80
Q

AWS Config

A

Configuration history for infrastructure

- Evaluates infrastructure against rules

81
Q

AWS Systems Manager

A
  • Operational data and automation across infrastructure
  • Access servers securely with AWS credentials
  • Centralize passwords and parameters
82
Q

AWS CloudFormation

A
  • Manages dependencies between resources
  • Drift detection of infrastructure
  • Infrastructure as code through templates (json/yaml)
83
Q

AWS Organizations

A
  • Manage multiple accounts under master
  • Total billings for all accounts
  • Centralize loggings and security standards
84
Q

AWS Control Tower

A
  • Centralize users
  • Create new AWS accounts with templates
  • Operational insight dashboard
85
Q

Acceptable User Policy

A

Allowed and prohibited use

  • Prohibited: mass emails, harmful content
  • Allowed: pen-testing of some services
86
Q

Least Privilege Access

A

Users should have minimum privilege to perform tasks and no more

87
Q

AWS Shared Responsibility

A
  • AWS: security of cloud

- Customer: security in cloud

88
Q

AWS Well-architected Framework

A
  1. Operational excellence
  2. Security
  3. Reliability
  4. Performance efficiency
  5. Cost optimization
89
Q

Compliance Services

A
  1. AWS Config
  2. AWS Artifact
  3. Amazon GuardDuty
90
Q

AWS Artifact

A

Compliance reports

91
Q

Amazon GuardDuty

A

Intelligent threat detection

92
Q

Fault tolerance architecture

A
  • Enable by default: SQS, Route 53
  • Should be architected on EC2
  • Should leverage multiple AZ
93
Q

High availability services

A

On most services

94
Q

AWS Identity and Access Management

A

Control access to AWS resources

  • Manages authentication (login)
  • Manages authorization (access)
95
Q

IAM identities

A
  1. Users: single individual account
  2. Groups: permissions for group of IAM users
  3. Roles: user or service to assume permissions
96
Q

IAM identity policy

A

JSON-document

  • Services identity can access
  • Actions identity can take
97
Q

MFA

A

Multi-factor authentication

98
Q

Amazon Cognito

A
  • Authentication/authorization in web/app through AWS

- Providers: Google, Facebook, Active Directory, SALM 2.0

99
Q

On-prem Data Integration Services

A
  1. AWS Storage Gateway

2. AWS DataSync

100
Q

AWS Storage Gateway

A

Hybrid-cloud storage service

  • Tape Gateway
  • Volume Gateway
  • File Gateway
101
Q

AWS DataSync

A

Automated data transfer

102
Q

Data Processing Services

A
  1. AWS Glue
  2. AWS Elastic MapReduce (EMR)
  3. AWS Data Pipeline
103
Q

AWS Glue

A

ETL service

  • Server-less
  • Supports: RDS, DynamoDB, Redshift and S3
104
Q

AWS EMR

A

Big data cloud processing

- Supports: Spark, Flink, Hive, Hudi, Hbase, Presto

105
Q

AWS Data Pipeline

A

Data workflow orchestration across AWS services

  • ETL service
  • Supports: RDS, DynamoDB, Redshift, S3 and EMR
  • Can integrate on-prem data stores
106
Q

Data Analysis Services

A
  1. Amazon Athena
  2. Amazon Quicksight
  3. Amazon CloudSearch
107
Q

Amazon Quicksight

A

BI service enabling dashboards

108
Q

Amazon CloudSearch

A

Search service for custom apps

109
Q

AI and ML services

A
  1. Amazon Rekognition
  2. Amazon Translate
  3. Amazon Transcribe
110
Q

Amazon Rekognition

A

Computer vision service powered by ML

111
Q

Amazon Translate

A

Text translation service powered by ML

112
Q

Amazon Transcribe

A

Speech to text powered by ML

113
Q

Disaster recovery scenarios

A
  1. Backup and restore
  2. Pilot Light
  3. Warm Standby
  4. Multi Site
114
Q

Backup and restore

A
  • Backed up in S3

- Longest recovery time

115
Q

Pilot Light

A
  • Key components running in cloud

- Rest of components can be launched quickly

116
Q

Warm Standby

A
  • Scaled-down full environment

- Instances can be scaled up

117
Q

Multi Site

A
  • Full environment running in cloud

- Seamless recovery period

118
Q

Recovery Time Objective

A

Time before recovers

119
Q

Recovery Point Objective

A

Data loss (terms in time) before recovers

120
Q

Auto Scaling Group

A

Set of EC2 instances with rules for scaling and management

121
Q

AWS Secrets Manager

A

Secure way to integrate credentials, API tokens etc.

122
Q

AWS VPN

A
  1. Site-to-site VPN

2. Client VPN

123
Q

Security Groups

A

Firewall-like control of resources in VPC

124
Q

Network ACL

A

Control in-/outbound traffic for subnet in VPC

125
Q

Amazon Inspector

A

Automated security assessment for EC2 instances

  1. Network reachability assessment
  2. Host assessment
126
Q

Amazon Macie

A

Data protection powered by ML

127
Q

AWS Service Catalog

A

IT-services on AWS for an organization

128
Q

AWS Marketplace

A

Third-party software catalog

129
Q

AWS CodeCommit

A

Verison control

130
Q

AWS CodeBuild

A

CI-service

131
Q

AWS CodeDeploy

A

Deployment to services

132
Q

AWS CodePipeline

A

CD-service

133
Q

AWS CodeStar

A

Bootstrap development

AWS Cloud Practitioner Services (1 decks)

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