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AWS Cloud Practitioner Certification Classes > Technology > Flashcards

Technology Flashcards

1
Q

cloudwatch

A

Amazon CloudWatch monitors your AWS resources and the applications you run on AWS in real time

  • it collects data as logs
  • creates dashboards and graphs to visualize data
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2
Q

Cloudwatch alarms

A

alarms that monitors metrics and send notifications

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3
Q

Cloudwatch agent (or API)

A

used to monitor hybrid cloud architectures

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4
Q

cloudwatch container insights (and lambda insights)

A

they provide dashboards to summarize the performance and errors for a seleted time window.

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5
Q

CloudTrail

A
  • it is a logging service, records activities made on AWS resources

AWS CloudTrail is a service that gets enabled when the AWS account is created and is used to enable compliance and auditing of the AWS account.

  • it resembles logs of all actions performed inside the AWS environment

-

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6
Q

Amazon EC2

A

its a service that provides secure and scalable compute capacity in the AWS cloud.

  • it falls under IAAS (infrastructure as a service)
  • its not serverless
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7
Q

5 Types of instances provided by EC2

A
  • on demand instance
  • spot instance
  • reserved instances
  • dedicated instances
  • dedicated hosts
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8
Q

On Demand instances

A
  • Useful for short-term needs, unpredictable workloads.
  • No advance payment, no prior commitment
  • pay hourly rates of what you use
  • recommended for users with unpredictable worloads that can be interrupted
  • use for apps being developed for the first time
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9
Q

Spot instances

A
  • No advance payment, no prior commitment
  • they are more cheaper than ondemand
  • Useful for cost-sensitive compute workloads.
  • used for apps with flexible start and end dates
  • suited for data analysis, batch jobs, background processing and optional tasks
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10
Q

Reserved Instances

A
  • Useful for long-running workloads and predictable usage.
  • its cheaper than ondemand services
  • commitment of 1 - 3 years
  • Offer to choose from No upfront, Partial upfront, or All upfront.
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11
Q

Dedicated Instances

Ec2 instance type

A
  • Instances run on hardware dedicated to a single user.
  • Other customers can not share the hardware.
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12
Q

Dedicated Hosts

Types if EC2 instance

A
  • A whole physical server with an EC2 instance allocates to an organization
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13
Q

EBS (Elastic Block Store)

A

its a service that provides block level storage drive to store stutubborn data

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14
Q

4 types of ebs volumes

A
  • ssd (solid state drives)
  • provisioned iops ssd
  • hdd (hard disk drives)
  • cold hdd
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15
Q

ssd

Type of ebs volume

A

⮚ Useful for low-latency applications,
development, and test environments.
⮚ Supports volume size from 1 GiB to 16 TiB.
⮚ Allows 16,000 as maximum IOPS per volume.
⮚ Allows 1000 MiB/s as maximum throughput per
volume.

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16
Q

provisioned iops ssd

A

Useful for I/O-intensive database workloads and
provide sub-millisecond latency.
⮚ Supports volume size from 4 GiB to 64 TiB.
⮚ Allows 256,000 as maximum IOPS per volume.
⮚ Allows 4,000 MiB/s as maximum throughput per
volume.
⮚ The multi-Attach feature is supported for io1 and
io2

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17
Q

hdd

A

Useful for Big data and Log processing workloads.
⮚ Supports volume size from 125 GiB to 16 TiB.
⮚ Allows 500 as maximum IOPS per volume.
⮚ Allows 500 MiB/s as maximum throughput per
volume.

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18
Q

cold hdd

A

⮚ Useful for infrequently accessed data and
lowest cost workloads.
⮚ Supports volume size from 125 GiB to 16 TiB.
⮚ Allows 250 as maximum IOPS per volume.
⮚ Allows 250 MiB/s as maximum throughput per
volume.

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19
Q

s3 (simple storage service)

A

its a simple service that provide key based object storage across multiple azs in a specific region

  • its a global service
  • its a static website hosting service
  • its an object data store
  • it possesses unlimited storage
  • it requires internet access
  • it is a serverless tech
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20
Q

what are the 6 types of s3 storage classes

A
  • s3 standard
  • s3 intelligent tiering
  • s3 standard-IA
  • s3 One Zone-IA
  • s3 Glacier
  • s3 Glacier Deep Archive
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21
Q

s3 standard

A

offers frequent data access

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22
Q

s3 intelligent tiering

A

automatically transfer data to other cost-effective
access tiers.

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23
Q

s3 standard-IA

A

offers immediate and infrequent data access

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24
Q

s3 Glacier Deep Archive

A

used for long-term retention.

  • perform data retrieval in 14 hours
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25
Q

s3 One Zone-IA

A
  • infrequent data access.
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26
Q

s3 Glacier

A

is a web service with vaults that offer long-term data archiving and data backup.

  • its the cheapest s3 storage class and offers 99.999% data durability
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27
Q

3 data retrieval options in s3

A
  • expedited retrievals
  • standard retrievals
  • bulk retrievals
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28
Q

expedited retrievals

A

It retrieves data in 1-5 minutes.

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29
Q

standard retrievals

A

It retrieves data between 3-5 hours.

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30
Q

bulk retrievals

A

It retrieves data between 5-12 hours.

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31
Q

AWS Storage Gateway

A

AWS Storage Gateway is a virtual device installed as a hypervisor or VM at the onpremises data center to integrate with AWS storage services

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32
Q

Types of storage gateway

A
  • File Gateway
  • Tape Gateway
  • Volume gateway
    - Stored volumes
    - cached gateway
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33
Q

Relational Database Service

A

its a service that builds and operates relational databases in the AWS cloud

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34
Q

What are the db service that rds supports

A
  • sql server
  • postgresql
  • amazon aurora
  • mysql
  • mariadb
  • oracle
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35
Q

Dynamodb

A

Amazon DynamoDB is a serverless NoSQL database service that provides fast and predictable performance with single-digit millisecond latency

-it doesnt require a server

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36
Q

Amazon Dynamo Db Accelerator

A

its a highly available in memory cache service that provides data from DynamoDB tables.

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37
Q

Virtual Private Cloud

A

its a service that allows users to create a virtua dedicated network for resources

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38
Q

Private subnet

A

a subnet with no internet access

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39
Q

public subnet

A

a subnet with access to the internet

40
Q

VPN only subnet

A

subnet with no internet access but have access to the virtual private gateway for a VPN connection

41
Q

Route53

A

is a managed DNS (Domain Name System) service where DNS is a collection of rules and records
intended to help clients/users understand how to reach any server by its domain name

42
Q

Route 53 hosted zone

A

is a collection of records for a specified domain that can be managed together

43
Q

Public Hosted Zone

A

Determines how traffic is routed on the Internet

44
Q

Private Hosted Zone

A

Determines how traffic is routed within VPC.

45
Q

What is A, AAAA, CNAME, and Alias in terms of records supported in Route 53

A

A: hostname to IPv4
CNAME: hostname to hostname
Alias: hostname to AWS resource
AAAA: hostname to IPv6

46
Q

what is hostname

A

it is a label assigned to a device (or host) on a network.

47
Q

Cloudfront

A

is a content delivery network
(CDN) service that securely delivers any kind of data to customers worldwide with low latency, low network, and high transfer speeds.

  • users across the world can access the data.
  • It supports location based web personalization using geolocation headers
48
Q

AWS Compute Optimizer

A

It is a ml based tool that analyzes the metrics of historical optimization and makes recommendations of compute services to be used for the workload.

  • it analyzes metrics of historical utilization and makes recommendations of compute services
49
Q

AWS management console

A

is a web based ui that helps users to access and manage all the aspects of all the available AWS services. This is a management and governanace tool.

  • it is a web based UI that helps users to access and mange all the aspects of all the available AWS services.
50
Q

Route 53 Routing policies

A
51
Q

Amazon EFS

A

Amazon EFS provides simple, scalable, elastic file storage for use with compute instances on the AWS Cloud and on-premises servers

  • it is designed for shared file access and scaling to petabyte data store.
  • its a region based service
52
Q

AWS Cloudformation

A

it is a service that helps you model and set up your AWS resources so that you can spend less time managing those resources and more time focusing on your applications that run in AWS.

53
Q

AWS Elastic Beanstalk

A

It is an easy to use service for deploying and scaling web applications and services developed with java, NET, PHP, Node.js, ruby, Go, and Docker on familiar servers such as Apche, Nginx, Passenger and IIS.

  • it allows user to deploy and manage web applications in the cloud easily
54
Q

AWS Lambda@Edge

A

it is a serverless service that makes it possible to run event-triggered functions on Edge Locations within the AWS Content Delivery Network.

55
Q

Cloudfront

A

Amazon CloudFront is a web service that speeds up distribution of your static and dynamic web content, such as .html, .css, .js, and image files, to your users

56
Q

Amazon machine Image

A

It provides the information required to launch an instance, which is a virtual server in the cloud

57
Q

Amazon workspaces

A

it provides a secure managed service for virtual desktops for remote users.

58
Q

AWS snowball

A

it is a service that uses physical storage device to transfer large amounts of data between Amazon s3 and your onsite data storage location at faster-than-internet speeds

59
Q

AWS Personal Health Dashboard

A

it provides detailed information about performance and availability of AWS services which may inpact customer’s resources.

60
Q

Amazon sqs

A
  • It is a fully managed message queueing service that makes it easy to decouple and scale microservices, distributor systems, and serverless applications.
61
Q

Amazon Aurora

A

It is a fully managed MySQL and PostgreSQL compatible relational database engine.

it delivers up to five times the processing power of a traditional mysql database.

3x greater than postgresql

It is part of RDS

it replicates 2 copies of data ub each az

62
Q

AWS Elasticache

A

It is a web service that makes it easy to deploy, operates, and skill in memory data store or cache in the cloud

63
Q

AWS Config

A

AWS Config is a service that enables you to assess, audit, and evaluate the configurations of your AWS resource

64
Q

Amazon Guardduty

A

It is a threat distraction service that continuously monitor malicious activities and unauthorized behaviors to protect your AWS accounts, workloads, data stored in Amazon S3

65
Q

AWS Service Health Dashboard

A

It is a service where AWS publishes most up to the minute information on AWS services.

66
Q

How many route tables are supported per vpc

A

200

67
Q

AWS Key Management Service

A

s a service that enables you to create and manage encryption keys in the AWS cloud

  • its a fully manged AWS service
68
Q

AWS CloudHSM

A

offers secure cryptographic key storage for customers by providing managed hardware security modules in the AWS Cloud.

  • helps in management of security keys
  • its used for offloading SSL processing from existing servers
69
Q

AWS Lightsail

A

It is an inexpensive, easy-to-use, novice-friendly and interactive platform to configure a`nd launch web applications or websites quickly.

70
Q

List the 3 AWS snow family

A
  • AWS Snowcone
  • AWS Snowball
  • AWS Snowmobile
71
Q

What is AWS snow family

A

Move petabytes of data offline to and from AWS, or process data at the edge

72
Q

AWS Snowcone

A

it is suitable for data transfer of up to 14 TB.
- supports 8TB storage
- SSD supports 14 TB storage

73
Q

AWS Snowball Edge compute Optimized

A
  • more suitable for perfoorming complex processing than data transfer
  • ## data transfer of up to 42TB HDD and 7.68 TB SSD
74
Q

AWS Snowball Edge Storage Optimized

A
  • more suitable for transferrng of 60TB of data from on-premise to AWS
  • supports 100Tb storage
  • has 24 vCPUs
  • 32GiB memory of compute
75
Q

AWS snowmobile

A
  • 100 PB of data transfer
  • not suitable for in-transit data processing
76
Q

AWS Transfer Accelerator

A

It can use optimized network protocols and thge AWS edge infrastructure when uploading files to the s3 bucket.

77
Q

AWS VPC Flow logs

A

it is a feature that enables you to capture information about the Ip traffic going to and from network interfaces in your vpc

78
Q

AWS configure

A

this commands helps to set up AWS CLI installation

79
Q

AWS System Manager Parameter Store

A
  • provides secure storage and management of secrets
  • You can store data such as passwords, database strings, EC2, instance IDs and Amazon Machine Image (AMI) IDs, and license codes as parameter values
80
Q

Amazon RDS

A

it is a ditributed relational database engine

It provides Multi-AZ and Read Replicas features for high availability, disaster recovery, and scaling.

  • makes it easy to set up, operate, and scale a relational database in the cloud
81
Q

Amazon Global Accelerator

A

it is a networking service that uses AWS global network to optimize the “user to application” path

  • AWS Global Accelerator is a networking service that helps you improve the availability, performance, and security of your public applications
82
Q

Amazon s3 transfer acceleration

A

Amazon S3 Transfer Acceleration is a bucket-level feature that enables fast, easy, and secure transfers of files over long distances between your client and an S3 bucket`

83
Q

AWS Firewall manager

A

AWS Firewall Manager is a security management service that allows you to centrally configure and manage firewall rules across your accounts and applications in AWS Organizations

84
Q

Amazon QuickSight

A

it is a fully managed service that allows for insightul BI reporting with creative data delivery methods, including graphical and interactive dashboards

85
Q

5 categories where Trusted Advisor Provide insight for an AWS acct

A
  • Performance
  • Cost Optimisation
  • Security
  • Fault Tolerance
  • Service Limits
86
Q

Amazon Athena

A

Athena provides a simplified, flexible way to analyze petabytes of data where it lives

  • it depends on s3
87
Q

AWS Elasticache

A

It is a web service that make sit easy to deploy, operate, and scale an in-memory data store or cache in the cloud

88
Q

AWS well Architected tool

A

it is a too that provides advice on architecting the workload in the cloud

89
Q

AWS configservice

A

it is used to trrack changes made in resource configurations

90
Q

CloudEndure Disaster recovery

A

it is a tool that minimizes downtime and data loss by providing fast,
reliable recovery of physical, virtual, and cloud-based servers into AWS Cloud

91
Q

Elastic load Balancing

A

utomatically distributes incoming application traffic across multiple targets, such as Amazon EC2 instances, containers, IP addresses, and Lambda functions

92
Q

Application Load Balancer

A

– This is best suited for load balancing of HTTP and HTTPS traffic and provides
advanced request routing targeted at the delivery of modern application architectures, including microservices and containers

93
Q

Network Load Balancer

A

is best suited for load balancing of Transmission Control Protocol (TCP),
User Datagram Protocol (UDP), and Transport Layer Security (TLS) traffic where extreme performance is
required.

94
Q

Classic Load Balancer

A

This provides basic load balancing across multiple Amazon EC2 instances and operates at both the request level and connection level

95
Q

AWS Artifact

A

AWS Artifact is your go-to, central resource for compliance-related information that matters to you.

96
Q

AWS Device Farm

A

is an application testing service that lets you improve the quality of your web and mobile apps by testing them across an extensive range of desktop browsers and real mobile devices;

97
Q

Amazon EventBridge

A

is a serverless event bus service that enables the rapid development of eventdriven applications

AWS Cloud Practitioner Certification Classes (4 decks)

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