AWS Core Services

Question 1

Compute Service

Answer 1

Service that enables to use cloud-based virtual machines for workloads

Question 2

EC2

Answer 2

Amazon Elastic Compute Cloud

Web service that provides resizable compute capacity in the cloud

Question 3

EC2 Use Cases

Answer 3

Web application hosting
Batch processing
Web services endpoint
Dekstop in cloud

Question 4

EC2 Instance Types

Answer 4

Define processor, memory, and storage type
Cannot be changed without downtime

General Purpose
Compute, memory, storage optimized (3 diff types)
Accelerated computing (ML)

Pricing based on instance type

Question 5

Root device type EC2

Answer 5

Instance Store - If you sut it down it will go away

Elastic Block Store - it will stay

Question 6

EC2 AMI

Answer 6

Amazon Machine Image
instance including config, os, and data
Shared across multiple accounts
Create your own custom ami’s and marketplace

Question 7

EC2 Purchase Option Reserved Instance

Answer 7

Discounts if you commit to a period of time

Capacity reservation

Question 8

EC2 Reserved Instance Cost Model*

Answer 8

All Upfront - cheapest
Partial Upfront - middle
No upfront

Question 9

EC2 Savings Plan Instance*

Answer 9

supports EC2, Lambda,

Question 10

EC2 Spot Instance

Answer 10

90% discount over on-demand prices
Spot price per availability zone
If your bid is higher, then you can launch
Temrinated if not

Question 11

Dedicated Host

Answer 11

Physical Server

Software Licensing or Something

Question 12

EC2 Purchase Options Summary

Answer 12

If you have instance consistent and always needs standard or convertible reserved
If you have batch processing, leverage Spot instances
If you have an inconsistent need for instances use On Demand
Specific per-server license or compliance requirment use Dedicated Host
Leveraging lambda alongside use Savings Plan
Predictable but not steady workload use Scheduled Reserved Instance

Question 13

AWS Elastic Beanstalk

Answer 13

Automates process of deploying and scaling workloads on EC2 (PaaS)
Supports specific set of technologies
Leverage existing AWS services
Only pay for the other services you leverage
Handles, load balancing, scaling, and monitoring
Java, .Net, PHP, Node.js, Python, Ruby, Go, Docker

Question 14

Elastic Beanstalk Features

Answer 14

Monitoring
Deployment
Scaling
EC2 Customization

Question 15

Elastic Beanstalk Use Cases

Answer 15

Deploy with minimal knowledge of other services
Reduce overall maintenance needed for the application
Few customizations are required

Question 16

AWS Lambda

Answer 16

Run code without provisioning or managing servers
Only pay for compute time you consume
128m to 3008mb memory available
Integrates with AWS services
Enabled event-driven workflows
Primary service for serverless

Question 17

AWS Lambda Advantages

Answer 17

Reduced maintence requirments
Enables Fault tolerance
Scales based on demand
Pricing is based on usage

Question 18

Networking and CDS

Answer 18

Amazon Route 53
Amazon VPC
AWS Direct Connect
Amazon API Gateway
Amazon CloudFront
Elastic Load Balancing

Question 19

Amazon Virtual Private Cloud (VPC)

Answer 19

Virtual network we can define
Enables virtual network in AWS
Support public and private subnet
Connect to your data center
Other VPC's

Question 20

AWS Direct Connect

Answer 20

Data Center -> AWS

Question 21

Amazon Route 53

Answer 21

Domain Name Service, DNS
Global service (not regional)
Highly available
Enables global resource routing (send to the server on what you want, ex; if it fails route to new server)

Question 22

Elastic Load Balancing

Answer 22

Distributes traffic among multiple targets
Integrates EC2, ECS, and Lambda
Supports one or more AZ's in a region
Application Load Balancer
Network Load Balancer
Classic Load Balancer

Question 23

Scaling on EC2

Answer 23

Vertical Scaling - Scale-up instance to a larger instance w/ additional resources
Horizontal Scaling - Scale-out and add additional instances to handle the demand of the application

Question 24

Amazon CloudFront and API Gateway

Answer 24

CloudFront - CDN, enables users to get content from the server closest to them, static/dynamic content, utilizes edge locations, adv security like AWS Shield for DDoS and …

API Gateway- Fully managed API management service, directly integrates with multiple AWS services, provides monitoring & metrics on API calls, supports VPC and on-premise something…

Question 25

AWS Global Accelerator

Answer 25

Sends users traffic through AWS global network to improve internet user performance by up to 60% Uses edge locations to route traffic through AWS network, not the internet Distance between user and initial endpoint is minimized Traffic optimized using AWS network first byte latency, jitter, throughput, superior fault tolerance not relying on DNS resolution

Question 26

AWS Global Accelerator Use Cases

Answer 26

Non-HTTP Protocal (MQTT, VOIP, or UDP) Requires static IP Instant Failover

Question 27

AWS File Storage Services

Answer 27

``` S3 S3 Glacier Elastic Block Store Elastic File System Snowball Snowmobile ```

Question 28

S3

Answer 28

Store files as objects in buckets Provides different storage classes for different use cases Across multiple availability zones Enables URL access for files Offers configurable rules for data lifecycle Servce as a web soemthing

Question 29

S3 Non-archival Storage Class

Answer 29

S3 Standard - Default for requtnly accessed S3 Intelligent-tIeiring - Moves to the correct storage class S3 Standard-IA is for infrequently accessed data with the stand resilience S3 One Zone - Infrequrntly access datas that is only stored in one AZ

Question 30

S3 Intelligent Tiering

Answer 30

Auto moves files based on access | Frequent of Infrequent

Question 31

S3 Lifecycle Policies

Answer 31

Objects can transition or expire Expiration can delete objects Policies can also factor in versions of a specific object

Question 32

S3 Transfer Acceleration

Answer 32

Uses edge locations to upload faster

Question 33

S3 Glacier

Answer 33

Designed for archiving data Configurable retrieval times Send files directly through licecycle

Question 34

S3 Glacier vs S3 Glacier Deep Archive

Answer 34

designed for archival data, retrieved in hours, fee per GB retrieved S3 Glacier , 90 day mininmum, retrieved in minutes, over 5 times less expensive 180 day minimum storage, retrieved in hours, 23 times less expensive than standard

Question 35

EBS, Elastic Block Store

Answer 35

``` Connected to a single EC2 instance Enables redundancy within a zone Snapshots of data Offer encryption multiple volume types ```

Question 36

EBS Volume Types

Answer 36

General Purpose SSD - Cost effective for general workloads Provisioned IOPS SSD - High performance for low latency apps Throughput Optimized HDD - Designed for frequently accessed data Cold HDD - less frequently accessed workloads

Question 37

Elastic Filesystem

Answer 37

``` NFS File system Designed for Linux PB's of data Multiple AZ's Standard and Infrequent Access Configurable ```

Question 38

Amazon FSx for Window File Server

Answer 38

Native Windows File system | SSD for low latency

Question 39

Data Transfer with Snowball

Answer 39

``` Physically migrate petabytes to cloud Physical device delivered by AWS connect snowball to your network device returned by local carrier Loads into s3 ```

Question 40

Snow mobile

Answer 40

Exabytes worth of data shipping containers Sets up connection to network, load onto snow mobile, and load into s3