Day1 Flashcards

1
Q

Pillar of cloud computing

A

Operational excellence -run and monitor system
Perform operations as code, limit
human error
Small, frequent, reversible change
Anticipate failure
Refine operation procedures
Security

Implement strong identity foundation
   Enable traceability 
  Automate security best practices 
Protect data in transit and at rest   Keep people away from data   Anticipate security failure and recovery          procedures Reliability - mitigate and recover from disruptions     Monitor KPI    Test recovery procedures    Scale horizontally    Stop guessing     Manage change via automation

Performance efficiency - use resources effectively
Go global in minutes
Utilize serverless architecture
Experiment often
Cost optimization
Implement cloud finance management
Adopt a consumption model
Measure overall efficiency
Stop spending money on heavy lifting
Analyze and attribute expenditure
Sustainability

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2
Q

Cloud computing

A

Pay as u go including compute (service), storage ,database and network

Allow consumers to trade capital expense for operation expense

Increase business speed, agility and availability

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3
Q

Customer responsibility

A

Secure data
Configuration of virtual infrastructure and systems
Configuration of managed services or 3rd party software

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4
Q

Benefits of cloud

A

Agility - increase agility of business
Pay as you go - trade capital expense for operating expense
Economy of scale- benefits from massive economies of scale
Global reach - go global in minutes
Security- shared responsibility model
Reliability-performs how you need it
Availability- accessible when needed
Scalability- Grows with demand
Elasticity - quickly add/remove resources

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5
Q

AWS global infrastructure

A

Regions -34
Availability zones - data center-108
Edge locations - a site used to cache copies of data for faster delivery to end users. Mostly used for cloud front services

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6
Q

5 tenets of aws architecture

A

High availability - multiple regions and availability zone
Scalability - vertical(scaling up - update resources) &horizontal scaling out
Elasticity - automatic add resources
Fault tolerance -failover, no single point failure
High Durability - ability to recover from disaster
RTO max time afford to be offline
RPO max data that can be lost

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7
Q

Tools to manage aws resources

A

Manage console
Software development kits
Command line interface

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8
Q

AWS acct

A

12 digits
AWS support case
Give other user access to you resources
Not root user

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9
Q

Access key

A

Access Key id
Secret access key
Same permission as the user they are attached to
Required to have programmatic access to AWS resource outside of the console
Can be deactivate and regenerate new ones for a user on demand

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10
Q

Main services -ec2 and lambda

A

EC2

AWS compute service to launch VM
Mason machine images ??are templates for creating EC2
Type:
General purpose
Compute optimized
Memory optimized
Accelerated optimized for ML
Storage optimized

Tenancy:

Shared- multiple AWS acts
Dedicated instance - multiple VMs on one host
Dedicated host-  own physical server

Models:
On demand - pay as I go, hourly rate

Reserved instance - best for application having steady usage, can be standard or convertible, cheaper than pay as u go. Can pay upfront, partial or no upfront.
Can be shared between accounts and can be sold

Spot instances- can be interrupted , AWS can take it back

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11
Q

Auto scaling and load balancer

A

Auto scaling group- can automatically add or remove instances

Elb - application load balancer and network load balancer

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12
Q

VM and containers

A

VM utilize software to replicate using an actual server- Amazon light sail

Containers have everything an application needs to run on a server
ECS - support dockercontainers
ECS fargate- more hands-off container management service
Elastic kubernetes services- more hands-on container management service that utilize kubernetes

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13
Q

Serverless

A

No dedicated server
AWS lambda is the primary serverless compute model
AWS elastic beanstalk is a fully managed service to allow you to deploy serverless web application, based off of cloud formation template

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14
Q

Storage

A

EBS- block storage, compatible with EC2

EFS - file storage, multiple users need to access same drive folder

s3 -objects storage, offers virtually unlimited amounts of storage

AWS snow family- used to migrate data in or out of AWS cloud

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15
Q

S3 storage class

A

Standard- 99.99%, 11 9’s durability, replicated across at least three zones
S3 intelligent tiering - use ML to move objects to most appropriate storage class
S3 standard IA( infrequent access) - best if objects are accessed less than once a month, cheaper than standard but fast retrieval
S3 one zone IA- same as standard IA in one zone
S3 glacier - long term storage ideal for archives. Very cheap but data retrieval takes minutes to hours
S3 Glacier deep archive- same as glacier but cheaper and slower

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16
Q

AWS snow family

A

Physical device to move data in and out of AWS cloud
AWS snowcone - 8 tb for HDD, 14tb for SSD
AWS snowball-
edge optimized-80tb HDD
Compute optimized-28TB ssd
AWS snowmobile
Semi truck of storage
100pb or more

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17
Q

Elastic file system

A

Mount on ec2 or lambda
Options:
Standard
Standard IA
One zone
One zone IA

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18
Q

EBS- elastic block storage

A

Most useful for EC2
Can be attached to multiple instances but only one at a time
Options:
SSD based- general purpose and provisioned iops
HDD based - throughput optimized and cold storage

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19
Q

AWS database

A

Relational - rds
Amazon aurora- fully managed RDBS service
DynamoDB- non-sql db, extremely fast, guaranteed return in seconds
DocumentDB - non-sql primarily used for mongoDB

Redshift- data warehouse solution, similar to sql but run extremely large and complex query, for online analytical processing

Elasticache- baes off memcached and redis, in-memory data storage

Data migration service-

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20
Q

AWS networking

A

Security groups -
work at instance level
Implicitly deny all traffic
Work off of allow rule only( stateful)

NACL - network access control list
Work at subnet level
Virtual fire wall at the network level
Use allow and deny rules( stateless)

Deny rule overwrite allow rule

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21
Q

VPN and direct connect

A

VPN- (virtual private network) On- premise version of VPC
Can be established from on-premise resource to AWS
AWS direct connect- direct physical connection to AWS so you never touches public internet

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22
Q

AWS security

A

7 layers
Data
Application - app updated without vulnerability
Compute - controlled access to VM
Network
Perimeter - ddos
Identity and access
Physical

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23
Q

Encryption

A

Intransit- ssl/tls
At rest- s3 SSE, rds db

AES-256 most secure

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24
Q

AWS inspector

A

Run security benchmark against EC2

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25
AWS shield
Used to prevent ddos attack Inherently used with route53 and cloud front Standard version is free Advanced is $3000/month
26
AWS guard duty
Threat detection service that continuously monior accounts for malicious activity Use machine learning to analyze cloud trail, dns and vpc flow logs
27
AWS vpn
Site to site vpn - on- premise network to vpc Client vpn - end user to AWS or on- premise network
28
AWS web application firewall(waf)
Application level firewall that you can write rules to allow or deny traffic to your AWS resources Attaches to either cloud front or appl load balancer Protect against 10 most dangerous attacks including sql injection and cross site scripting
29
AWS key management
Have complex rotating keys Use envelope encryption Root key encryption data key Data key encryption data
30
AWS user and identity management
Key concepts- organizational standards, least privs, MFA Manage user and permission based on JSON doc 3 types of IAM identities a. Users, who login to console and need programmatic access b. Groups - groups of user C. Roles - used to grant other AWS services permission to do specific API actions
31
key components of IAM policy
Statement ID(Sid) Effect - policy allow or deny Action - which action policy will allow or deny Principals - account, user or role Resource- the resource to which the actions applies Condition - circumstances under which the policy is enacted
32
3rd party identity providers
Amazon cognitive is the service handles these, user pool is a directory of users Identity pool let u give temporary credentials to a 3rd party verifies user to access AWS services
33
Root user
Email/ password used to login Have access to everything Should be secured withMFA and extremely limited access Ie Change acct setting Restore AWS acct Cancel/ change subscription
34
Queuing
Amazon simple queuing service-SQS; not industrial stand and. Amazon mo use industrial standard protocol
35
Publish/Subscribe
Notifications of events Amazon simple notification service(SNS) SNS flow User subscribe to a topic SNS send notification to that topic Msg is filtered and email to user
36
Streaming
Utilizing SNS and SQS Amazon lines is is the primary streaming service to handle analyzing real time incoming events
37
API gateway
API can be thought of as the middleman that sits between your application and your backend system Amazon API gateway handles APIs in your cloud env and allow you format requests and response
38
Amazon EventBridge
Used with cloud watch, which is a service that monitors how systems are performing EventBridge process event and can be used to trigger action Primarily used to monitor EV2 Decoupling application components, reduce architecture complexity
39
Containers
Amazon ECR Amazon ECS - dockercimage EKS - kubernetes service Fargate
40
AWS organization
Is a service allow you create new AWS account ties to business and manage billing, access, compliance, security and resources Root(master) acct sits at the top of organization Organizational units are groups of AWS accts Service control policies act as guardrail, setting boundaries on what your acts can do SCP inherent from top
41
Compliance
AWS artifact for security and compliance report
42
AWS config
Used to manage changes in AWS account Region specific Keep track of all changes to resources Used for security analysis by detailing historical information and changes
43
Cloud formation
A service to allow you to make templates to specify how you want architecture deployed Template can be reused Eliminates user error
44
Tagging
Identifying resources with key value pair Better organize resource and apply permissions
45
AWS license manager
Allow to manage license
46
Logging
CloudWatch- what is happening Logs Metrics EventBridge Alarm - ok, alarm, insufficient data Dashboards
47
Cloud trail
Who did it Monitor api call Where IP When Who What- region, resource and action Stored inS3 and analyzed with Amazon arhena( serverless sql)
48
Pricing/billing
TCO Aws pricing calculator AWS budgets-cost, usage, reservation budgets AWS cost and usage reports AWS cost explorer- visualize, monthly, daily level Cost allocation tags- user defined or AWS generated AWS consolidated billing- multiple accts under one bill
49
Support plan
Basic - free, support for billing, 7 trusted advisor check Developer - 29/month, email support for tech issue, 7 trusted advisor check Business- 100/month 24*7 all trusted advisor check Enterprise- 15000/month
50
AWS trusted advisor
Cost optimization Performance Security Fault tolerance Service limit
51
AWS marketplace
AMIs AWS cloud formation template Sass offering Web ACL AWS waf rules
52
Service health dashboard
Show all ec2 instances
53
Personal health service dashboard
Your specific env
54
Terms of abuse
AWS trust and safety team
55
AWS partner network
Global partner of AWS
56
AWS trusted advisor
Cost optimization Security Fault tolerance Performance Service limits
57
AWS cost explorer
View and analyze cost and usage using main graph
58
AWS budget
Set custom budget, alert customer when the cost and usage exceed budgeted amount Or receive alert when utilization rate drops below the threshold u define
59
AWS inspector
Automated security assessment for exposure, vulnerability and deviation from best practice
60
Server bound license
License is per core and per VM Dedicated host should be used if there is server bound requirement On demand instance, dedicated instance and reserved instance and on-demand instance can’t be used for server bound license
61
Cost allocation tag
Categorize and track your AWS cost
62
Instance cost
All upfront standard reserved instance for long term is most cost effective option You can change the sizing of instance and also you can resell the instance
63
Amazon cloudwatch billing alarm(exceed only)
The alarm triggers when your account billing exceeds the threshold you specify. It triggers only when the current billing exceeds the threshold. It doesn't use projections based on your usage so far in the month. If utilization drops below threadshold, can’t set alarm
64
Standard reserved instance vs convertible reserved instance
Both offer discount off on-demand Can change availability zone But only convertible one can change os, instance family and tenancy, Also benefit from price reduction
65
Cheapest AWS api support
Business + above Basic and developer plan do not offer the option
66
Spot instance
Can offer 90% dis count
67
Track cost at detailed level
Cost allocation tags
68
Amazon aurora backtrack
Feature of aurora to easily undo mistake on db It is to backtrack the db to a time before the destructive action
69
Amazon Athena
Amazon Athena is a serverless interactive query service that allows users to analyze data in Amazon Simple Storage Service (S3) using standard SQL
70
Amazon quicksight
Amazon QuickSight is a cloud-based business intelligence (BI) tool that helps users analyze data and gain insights: Data sources: QuickSight can connect to many different data sources, including AWS data, third-party data, spreadsheets, and more.
71
Consolidate billing
Multiple AWS accounts under AWS organization Or Multiple aispl - Amazon internet service pvt. ltd(AISPL) Not both
72
Business perspective AWS CAF
Strategy management Product management Business insights Portfolio management Strategic partnership Data science Innovation management Data monetization
73
Governance perspective of AWS CAF
Establishing policy, controls and processes to ensure compliance, security and cost optimization
74
People perspective of AWS CAF
Organization has the necessary skills and resource and organizational structure to support cloud adoption
75
Operation perspective of AWS CAF
Ensure cloud service is delivered at a level agreed upon business stakeholders
76
Connect on-premise vpn and AWS vpc
Virtual private gateway(vpn, normally 2 tunnels) Amazon route 53
77
NAT gateway
Enable ec2 in a private subnet to connect to the internet or other AWS service but prevent the internet from initiating a connection with those instance
78
Egress only internet gateway
Like NAT gateway but only for IPv6 traffic Allow outbound communication over IPv6 to internet, prevent traffic from internet to instance
79
VPc peering
Connect between two VPCs
80
Edge location
A site that cloudfront use to cache copies of content for faster delivery
81
Availability zone
Made up of one or more discrete data center, each with redundant power, networking and connectivity
82
Platform perspective
Enterprise grade, scalable, cloud native, update current workload
83
Amazon elastic cache
Service to deploy and run memcached and redis cache server
84
AWS regional service
AWS batch Amazon EFS
85
AWS global service
IAM STS- secure token service Route53 Cloudfront WAF
86
AWS zonal service
EC2 EBS
87
Concierge support
Manage billing and account inquiry Available for enterprise support only
88
AWS partners network
Consulting partner help customer design, architect, migrate or build new apps on AWS Technology partners provide software solutions hosted on or integrated with AWS
89
AWS infrastructure event management
Help plan large scale event such as product or application launch
90
S3
Designed for 11 9s durability, it has versioning feature
91
EFS
Durable, high throughput file system
92
AWS storage gateway
Hybrid cloud storage service Connect on premise software appliance with cloud based storage
93
AWS certificate manager
Manage and deploy ssl and tls cert
94
Acces AWS service through AWS cli
Need access key AWS access key I’d and AWS secret access key are long term credentials to make programmatic calls to AWS service via cli
95
AWS security hub
Aggregate security findings from various AWS service and third party tools and present in a single dashboard
96
Amazon kinesis
Real time streaming data processing for big data use cases
97
CloudWatch
Repository of metrics and logs
98
AWS cloud trail
Audit service records all api calls made in AWS accounts
99
AWS config
Repository of compliance rules
100
AWS inspector
Automatic security assessment service
101
AWS IoT green grass
Software allow u run local computer, messaging, data cache, sync and ml inference on connected device in a secure way Seamlessly extends AWS to edge services so they can act locally on the data they generate
102
AWS code deploy
Automate deployment to any instance including ec2 and on premise instance
103
AWS system manager
Managing both AWS server and on premise data center through single interface.
104
AWS snowball
Petabyte scale data migration solution to transfer large amount of data in and out of aws
105
Amazon app stream 2
Fully managed app streaming device u can use to centrally manage your desktop applications
106
AWS elastic disaster recovery
Set up AWS drs securely replicate data from source server to a staging area subnet implementation can be tested non disruptively
107
AWS migration hub
Service to Monitor the state of migration
108
AWS IAM access analyzer
Identify resources in organizations and accounts shared with external entity Validate IAM policy Generate IAM policies based on AWS cloudtrail
109
AWS proton
Deployment workflow tool
110
AWS license manager
Allow manage software license from different vendors
111
AWS system manager parameter store
Centralize configuration data of their apps
112
Route53 traffic flow
Routing types Latency based routing Geo DNS Geoproximity Weighted round robin
113
AWS light sail
Easy to use cloud platform ( virtual private server) that offers everything to build website or app
114
Fully managed service-
Aurora db Docunentdb DynamoDB
115
Elastic load balancer includes
Application load balancer Network load balancer Gateway load balancer
116
Application load balancer
Path based routing Host based ruoiting
117
Elastic network interface
Logic network component in a vpc represents virtual network card
118
How to launch rds
AWS management console AWS cli AWS sdk AWS cloud formation
119
AWS Marcie
Security service that uses machine learning to discover, classify and protect sensitive data
120
Standard reserved instance vs convertible deserved instance
Standard can't change istane family and size Convertible can charge ist ave family and charge the attribute of the rl as long as equal or greater value
121
Business vs enterprise support
Business support include api support Enterprise support include conking support and architecture review
122
Business support SLA /developer support/enterprise support
All plans(developer/business/enterprise)-General guidance <24hours system impaired<12 hours Business support — Provide 1 hour response time support if production goes down ; < 4 hours if production,system impaired - enterprise Support —- same as business support, but for business critical system down <30 mins for enterprise on ramp; For enterprise support on less than 15 Mins
123
Spot instance
Pricing construct based on supply& demand
124
Instance pricing
Standard rl provides more savings than convertible RI all upfront option provide largest discount All upfront lost less than partial upfront partial upfront cost legs than no upfront;
125
Aws charge
Data transfer between two regions All elastic IPs and attaching them to running instance VPs are free Data transfer from on premise data center TO S3 is free Aws cloud formation is free
126
6 pillars of AWS well architectural frame work
Security Reliability Performance efficiemy Operation excellence Cost oprimination Sustainability
127
Amazon Ami means machine imaging
Windows server and SQL server can have standard AMi so no need to purchase separate SQL server license Ec2 instance can be pay as you go
128
Amazon RDS cost more than ec2
Rds is managed by amazon
129
Aws cost explorer
View data upto 13 months, forecast how much you've likely to spend for next 3 months Provide reserved instance(RI)purchase recommendation based on your historic usage data
130
IAM groups
There s a limit to how many groups you can have and also a limit to how many groups a user can be in
131
Allowed security assessment
ECZ instance NAT gateway Elastic load baleen RDS Cloud front Auto API gateway Lambda and lambda edge Light sail resource Elastic beanstalk environment
132
IAM policy simulator
Test and trouble shoot IAM and resource-based policy
133
Amazon cognito identity pool
Provide temporary laws credentials for guest user Amazon cognito use pool is a use directory in Amazon cognito it can'D enable access to un authenticated user
134
Security tools
Amazon inspector - ceutomatically analyzing application security vulnerabilities Amaron guard duty - continuously monitor AWS a counts and workloads and alert unauthorized calls Security hub- aggregate all se curity alerts Amazon detective - analyze. Investigate cand identify the root cause of potential security issue
135
Gateway load balancer operate at IP layer
Used for third party virtual appliance
136
AWS glue
Preparing moving integrating data from difference source Visually creat, run and monitor ETL workflow
137
Cross origin resource sharing
Client app have one domain interact with resources in a different domain
138
Batchwriteitem api
DynamoDB api
139
AWS transfer family
Fully managed service allow transfer files u losing ftp, sftps and https
140
Amazon SageMaker
A service provides everything developer and data scientists with ability to build and train and deploy machine learning in v models
141
AWS backup
Centralize and automate backup of data across AWS services and on premise environments
142
AWS x-ray
Helps developer analyze and debug production , distributed application from simple three tier to complex microservices app
143
Amazon emr
Amazon EMR (previously called Amazon Elastic MapReduce) is a managed cluster platform that simplifies running big data frameworks, such as Apache Hadoop and Apache Spark , on AWS to process and analyze vast amounts of data.
144
Amazon quick sight Q
Allow business user to ask simple question about their data
145
Amazon Athena
Analyze petabytes of data using SQL and save query results to a file on Amazon S3
146
AWS snowmobile
Primarily use to migrate tens of petabytes to exabyte in batched to cloud Up to 100 pb
147
AWS snowcone
Data transport solution, Storage is only 8tb
148
Snowball edge
In/out cloud, petabyte data transfer
149
AWS transit gateway
Connect vpc and on premise network
150
Are billing board
High-level overview of your AWS usage and cost, setup consolidated billing and payment
151
Build data lake use S3
Cost - egress data to the interne t only pay data transfer out of 53 Setup S3 lifecycle policy --,
152
Aws saving plain
Compute saving plans -ec2 and lambda EC2 instance savings plan Amazon Sage maker saving plan
153
Instance cost
On-demand and dedicated instance types are more expensive then reserved instance
154
Amazon chime
High quality communication service that transform online meetings with an easy to use upp that works seamlessly across youn devices
155
Amazon connect
Easy to use omnichannel cloud contact center that helps company provide superior customer service across voice chat and tasks
156
What's monthly game day
Performing monthly game day allows you to test your end for different failures scenarios so you can plan Ont ways to remediate them
157
Amazon cognito
Allow you add user sign-up sign-in and access control to your web and mobile apps quickly and easily
158
Security group
Accept ip address, IP address range, security group ID, as source ordestination of inbound or outbound rules
159
Amazon IQ
Enable estomer to quickly find, engage and pay AWS certified third party expects for on demand project work
160
Amazon pinpoint
AUS digital use engagement service that enables AWS customers to effectively communicate with their end users and measure user engagement across multiple channels including email, text messaging and Mobile push notifications
161
S3 glacier vault lock
Protect objects from accidental deletion yon still can't create various versions of the objects
162
Amazon EFS (elastic file system)
Provides a simple, scalable, fully managed NFS file system for both AWS cloud service and on-premises resources. Ec2 instance can Access you file system across AZs and regions and VPCs
163
EBS backup
a. Create point-in-time backup through EBS snapshot ( snapshot is incremental) b. Store backup in 53 durably
164
EBS backup
a. Create point-in-time backup through EBS snapshot ( snapshot is incremental) b. Store backup in 53 durably
165
EKS
Kubernetes solution of ads. Need to manually provision the infrastructure
166
ELB health check
Elb Periodally sends request to its registered targets to test their status
167
AWS Sumerian
A service that lets you create and run 3D, AR. VR applications
168
AWS Sumerian
A service that lets you create and run 3D, AR. VR applications
169
Lex Amazon
A powerful artificial intelligence service enabling developers to build conversationinterfacesal application
170
Lex Amazon
A powerful artificial intelligence service enabling developers to build conversationinterfacesal application
171
Amazon personalize
Provide personalized recommendations for users based on their preferences and behavior
172
Amazon personalize
Provide personalized recommendations for users based on their preferences and behavior
173
Amazon translate
Translating text between language
174
Amazon translate
Translating text between language
175
Amazon Polly
Convert text into lifelike speech
176
Amazon Polly
Convert text into lifelike speech
177
AWS step function
Provide serveless orchestrated functions for modern applications.
178
AWS step function
Provide serveless orchestrated functions for modern applications.
179
Ec2 instance user data
It's a customer script that you prepare if your want your instance to be initialized every time it's launched
180
Ec2 instance user data
It's a customer script that you prepare if your want your instance to be initialized every time it's launched
181
EBS disk.
SSD - small random.- General purpose SSD and provisioned lOPS SSD Hdr-large. Sequential - include throughput-optimized and cold had
182
EBS disk.
SSD - small random.- General purpose SSD and provisioned lOPS SSD Hdr-large. Sequential - include throughput-optimized and cold had
183
Was cloud shell
A command line interface to manage aws service
184
Was cloud shell
A command line interface to manage aws service
185
ECS service connect
Simplifies and senses communication between service within AWS
186
ECS service connect
Simplifies and senses communication between service within AWS
187
Storing and orchestrating docker container
. Amazon ecs. Elastic container service Amazon ecr— elastic container registry
188
Storing and orchestrating docker container
. Amazon ecs. Elastic container service Amazon ecr— elastic container registry