AWS FUNDAMENTALS
AWS Public vs Private Services (7:04)
how many network zones are there in aws?
2:
- ‘AWS Public’ Zone
- ‘AWS Private’ Zone
and the “Public Internet” Zone
what is "public internet" zone?
what is "aws public" zone?
what is "aws private" zone?
how to access services in "aws private" zone?
how aws private services access services in "aws public" zone?
how can on-premise access "aws private" zone?
AWS Global Infrastructure (14:53)
AWS Regions vs Edge Locations
AWS Regions - Benefits
AWS Regions vs Availability Zones (AZs)
aws region code vs region name
| Region Code | Region Name |
|---|---|
| US East (N. Virginia) | us-east-1 |
| Asia Pacific (Singapore) | ap-southeast-1 |
how many data centers can be in a az?
Service Resilient
| Resilient | Example |
|---|---|
| Global Resilient | IAM, Route 53 |
| Region Resilient | VPC, RDS Multi-AZ |
| AZ Resilient | EC2, RDS Single-AZ |
AWS Default Virtual Private Cloud (VPC) (15:19)
VPC Basics
what is a vpc?
Virtual Private Cloud (VPC) is a virtual network inside AWS.
How many types of VPC are there?
There are 2 types of VPC: default VPC & custom VPC.
what is the default state of a vpc?
By default,a VPC is private and isolated
what is the default vpc?
The VPC that AWS created automatically for each region.
can we delete the default vpc?
We can delete the default VPC, and re-create in the Web Console.
what is the cidr of default vpc?
172.31.0.0/16 👉 65535 IPs 👉 16 subnets of /20
for the default vpc, how many subnets are there in each az in each region?
The default VPC has 1 subnet for each of its AZ.
They are /20 subnets - 4091 (2^12) available IPs
[x] TODO: DEMO - Delete and create default VPC
Elastic Compute Cloud (EC2) Basics (14:46)
EC2 Features
EC2 - Instance Lifecycle
EC2 - AMI
EC2 - Connecting to EC2
TODO: DEMO - Connect to an EC2 instance
[DEMO] My First EC2 Instance - PART1 (10:58)
[DEMO] My First EC2 Instance - PART2 (9:40)
Simple Storage Service (S3) Basics (15:48)
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S3 - 101
what is the resilient of s3?
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S3 - Objects
what is s3 object?
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S3 - Buckets
what is s3 bucket?
What is the structure of S3 bucket?
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S3 - Summary
what is the limit of s3 object?
What is the limit of S3 bucket?
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S3 - Pattern & Anti-pattern
what is the type of s3 store?
[DEMO] My First S3 Bucket (18:34)
TODO: DEMO - S3
CloudFormation (CFN) Basics (12:28)
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CFN - Template Format
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CFN Template - Resources
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CFN Template - Descriptions
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CFN Template - Metadata
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CFN Template - Parameters
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CFN Template - Mappings
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CFN Template - Conditions
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CFN Template - Outputs
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CFN - Stack, Logical Resource, Physical Resource
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CFN - Create/Update/Delete Stack
[DEMO] Simple Automation With CloudFormation (CFN) (15:52)
CloudWatch (CW) Basics (13:45)
CloudWatch - Metrics, CloudWatch Logs/Events
CloudWatch - Architecture
CloudWatch - Namespace
CloudWatch - Metric
what is metric?
CloudWatch - Datapoint
what is datapoint?
CloudWatch - Dimension
what is dimension?
CloudWatch - Alarm
[Demo] Simple Monitoring with Cloudwatch (15:31)
Shared Responsibility Model (6:20)
Infrastructure Stack
AWS: responsibility for security OF the cloud
CUSTOMER: responsibility for security IN the cloud
High-Availability vs Fault-Tolerance vs Disaster Recovery (17:21)
High-Availability (HA)
Fault-Tolerance (FT)
Disaster-Recovery (DR)
HA - FT - DR
ha: ha environment has a minimal service interruption.
FT: FT environment has no service interruption but a significantly higher cost.
Route53 (R53) Fundamentals (6:29)
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Route 53 - Features
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Route 53 - Register Domains
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Route 53 - Hosted Zones
[DEMO] Registering a Domain with route53 (9:49)
DNS Record Types (13:25)
DNS Record - Nameserver (NS) Record
DNS Record - A and AAAA Record
DNS Record - CNAME Record
DNS Record - MX Record
DNS Record - TXT Record
DNS Record - Time To Live (TTL)