Module 1: AWS Cloud Concepts / Infrastructure, VPC, and Security Groups Virtual AWSome Day: - Step-by-step introduction to the core AWS services for compute, storage, database, and networking. - ideal for IT managers, system engineers, system administrators, and architects who are eager to learn more about cloud computing.

1. Cloud Concepts

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Introduction to the AWS Cloud
Cloud Computing
 On-demand delivery of IT resources and applications via the internet
with pay-as-you-go pricing

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Before AWS
Guessing theoretical maximum peaks?
 Is there enough resource capacity?
 Is this sufficient storage?

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With AWS
With AWS:
 Servers
 Databases
 Storage
 Higher-level applications

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With AWS
Resources can be:
 Initiated within seconds
 Treated as “temporary and disposable”
Free from the inflexibility and constraints

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Agility
3 factors:
Speed
Experimentation
Culture of innovation

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Agility: Increase Speed and Global Reach
Instant global reach
Rapid availability of new resources

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Agility: Increase Experimentation
AWS enables
 Operations as code
 Safe Experimentation
 Comparative testing

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Agility: Increase Innovation
Quick experimentation with low cost/risk
More experimentation and more often

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Agility: The AWS Infrastructure
Instant elasticity
Scalability
Flexible
Reliability
Secure

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AWS Global Infrastructure
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Regions and Availability Zones
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Region & Number of AZs
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AWS Region Table

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Availability Zones
Physically
distinct
Own
uninterruptible
power supply
Backup generators
Cooling
equipment
Networking
connectivity
Region

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Availability Zones
Isolating Availability Zones
Protects zones from failure
Designed for high availability
Handles requests through other zones
Best practice: Implement multiple Availability Zones

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High Availability
High availability:
 Functional and accessible
systems
 Minimized downtime
 No human intervention

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Fault Tolerance
Fault Tolerance:
 Operational applications during component failure
 Built-in redundancy of components

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Edge Locations
Edge Locations
Multiple Edge Locations
Regional Edge Caches

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Edge Locations
Amazon CloudFront
Amazon Route 53
AWS Shield
AWS Web Application Firewall
Lambda@Edge Computing

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Reliability
High-performing and reliable solutions
Achieve greater flexibility/capacity
Reliability:
 Recover from failures
 Resources that demand and mitigate disruptions
Must have well-planned foundation
 Reduce uncertainty of forecasting
 Detect failure and automatically heal itself
Unmatched by on-premise solutions

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Elasticity, Scalability, and High Performance
AWS
Elastic infrastructure
Innovative new services/products
Deployment in multiple regions
 Lower latency
 Better customer experience

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Elasticity, Scalability, and High Performance
Customer
Use services at your own pace
Use tools to meet your needs
Adapt your consumption
 Scale up as workload grows
 Shutdown unneeded resources
 Use Auto Scaling

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Knowledge Check
Which of the following are advantages of AWS cloud security?
(Choose 2)
AWS retains complete control and ownership of your data region
AWS uses single-factor access control systems
You retain complete control and ownership of your data region
AWS uses multi-factor access control systems
AWS infrastructure security auditing is periodic and manual

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Knowledge Check
Which of the following AWS tools help your application scale up
or down based on demand? (Choose 2)
Auto Availability Zones
Auto Scaling
AWS CloudFormation
Elastic Load Balancing
Agile Load Balancing

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Knowledge Check
What is the number one reason customers are switching to
cloud computing because it helps them increase global reach,
experimentation, and innovation?
Instant configuration
Finite infrastructure
Agility
Automation
Overprovisioning

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Knowledge Check
Which of the following are NOT benefits of AWS cloud
computing? (Choose 2)
Multiple procurement cycles
High availability
High latency
Temporary and disposable resources
Fault tolerant databases

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Knowledge Check
What is the pricing model that allows AWS customers to pay for
resources on an as needed basis?
Pay as you use
Pay as you go
Pay as you buy
Pay as you reserve
Pay as you own

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Knowledge Check
What is true about Regions? (Choose 2)
Each region is located in a separate geographic area
All regions are located in one specific geographic area
Physical location with multiple Availability Zones
Physical location of your customers
Resources are replicated across all regions by default

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Knowledge Check
Which of the following is NOT an advantage of cloud computing
over on-premises computing?
Pay for racking, stacking and powering servers
Increase speed and agility
Benefit from massive economies of scale
Eliminate guessing on your infrastructure capacity needs
Trade capital expense for variable expense

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