AWS Fundamentals Flashcards by Wyn Forster | Brainscape

Q

Public Service

A

“Public internet zone”

Access to PUBLIC AWS using INTERNET as transit

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Q

Private service

A

“AWS Private” Zone

VPCs are isolated unless configured otherwise

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Q

AWS Regions - Geographic Separation

A

Isolated Fault Domain

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Q

AWS Regions - Geopolitical Separation

A

Different governance

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Q

AWS Regions - Location control

A

Performance

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Q

Service Resilience

A

Globally resilient

Region resilient

AZ resilient

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Q

VPC basics

A

A VPC = virtual network inside AWS

VPC is w/in 1 account & 1 region

Private & Isolated unless you decide otherwise

Two types; default VPC & custom VPCs

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Q

Default VPC Facts

A

1 per region - can be removed & recreated

Default VPC cidr is always 172.31.0.0/16

/20 subnet in each AZ in the region

Internet gateway (IGW), Security group (SG) & NACL

Subnets assign public IPv4 addresses

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