AWS Fundamentals Flashcards
(8 cards)
Public Service
“Public internet zone”
Access to PUBLIC AWS using INTERNET as transit
Private service
“AWS Private” Zone
VPCs are isolated unless configured otherwise
AWS Regions - Geographic Separation
Isolated Fault Domain
AWS Regions - Geopolitical Separation
Different governance
AWS Regions - Location control
Performance
Service Resilience
Globally resilient
Region resilient
AZ resilient
VPC basics
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
Default VPC Facts
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