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Amazon Web Services (AWS) · Module 5 of 10

Networking: VPC

Build private networks in AWS.

📖 Key ideas

  1. A VPC is your private network in a region.
  2. Subnets split a VPC: public (internet-facing) and private.
  3. Internet Gateway gives public subnets internet access.
  4. NAT Gateway lets private subnets reach the internet outbound only.
  5. Route tables and NACLs control traffic.
💡 Real-life example: A VPC is a gated campus: public buildings face the road, private labs sit deep inside.
VPCVirtual Private Cloud
SubnetIP range segment within a VPC
Internet GatewayConnects VPC to internet
NAT GatewayOutbound internet for private subnets