VPC (Virtual Private Cloud)

A VPC is an isolated virtual network in the cloud for your resources.

Updated: 2026-03-05

Definition

A VPC is a logically isolated network where you define subnets, routing, and network security controls for cloud resources.

It’s the base layer for deploying private workloads with controlled connectivity.

Key points

Subnets + route tables + security controls
Connectivity via internet gateways/VPN/peering
Design affects security and availability

Common mistakes

Putting everything in one subnet (hard to secure/scale).
Misunderstanding inbound/outbound rules and routing.

Related exams

AWS Certified Solutions Architect – Associate (SAA-C03)

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