IT Management & Cyber Security

Overview of an Amazon Virtual Private Cloud Virtual service provides the networking layer of EC2. A VPC is a virtual network that can contain EC2 instances as well as  network   resources for other AWS services. By default, every VPC is isolated from all other networks. You can, however, connect your VPC to other networks, including the Internet and other VPCs. In addition to EC2, VPCs are foundational to many  AWS services , so understanding how they work is fundamental to your success on the exam and as an AWS architect. Don’t assume you can ignore VPCs just because you’re not using EC2. A VPC can exist only within an AWS region. When you create a VPC in a region, it won’t show up in any other regions. You can have multiple VPCs in your account and create multiple VPCs in a single region. To keep things simple, I’ll start by assuming only one VPC in one region. Later, I’ll cover considerations for multiple VPCs. If you’re familiar with the components of a traditi...