Summary
In this chapter, we learned about how the AWS infrastructure is organized into regions and availability zones and how a VPC gives you an area of AWS infrastructure that is yours to control and configure. We also learned about the different components of a VPC, such as subnets, gateways, and route tables, and we finished by creating VPCs using the AWS Console and awscli.
VPCs are the starting point for any deployments you make within AWS and knowing how they work is critical to be able to successfully deploy, configure, and maintain databases on AWS. Also, during the AWS Certified Database – Specialty exam, your knowledge of VPCs will be tested with questions about troubleshooting access or security problems caused by placing a database into a public subnet.
In the next chapter, we will learn about AWS RDS, and the knowledge we've gained during this chapter about VPCs will be reused in the rest of this book.
