Advanced VPC Networking
The AWS Certified Advanced Networking – Specialty (ANS-C01) exam focuses on advanced networking. This chapter will focus on the critical building blocks within a virtual private cloud (VPC) around network interfaces and public IP addresses, and then shift to focusing on building connectivity.
Within your AWS cloud environment, there may be several scenarios where you need to build interconnectivity between your VPCs. This could be as simple as two servers in separate VPCs needing to communicate directly, or hundreds of VPCs needing access to shared services hosted in another VPC.
In addition, your VPCs could need access to other AWS services such as S3 for storage. Lastly, testing whether this connectivity is correctly configured is a crucial point of verification. Understanding how VPCs communicate is important for the exam and real-world applications, as most cloud deployments involve multiple VPCs and services.